POLARIS TRAIL BOSS User Manual

GENERAL INFORMATION
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Model Identification 1.2.......................
Serial Number Location 1.2...................
Replacement Keys 1.3.......................
Machine Dimensions 1.3.....................
Publication Numbers 1.3.....................
Paint Codes 1.3.............................
Specifications - Trail Boss 330 1.4--1.5.............
Specifications - Trail Blazer 330 1.6--1.7............
Specs
Standard Torque Specifications 1.9............
Tap / Drill Charts 1.10.........................
Decimal Equivalent Chart 1.10.................
Unit of Measure Conversion Table 1.11..........
Glossary of Terms 1.12........................
1.1
GENERAL INFORMATION
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MODEL IDENTIFICATION
The machine model number must be used with any correspondence regarding warranty or service.
Machine Model Number Identification
A09CA32AA
Emissions &
Year Designation
Basic Chassis Designation Engine Designation
Model Option
ENGINE DESIGNATION NUMBERS
ES32PFE Single, Air Cooled, SOHC 4 Stroke, Electric Start..................
VIN IDENTIFICATION
World Mfg. ID
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 4XAAA
Vehicle Descriptor
32A*9P0 00000
Vehicle Identifier
Body Style
Powertrain
Emissions
Engine
Check Digit
Model Year
Plant No.
Individual Serial No.
* This could be either a number or a letter
ENGINE SERIAL NUMBER LOCATION
Whenever corresponding about an engine, be sure to refer to the engine model number and serial number. This information can be found on the sticker applied to the recoil housing on the right side of engine.(A) An additional number is stamped on the center top of crankcase beneath the cylinder coolant elbow.
UNIT MODEL NUMBER AND SERIAL NUMBER LOCATION
Themachinemodelnumber andserialnumberare important for vehicle identification. The machine serial number is stamped on the lower left side of the frame tube.(B)
A
Front
B
TRANSMISSION I.D. NUMBER LOCA
TION
The transmission I.D. number is located on top of the transmission, right side of machine.
1.2
PUBLICATION NUMBERS
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GENERAL INFORMATION
Year Model Model No. Owner’s
Manual PN
2009 Trail Boss 330 A09CA32AA 9921784 9921774 2009 Trail Blazer 330 A09BA32AA 9921773 9921787
NOTE: When ordering service parts be sure to use the correct parts manual. NOTE: Some manuals can be found at the Polaris website: www.polarisindustries.com or purchased from
www.purepolaris.com.
Parts
Manual PN
PAINT CODES
FRAME COLOR - P067 Medium Gloss Black 9440 / 8520147.
REPLACEMENT KEYS
Replacement keys can be made from the original key. To identify which series the key is, take the first two digits on the original key and refer to the chart to the right for the proper part number.
Shouldbothkeysbecomelost, ignition switch replacement is required.
Series # Part Number
20 4010278
31XX
KEY COVER
P/N 5433534
Key Series Number
21 4010278 22 4010321 23 4010321 27 4010321 28 4010321 31 4110141 32 4110148 67 4010278 68 4010278
1.3
GENERAL INFORMATION
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MODEL: 2009 TRAILBOSS 330..........
MODEL NUMBER: A09CA32AA. ENGINE MODEL: ES32PFE..
Category
Length 75 in./191 cm Width 46 in./117 cm Height 46 in./117 cm Wheel Base 49.5 in./125.73 cm Ground Clearance 5.5./13.97 cm Dry Weight 505 lbs./230 kg Gross Vehicle Weight 845 lbs./383 kg
Front Rack Capacity Rear Rack Capacity Towing Capacity Hitch TongueWeight Body Style
Dimension
75 lbs./34 kg
125 lbs./57 kg
850 lbs./385 kg
85 lbs./14 kg
Gen IV
1.4
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MODEL: 2009 TRAILBOSS 330..........
MODEL NUMBER: A09CA32AA. ENGINE MODEL: ES32PFE..
Engine
Platform Fuji 4 stroke, Single Cylinder Engine Model Number EH32PFE Engine Displacement 329cc Number of Cylinders 1 Bore & Stroke (mm) 78.5 x 68 mm CompressionRatio 9.2:1 Compression Pressure 70--90 psi Engine Idle Speed 1300 ± 100 Rpm Cooling System/Capacity Oil/ Air w/ fan assist
1.9qts./1.8 ltr Overheat Warning HOT Light on Panel Lubrication Wet Sump Oil Requirements Polaris 2W--50 Exhaust System USFS Approved
Carburetion
Carburetor model Mikuni BST 34mm Main Jet 122.5 Pilot Jet 42.5 Jet Needle 4HB48--3 Needle Jet P--4 (829) Pilot Screw 2 Turns Out
(Initial starting point, may vary
for each ATV) Pilot Air Jet 160 Float Height 13 ± 1 mm (0.51 ± 0.40“) Fuel Delivery Fuel Pump Fuel Capacity / Requirement 3.25 gal. (12.3 L)
87 Octane (minimum)
89 Oxygenated
Electrical
Alternator Output 200 w @ 5000 RPM Voltage Regulator 3--Phase Lights : High Beam 2x30 watts
Low Beam 2x30 watts Brake 26.9 watts
Tail 8.26 watts Ignition System DC/CDI Ignition Ignition Timing 30°±2° BTDC @ 5000 RPM Spark plug / Gap NGK BKR6E/ .036 in./0.9mm Battery / Model / Amp Hr Maintenance--Free -- 14 Amp Hr Circuit Breakers Harness 20 amp Starting Electric / Recoil Backup Indicator Panel Standard
Drivetrain
Transmission Type Inline H/N/R Transmission Capacity 11.3 oz. (335 ml) Gear Ratio : High
Rev. Final
Chain Type 520 O--Ring Clutch Type PVT Non EBS Belt 3211077
2.68/1
3.05/1
11/40 78P
Steering / Suspension
Front Suspension / Shock A--arm / MacPherson Strut Front Travel 8.2 in. / 20.83 cm Rear Suspension
Style / Shock Rear Travel 10.5 in. / 26.67 cm Ground Clearance 5.5in. / 13.97 cm Shock Preload Adjustment
Front / Rear Turning Radius 83in./211cm Toe Out 1/8 -- 1/4 in / 3 -- 6.35 mm
Progressive Rate Swingarm /
Twin Tube Gas Charged
Front -- n/a
Rear -- Cam
Wheels / Brakes
Wheel Size -- Front / Pattern 23 x 7 -- 10 / 4--156 Wheel Size -- Rear / Pattern 22 x 11 -- 10 / 4--102 Air Press. F/R Tires 4 psi Front / 3 psi Rear Brake -- Front Dual Hydraulic Disc Brake -- Rear Single Hydraulic Disc Brake Fluid Polaris DOT 4 Brake Fluid
JETTING CHART
Altitude
Meters
(Feet)
0--1800
(0--6000)
above 1800
(above 6000)
AMBIENT TEMPERATURE
Below 40°F
Below 5°C
127.5 122.5
120
+40°Fto+80°F
+5°Cto+28°C
115
CLUTCH CHART
Driven
Helix
(5131446)
(5131446)
Meters
(Feet)
Altitude
0--1800
(0--6000)
1800--3700
(6000--12000)
Shift
Weight 10 RH
(5630709)
20--40
(5631356)
Drive
Spring
Blu/Grn
(7041157)
Blu/Grn
Driven Spring
Black
(7041782)
Black
(7041782)(7041157)
45°
2--2
45°
2--2
1.5
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MODEL: 2009 TRAILBLAZER 330..........
MODEL NUMBER: A09BA32AA. ENGINE MODEL: ES32PFE..
Category
Length 75 in./191 cm Width 46 in./117 cm Height 46 in./117 cm Wheel Base 48 in./121.9 cm Ground Clearance 5.5./13.97 cm Dry Weight 488 lbs./221 kg Gross Vehicle Weight 830 lbs./377 kg
Front Rack Capacity (Accessory)
Rear Rack Capacity (Accessory)
Towing Capacity Hitch TongueWeight
(Accessory) Body Style
Dimension
30 lbs./13.6 kg
60 lbs./27.2 kg
850 lbs./385 kg
85 lbs./14 kg
Gen III
1.6
MODEL: 2009 TRAILBLAZER 330..........
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MODEL NUMBER: A09BA32AA. ENGINE MODEL: ES32PFE..
Engine
Platform Fuji 4 stroke, Single Cylinder Engine Model Number ES32PFE Engine Displacement 329cc Number of Cylinders 1 Bore & Stroke (mm) 78.5 x 68 mm CompressionRatio 9.2:1 Compression Pressure 70--90 psi Engine Idle Speed 1300 ± 100 Rpm Cooling System/Capacity Oil/ Air w/ fan assist
1.9qts./1.8 ltr Overheat Warning HOT Light on Panel Lubrication Wet Sump Oil Requirements Polaris 2W--50 Exhaust System USFS Approved
Carburetion
Carburetor model Mikuni BST 34mm Main Jet 122.5 Pilot Jet 42.5 Jet Needle 4HB48--3 Needle Jet P--4 (829) Pilot Screw 2 Turns Out
(Initial starting point, may vary
for each ATV) Pilot Air Jet 160 Float Height 13 ± 1 mm (0.51 ± 0.40“) Fuel Delivery Fuel Pump Fuel Capacity / Requirement 3.25 gal. (12.3 L)
87 Octane (minimum)
89 Oxygenated
Electrical
Alternator Output 200 w @ 5000 RPM Voltage Regulator 3--Phase Lights : Head 55 watts
Brake 26.9 watts
Tail 8.26 watts Ignition System DC/CDI Ignition Ignition Timing 30°±2° BTDC @ 5000 RPM Spark plug / Gap NGK BKR6E/ .036 in./0.9mm Battery / Model / Amp Hr Maintenance--Free -- 14 Amp Hr Circuit Breakers Harness 20 amp Starting Electric / Recoil Backup Indicator Panel Standard
GENERAL INFORMATION
Drivetrain
Transmission Type Inline H/N/R Transmission Capacity 11.3 oz. (335 ml) Gear Ratio : High
Rev. Final
Chain Type 520 O--Ring Clutch Type PVT Non EBS Belt 3211077
Steering / Suspension
Front Suspension / Shock A--arm / MacPherson Strut Front Travel 8.2 in. / 20.83 cm Rear Suspension
Style / Shock Rear Travel 10.5 in. / 26.67 cm Ground Clearance 5.5in. / 13.97 cm Shock Preload Adjustment
Front / Rear Turning Radius 83in./211cm Toe Out 1/8 -- 1/4 in / 3 -- 6.35 mm
Progressive Rate Swingarm /
Twin Tube Gas Charged
Wheels / Brakes
Wheel Size -- Front / Pattern 23 x 7 -- 10 / 4--156 Wheel Size -- Rear / Pattern 22 x 11 -- 10 / 4--102 Air Press. F/R Tires 4 psi Front / 3 psi Rear Brake -- Front Dual Hydraulic Disc Brake -- Rear Single Hydraulic Disc Brake Fluid Polaris DOT 4 Brake Fluid
JETTING CHART
Altitude
Meters
(Feet)
0--1800
(0--6000)
above 1800
(above 6000)
AMBIENT TEMPERATURE
Below 40°F
Below 5°C
127.5 122.5
120
CLUTCH CHART
Shift
Weight 10 RH
(5630709)
20--40
(5631356)
Blu/Grn
Blu/Grn
Meters
(Feet)
Altitude
0--1800
(0--6000)
1800--3700
(6000--12000)
Drive
Spring
(7041157)
2.68/1
3.05/1
11/40 78P
Front -- n/a
Rear -- Cam
+40°Fto+80°F
+5°Cto+28°C
Driven Spring
Black
(7041782)
Black
(7041782)(7041157)
115
Driven
Helix
(5131446)
(5131446)
45°
2--2
45°
2--2
1.7
GENERAL INFORMATION
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SPECIAL TOOLS
PART NUMBER TOOL DESCRIPTION CHAPTER TOOL USED IN
PA--44689 Valve Clutch Adjuster 2
2870872 Shock Spanner Wrench 2, 5
8712100DX or 8712500 Tachometer 2,10
2200634 Valve Seat Reconditioning Kit 3 2870390 Piston Support Block 3 2870159 FlywheelPuller 3 2871293 Slotted Nut Socket 3
PV--43527 OIl Filter Wrench 3
2872314 CarburetorFloat Adjustment Tool 4 2870975 Mity Vact Pressure Test Tool 4, 9 2870871 BallJoint Replacement Tool 5 2870623 Shock Absorber Spring Compression Tool 5 2871573 LH Strut Spring Compressor 5 2871574 RH Strut Spring Compressor 5 2870506 Clutch Puller 6 9314177 Clutch Holding Wrench 6 2871358 ClutchHolding Fixture 6 2870341 Drive Clutch Spider Removal and Install Tool 6 2870654 Clutch Offset Alignment Tool 6 2870913 Driven Clutch Puller 6 2870910 Roller Pin Tool 6 2871226 ClutchBushing Replacement Tool Kit 6 2870386 Piston Pin Puller 6 8700220 Clutch Compression Tool 6 2871710 10” Center Distance Tool 8
PV--43568 Fluket77 Digital Multimeter 10
2870630 Timing Light 10 2870836 Battery Hydrometer 10
8712100 or 8712500 Tachometer 10
NOTE: Polaris dealers can order the tools listed above through the SPX Service T ools catalog.
1.8
GENERAL INFORMATION
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STANDARD TORQUE SPECIFICATIONS
Thefollowing torquespecificationsare tobeused as a generalguideline. FOR SPECIFICTORQUE VALUESOF FASTENERS Refer to exploded views in the appropriate section. There are exceptions in the steering,
suspension, and engine sections.
Bolt Size Threads/In Grade 2 Grade 5 Grade 8
T orque in. lbs. (Nm)
#10 - 24 27 (3.1) 43 (5.0) 60 (6.9).............. ................ ..............
#10 - 32 31 (3.6) 49 (5.6) 68 (7.8).............. ................ ..............
T o rque ft. lbs. (Nm)*
1/4 - 20 5 (7) 8 (11) 12 (16).............. .................. ................
1/4 - 28 6 (8) 10 (14) 14 (19).............. .................. ..............
5/16 - 18 11 (15) 17 (23) 25 (35).............. ................ ..............
5/16 - 24 12 (16) 19 (26) 29 (40).............. ................ ..............
3/8 - 16 20 (27) 30 (40) 45 (62).............. ................ ..............
3/8 - 24 23 (32) 35 (48) 50 (69).............. ................ ..............
7/16 - 14 30 (40) 50 (69) 70 (97).............. ................ ..............
7/16 - 20 35 (48) 55 (76) 80 (110).............. ................ ..............
1/2 - 13 50 (69) 75 (104) 110 (152).............. ................ .............
1/2 - 20 55 (76) 90 (124) 120 (166).............. ................ .............
Metric / Torque
6 x 1.0 72-78 In. lbs. 8 x 1.25 14-18ft. lbs. 10 x 1.25 26-30 ft. lbs..... ......
1.9
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SAE TAP DRILL SIZES
Thread Size/Drill Size Thread Size/Drill Size
#0-80 3/64 #1-64 53 #1-72 53 #2-56 51 #2-64 50 #3-48 5/64 #3-56 45 #4-40 43 #4-48 42 #5-40 38 #5-44 37 #6-32 36 #6-40 33 #8-32 29 #8-36 29 #10-24 24 #10-32 21 #12-24 17 #12-28 4.6mm 1/4-20 7 1/4-28 3 5/16-18 F 5/16-24 I 3/8-16 O 3/8-24 Q 7/16-14 U 7/16-20 25/64
1/2-13 27/64 1/2-20 29/64 9/16-12 31/64 9/16-18 33/64 5/8-11 17/32 5/8-18 37/64 3/4-10 21/32 3/4-16 1 1/16 7/8-9 49/64 7/8-14 13/16 1-8 7/8 1-12 59/64 1 1/8-7 63/64 1 1/8-12 1 3/64 11/4-7 17/64 1 1/4-12 1 11/64 11/2-6 111/32 1 1/2-12 1 27/64 13/4-5 19/16 1 3/4-12 1 43/64 2-4 1/2 1 25/32 2-12 1 59/64 2 1/4-4 1/2 2 1/32 21/2-4 21/4 23/4-4 21/2 3-4 2 3/4
METRIC TAP DRILL SIZES
Tap Size Drill Size Decimal
Equiva-
lent
3x.50 3x.60 4x.70 4x.75 5x.80 5x.90 6 x 1.00 7 x 1.00 8 x 1.00 8 x 1.25 9 x 1.00 9 x 1.25 10 x 1.25 10 x 1.50 11 x 1.50 12 x 1.50 12 x 1.75
#39 3/32 #30 1/8 #19 #20 #9 16/64 J 17/64 5/16 5/16 11/32 R 3/8 13/32 13/32
0.0995
0.0937
0.1285
0.125
0.166
0.161
0.196
0.234
0.277
0.265
0.3125
0.3125
0.3437
0.339
0.375
0.406
0.406
Nearest
Fraction
3/32 3/32 1/8 1/8 11/64 5/32 13/64 15/64 9/32 17/64 5/16 5/16 11/32 11/32 3/8 13/32 13/32
DECIMAL EQUIVALENTS
1/64 .0156................
1/32 .0312 1 mm = .0394........... ...
3/64 .0469................
1/16 .0625...........
5/64 .0781 2 mm = .0787................ ...
3/32 .0938...........
7/64 .1094 3 mm = .1181.............. ...
1/8. .1250...
9/64 .1406................
5/32 .1563 4 mm = .1575........... ...
11/64 .1719...............
3/16 .1875 5 mm = .1969........... ...
13/64 .2031...............
7/32 .2188...........
15/64 .2344 6 mm = .2362............... ...
1/4 .25....
17/64 .2656 7 mm = .2756............... ...
9/32 .2813...........
19/64 .2969...............
5/16 .3125 8 mm = .3150........... ...
21/64 .3281...............
11/32 .3438 9 mm = .3543.......... ...
23/64 .3594...............
3/8 .375....
25/64 .3906 10 mm = .3937............... ...
13/32 .4063.........
27/64 .4219 11 mm = .4331............... ...
7/16 .4375...........
29/64 .4531...............
15/32 .4688 12 mm = .4724......... ...
31/64 .4844...............
1/2 .5 13 mm = .5118.... ..............
33/64 .5156...............
17/32 .5313.........
35/64 .5469 14 mm = .5512............... ...
9/16 .5625...........
37/64 .5781 15 mm = .5906............... ...
19/32 .5938.........
39/64 .6094...............
5/8 .625 16 mm = .6299.... ............
41/64 .6406...............
21/32 .6563 17 mm = .6693......... ...
43/64 .6719..............
1/16 .6875..........
1
45/64 .7031 18 mm = .7087............... ...
23/32 .7188.........
47/64 .7344 19 mm = .7480............... ...
3/4 .75....
49/64 .7656...............
25/32 .7813 20 mm = .7874......... ...
51/64 .7969...............
13/16 .8125 21 mm = .8268......... ...
53/64 .8281...............
27/32 .8438.........
55/64 .8594 22 mm = .8661............... ...
7/8 .875....
57/64 .8906 23 mm = .9055............... ...
29/32 .9063.........
59/64 .9219..............
15/16 .9375 24 mm = .9449......... ...
61/64 .9531...............
31/32 .9688 25 mm = .9843......... ...
63/64 .9844...............
11.0.....
1.10
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CONVERSION TABLE
Unit of Measure Multiplied by Converts to
ft. lbs. x12 =in.lbs. in. lbs. x .0833 = ft. lbs. ft. lbs. x 1.356 =Nm in. lbs. x .0115 =kg-m Nm x .7376 = ft.lbs. kg-m x 7.233 = ft. lbs. kg-m x 86.796 =in.lbs. kg-m x10 =Nm in. x 25.4 =mm mm x .03937 =in. in. x2.54 =cm mile (mi.) x1.6 =km km x .6214 = mile (mi.) Ounces (oz) x 28.35 = Grams (g) Fluid Ounces (fl. oz.) x 29.57 = Cubic Centimeters (cc) Cubic Centimeters (cc) x .03381 = Fluid Ounces (fl. oz.) Grams (g) x 0.035 = Ounces (oz) lb. x .454 =kg kg x 2.2046 =lb. Cubic inches (cu in) x 16.387 = Cubic centimeters (cc) Cubic centimeters (cc) x 0.061 = Cubic inches (cu in) Imperial pints (Imp pt) x 0.568 = Liters (l) Liters (l) x1.76 = Imperial pints (Imp pt) Imperial quarts (Imp qt) x 1.137 = Liters (l) Liters (l) x0.88 = Imperial quarts (Imp qt) Imperial quarts (Imp qt) x 1.201 = US quarts (US qt) US quarts (US qt) x 0.833 = Imperial quarts (Imp qt) US quarts (US qt) x 0.946 = Liters (l) Liters (l) x 1.057 = US quarts (US qt) US gallons (US gal) x 3.785 =Liters (l) Liters (l) x 0.264 = US gallons (US gal) Pounds - force per square inch (psi) x 6.895 = Kilopascals (kPa) Kilopascals (kPa) x 0.145 = Pounds - force per square inch (psi) Kilopascals (kPa) x0.01 = Kilograms - force per square cm Kilograms - force per square cm x 98.1 = Kilopascals (kPa)
π (3.14) xR2x H (height) = Cylinder Volume
°Cto°F: 9 (°C + 40) ÷ 5-40=°F °Fto°C: 5 (°F + 40) ÷ 9-40=°C
1.11
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GLOSSARY OF TERMS
ABDC: After bottom dead center. ACV: Alternating current voltage. Alternator: Electrical generator producing voltage alternating current. ATDC: After top dead center. BBDC: Before bottom dead center. BDC: Bottom dead center. BTDC: Before top dead center. CC: Cubic centimeters. Center Distance: Distance between center of crankshaft and center of driven clutch shaft. Chain Pitch: Distance between chain link pins (No.35 = 3/8or1 cm). Polaris measures chainlength in number of pitches. CI: Cubic inches. Clutch Buttons: Plastic bushings which aid rotation of the movable sheave in the drive and driven clutch. ClutchOffset: Drive anddriven clutchesare offset sothatdrive beltwill staynearly straightas it movesalong the clutchface. Clutch Weights: Three levers in the driveclutch which relative to theirweight, profile and engine RPMcause thedrive
clutch to close and grip the drive belt. Crankshaft Run-Out: Run-out or “bend” of crankshaft measured with a dial indicator while crankshaft is supported between centers on V blocks or resting in crankcase. Measure at various points especially at PTO.
DCV: Direct current voltage. Dial Bore Gauge: A cylinder measuring instrument which uses a dial indicator. Good for showing taper and
out-of-round in the cylinder bore.
Electrical Open: Open circuit. An electrical circuit which isn’t complete. Electrical Short: Short circuit. Anelectrical circuit which is completed before the current reaches the intended load.
(i.e. a bare wire touching the chassis).
End Seals: Rubber seals at each end of the crankshaft. Engagement RPM: Engine RPM at which the drive clutch engages to make contact with the drive belt. ft.: Foot/feet. Foot Pound: Ft. lb. A force of one pound at the end of a lever one foot in length, applied in a rotational direction. g: Gram. Unit of weight in the metric system. gal.: Gallon. ID: Inside diameter. in.: Inch/inches. Inch Pound: In. lb. 12 in. lbs. = 1 ft. lb.
kg/cm2: Kilograms per square centimeter. kg-m: Kilogram meters. Kilogram/meter: A force of one kilogram at the end of a lever one meter in length, applied in a rotational direction. lorltr: Liter.
lbs/in2: Pounds per square inch. Left or Right Side: Always referred to based on normal operating position of the driver. m: Meter/meters. Mag: Magneto. Magnetic Induction: As a conductor (coil) is moved through a magnetic field, a voltage will be generated in the
windings. Mechanical energy is converted to electrical energy in the stator.
mi.: Mile/miles. mm: Millimeter. Unit of length in the metric system. 1mm = approximately .040″. Nm: Newton meters. OD: Outside diameter . Ohm: The unit of electrical resistance opposing current flow. oz.: Ounce/ounces. Piston Clearance: Total distance between piston and cylinder wall. psi.: Pounds per square inch. PTO: Power take off. PVT: Polaris Variable Transmission (Drive Clutch System) qt.: Quart/quarts. Regulator: Voltage regulator. Regulates battery charging system output at approx. 14.5 DCV as engine RPM increases. Reservoir T ank: Thefill tank in the liquid cooling system. Resistance: In the mechanical sense, friction or load. In the electrical sense, ohms, resulting in energy conversion to heat. RPM: Revolutions per minute. SeizedPiston: Gallingofthe sides ofa piston. Usuallythereis atransferofaluminumfromthepistonontothecylinderwall.
Possible causes: 1)improper lubrication; 2)excessive temperatures; 3) insufficient piston clearance; 4) stuck piston rings.
Stator Plate: The plate mounted under the flywheel supporting the battery charging coils. TDC: Top dead center. Piston’s most outward travel from crankshaft. Volt: The unit of measure for electrical pressure of electromotive force. Measured by a voltmeter in parallel with the circuit. Watt: Unit of electrical power. Watts = amperes x volts. WOT: Wide open throttle.
1.12
MAINTENANCE
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Periodic Maintenance Chart 2.2-2.5...............
Recommended Maintenance Products 2.6--2.7......
Pre-Ride Inspection 2.8......................
ATV Component Locations 2.9................
Lubricant and Maintenance Quick Reference 2.10-2.11
Transmission Lubrication 2.12..................
Lubrications/Grease Points 2.13................
Transmission Linkage Adjustment 2.13..........
Throttle Operation / Choke Adjustment 2.14......
Carburetor Adjustments 2.15-2.16...................
ETC Switch Adjustment 2.16--2.17...................
Fuel System 2.17-2.18.............................
Compression Test 2.18........................
Battery Maintenance 2.19......................
Ignition / Sparkplug 2.20.......................
Air Filter Service 2.20-2.21.........................
Air Box Sediment Tube Service 2.22............
Recoil Housing/PVT Drying 2.22................
Oil Level/Change/Filter 2.23-2.24....................
Valve Clearance 2.24-2.25.........................
Steering and Toe Alignment 2.25-2.27...............
Exhaust System Maintenance 2.28.............
Brake System Service 2.28-2.29....................
Drive Chain and Sprocket Service 2.29-2.32..........
Suspension Service / Controls 2.32-2.33.............
Wheel Removal / Installation 2.33--2.34...............
Tire Inspection 2.34...........................
2.1
MAINTENANCE
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PERIODIC MAINTENANCE CHART
Careful periodic maintenance will help keep your vehicle in the safest, most reliable condition. Inspection, adjustment and lubrication of important components are explained in the periodic maintenance chart.
Inspect, clean, lubricate, adjust and replace parts as necessary. When inspection reveals the need for replacement parts, use genuine Polaris parts available from your Polaris dealer.
NOTE: Service and adjustments are critical. If you’re not familiar with safe service and adjustment
procedures, have a qualified dealer perform these operations.
Maintenance intervals in the following chart are based upon average riding conditions and an average vehicle speedofapproximately10 milesperhour. Vehiclessubjectedto severeuse mustbe inspectedandservicedmore frequently.
Severe Use Definition
G Frequent immersion in mud, water or sand G Racing or race-style high RPM use G Prolonged low speed, heavy load operation G Extended idle G Short trip cold weather operation
Pay special attention to the oil level. A rise in oil level during cold weather can indicate contaminants collecting in the oil sump or crankcase. Change oil immediately if the oil level begins to rise. Monitor the oil level, and if it continues to rise, discontinue use and determine the cause or see your dealer.
Maintenance Chart Key
The following symbols denote potential items to be aware of during maintenance:
H= CAUTION: Due to the nature of these adjustments, it is recommended this service be performed
by an authorized Polaris dealer.
"= SEVERE USE ITEM ----If vehicle is subjected to severe use, decrease interval by 50%
(Severe Use is defined as frequent vehicle immersion in mud, water or sand, racing or race-style high rpm use, prolonged low speed - heavy load operation or extended idle. More preventative maintenance is required under these conditions. Fluid changes, cable, chain and chassis lubrication are required more frequently. For engine oil, short trip cold weather riding also constitutes severe use. Pay special attention to oil level. A rising oil level in cold weather can indicate contaminants collecting in the oil sump or crankcase. Change oil immediately and monitor level. If oil level begins to rise, discontinue use and determine cause.)
E= Emission Control System Service (California). NOTE: Inspection may reveal the need for replacement parts. Always use genuine Polaris parts.
WARNING: Improperly performing the procedures marked with a
to serious injury or death. Have an authorized Polaris dealer perform these services.
J could result in component failure and lead
2.2
MAINTENANCE AND LUBRICATION
j
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Periodic Maintenance Chart
MAINTENANCE
Item Maintenance Interval
(whichever comes first)
Hours Calendar Miles
(Km)
J
Steering
"
Front suspension
"
Rear suspension Tires
"
Brake fluid level
"
Brake lever travel Brake systems Drive Chain Wheels/fasteners Frame fasteners
"
Engine oil level
E
"
Air filter, pre-filter
E
"
Air box sediment
E
tube Coolant
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride Pre-Ride
Daily Daily
Daily
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Make adjustments as needed.
Inspect; clean often Drain deposits when visible
Check level daily, change coolant every 2 years
(if applicable) Headlamp/tail
lamp
"
Air filter,
E
main element Recoil housing
--
--
--
Daily Weekly Weekly
--
Check operation; apply dielectric grease if re­placing
--
--
Inspect; replace as needed Drain water as needed, check often if operating
in wet conditions
"
Brake pad wear 10 H Monthly 60 (100) Inspect periodically
J
Battery 20 H Monthly 125 (200) Check terminals; clean; test
"
Front gearcase oil
25 H Monthly 155 (250) Inspect level; change yearly
(if equipped)
"
Middle gearcase
25 H Monthly 155 (250) Inspect level; change yearly
oil (if equipped)
"
Rear gearcase oil
25 H Monthly 155 (250) Inspect level; change yearly
(if equipped)
"
Transmission oil 25 H Monthly 155 (250) Inspect level; change yearly
Remarks
" Perform these procedures more often for vehicles subjected to severe use. E Emission Control System Service (California) J Have an authorized Polaris dealer perform these services.
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MAINTENANCE AND LUBRICATION
Periodic Maintenance Chart
Item Maintenance Interval
Hours Calendar Miles
"
Engine breather
E
filter (if equipped)
"
Engine oil change
E
(break-in)
"
General lubrication
Shift Linkage 50 H 6M 310 (500) Inspect, lubricate, adjust
J
Steering 50 H 6M 310 (500) Lubricate
"
Front suspension 50 H 6M 310 (500) Lubricate
"
Rear suspension 50 H 6M 310 (500) Lubricate Carburetor float
bowl
J
Throttle Cable/
E
ETC Switch
J
Choke cable 50 H 6M 310 (500) Inspect; adjust; lubricate; replace if necessary
E E
Carburetor air intake ducts/ flange
Drive belt 50 H 6M 310 (500) Inspect; adjust; replace as needed Cooling system
(if applicable)
"
Engine oil change 100 H 6M 620
E
"
Oil filter change 100 H 6M 620
E
"
Oil tank vent hose 100 H 12 M 620
E
J
Valve clearance 100 H 12 M 620
E
25 H Monthly 155 (250) Inspect; replace if necessary 25 H 1M 155 (250) Perform a break-in oil change at one month 50 H 3M 310 (500) Lubricate all grease fittings, pivots, cables, etc.
50 H 6M 310 (500) Drain bowl periodically and prior to storage 50 H 6M 310 (500) Inspect; adjust; lubricate; replace if necessary
50 H 6M 310 (500) Inspect ducts for proper sealing/air leaks
50 H 6M 310 (500) Inspect coolant strength
(whichever comes first)
(Km)
(1000) (1000) (1000) (1000)
seasonally; pressure test system yearly
Perform a break-in oil change at 25 hours/one month
Replace with oil change Inspect routing, condition Inspect; adjust
Remarks
" Perform these procedures more often for vehicles subjected to severe use. E Emission Control System Service (California) J Have an authorized Polaris dealer perform these services.
2.4
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Periodic Maintenance Chart
MAINTENANCE
Item Maintenance Interval
Hours Calendar Miles
J
Fuel system 100 H 12 M 620
E
J
Fuel filter 100 H 12 M 620
E
"
Radiator (if applicable)
"
Cooling hoses (if applicable)
"
Engine mounts 100 H 12 M 620 Exhaust muffler/
pipe
J
Spark plug 100 H 12 M 620
E
J
Ignition Timing 100 H 12 M 620
E
"
Wiring 100 H 12 M 620
J
Clutches (drive and driven)
J
Front wheel bearings
J
Brake fluid 200 H 24 M 1240 Spark arrestor 300 H 36 M 1860
E
Idle speed
J
Toe adjustment
"
Auxiliary brake
J
Headlight aim
100 H 12 M 620 100 H 12 M 620
100 H 12 M 620
100 H 12 M 620 100 H 12 M 1000
(whichever comes first)
--
--
--
--
(Km)
(1000)
(1000) (1000) (1000) (1000) (1000) (1000) (1000) (1000)
(1000) (1600) (2000) (3000)
Remarks
Check for leaks at tank cap, lines, fuel valve, fil­ter, pump, carburetor; replace lines every two years
Replace yearly Inspect; clean external
surfaces Inspect for leaks
Inspect Inspect Inspect; replace as needed Inspect Inspect for wear, routing,
security; apply dielectric grease to connectors subjected to water, mud, etc.
Inspect; clean; replace worn parts Inspect; replace as needed Change every two years Clean out Adjust as needed
Inspect periodically; adjust when parts are re­placed
Inspect daily; adjust as needed Adjust as needed
" Perform these procedures more often for vehicles subjected to severe use. E Emission Control System Service (California) J Have an authorized Polaris dealer perform these services.
2.5
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POLARIS LUBES/FLUIDS FOR TRAILBOSS 330 MODELS
Pure Polaris Lubricants and Maintenance Kits can be purchased at your local Polaris dealer.
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POLARIS LUBRICANTS,MAINTENANCE AND SERVICE PRODUCTS
Part No. Description
Engine Lubricant
2870791 FoggingOil (12 oz. Aerosol) 2876244 Engine Oil (Quart)Premium 4 Synthetic
2W--50 (4--Cycle) (12 Count)
2876245 Engine Oil (Gallon) Premium 4 Synthetic
2W--50 (4--Cycle) (4 Count)
Gearcase / Transmission Lubricants
2873602 Premium Synthetic AGL Gearcase Lube
(12 oz. bottle)(12 Count)
2873603 Premium Synthetic AGL Gearcase Lube
(1 Gal.) (4 Count)
2876160 Premium ATV Angle Drive Fluid
(32 oz.) (12 Count)
2872276 Premium ATVAngle Drive Fluid
(2.5 Gal) (2 Count)
2870465 Oil Pump for 1 Gallon Jug 2871654 Premium Demand Drive Hub Fluid
(8 oz.) (12 Count)
Grease / Specialized Lubricants
2871322 Premium All Season Grease
(3 oz. cartridge)(24 Count)
2871423 Premium All Season Grease
(14 oz. cartridge)(10 Count)
2871460 StarterDrive Grease (12 Count) 2871515 Premium U-Joint Lube (3 oz.) (24 Count) 2871551 Premium U-Joint Lube (14 oz.) (10 Count) 2871312 Grease Gun Kit 2871329 DielectricGrease (Nyogelt)
Coolant
2871323 60/40 Coolant (Gallon) (6 Count) 2871534 60/40 Coolant (Quart) (12 Count)
Part No. Description
Additives / Sealants / Thread Locking Agents /
Misc.
2874275 Loctitet Primer N, Aerosol 2871956 Loctitet Thread Sealant 565
(50 ml.)(6 Count)
2871950 Loctitet Threadlock 242
(6 ml.)(12 Count)
2871951 Loctitet Threadlock 262
(50 ml.) (10 Count)
2871953 Loctitet Threadlock 271
(6 ml.)(12 Count)
2871326 Premium Carbon Clean
(12 oz.) (12 Count)
2870652 Fuel Stabilizer (16 oz.) (12 Count) 2871957 Black RTV Silicone Sealer
(3 oz. tube) (12 Count)
2871958 Black RTV Silicone Sealer
(11 oz. cartridge) (12 Count)
2872189 DOT 4 Brake Fluid (12 Count) 2871557 CrankcaseSealant, 3-Bond 1215 (5oz.)
NOTE: The number count indicated by each part
number in the table above indicates the number of units that are shipped with each order.
NOTE: Each item can be purchased separately at your local Polaris dealer.
POLARIS LUBRICANT SYMBOL IDENTIFICATON
AGL
Polaris DOT 4 Brake Fluid
Polaris Sythetic Gearcase Lube
AGL
U--Joint
Polaris U--Joint Lube
2W/50
Polaris Sythetic OW--40 Oil
DHF
Polaris Demand Drive Hub Fluid
Polaris All Season Grease
ADF
Polaris ATV Angle Drive Fluid
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PRE-RIDE / DAILY INSPECTION
Perform the following pre-ride inspection daily, and when servicing the vehicle at each scheduled maintenance.
G Tires - check condition and pressures G Fuel and oil tanks - fill both tanks to their proper level; Do not overfill oil tank G All brakes - check operation (includes auxiliary brake) G Throttle - check for free operation G Headlight/Taillight/Brakelight - check operation of all indicator lights and switches G Engine stop switch - check for proper function G Wheels - check for loose wheel nuts G Air cleaner element - check for dirt or water; clean or replace G Steering - check for free operation, noting any unusual looseness in any area
G Loose parts - visually inspect vehicle for any damaged or loose nuts, bolts or fasteners G Engine coolant - check for proper level at the recovery bottle
COLD WEATHER KITS FOR 4 STROKE ATVS
Engine Heater -- (PN 2871507)
ACCESSORY ENGINE HEATER
2.8
TRAIL BOSS 330 COMPONENT LOCATIONS
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Brake Fluid Reservoir
Brake Lever
Light Control & Run Switch
Fuel Valve
Front Rack
Reverse Override
Choke
Rear Axle & Drive Sprocket
MAINTENANCE
Display
Throttle
Ignition/Key
Headlights
Transmission
Engine Recoil
Right Side View
Oil Dipstick
Muffler
Auxiliary Brake
PVT Cover
Gear Shifter
Front Rack
Engine
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MAINTENANCE QUICK REFERENCE
Ill.
#
1 Engine Oil Polaris 2W--50
2 Transmission PolarisAGL Lu-
3 Brake Fluid Polaris DOT 3
4 DriveChain Polaris Chain
NOTE: Refer to Page 2.6 for the Polaris Lubricant Identification table.
Item Lube Rec. Method Frequency*
Add oil to proper level. Change after1st month, 6 months or 100
Synthetic
Add lube to FULL level on dip-
bricant
Brake Fluid
Lube or O-Ring chain lube
Dipstick
2W/50
stick. Fill master cylinder reservoir to in-
dicated level inside reservoir. See Page 2.29.
Apply to chain link plates and roll­ers.
hours thereafter; Change more often (25-50 hours) in extremely dirty conditions, or short trip cold weather operation.
Change annually ©
As required. Change fluid every 2 years.
As required*
Transmission Dipstick
AGL
Operating Range
Full
1. Engine Oil
Parking Brake Lock
3. Brake Fluid
2. Transmission
Reservoir
4. Rear Drive Chain
2.10
MAINTENANCE QUICK REFERENCE CONT’D
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MAINTENANCE
5. Ball Joint
8. Axle Housing
4. Front Wheel Bearings
6. Tie Rod Ends
7. Swingarm Pivots
NOTE: Refer to Page 2.6 for the Polaris Lubricant Identification table.
Ill.
#
4 FrontWheel Bear-
ings
5 Ball Joint Polaris All Season
6 Tie Rod Ends Polaris All Season
7 Swing Arm Bush-
ings
8 Rear Axle Housing Polaris All Season
* More often under severe use, such as operated in water or under severe loads.
¡ Semi-annually or 50 hours of operation (refer to Maintenance Schedule for additional information) © Annually or 100 hours of operation (refer to Maintenance Schedule for additional information) ¢ Grease conforming to NLGI No. 2, such as Polaris Premium All Season Grease, Conoco Superlube M or
Mobilegrease Special
Item Lube Rec. Method Frequency*
Sealed; Replace Inspect and replace bearings if necessary Annually ©
Grease¢
Grease¢ Polaris All Season
Grease¢
Grease¢
Locate grease fitting on back side of struts and grease with grease gun.
Lift boot. Clean away dirt and grease. Apply fresh grease by hand and reassemble.
Locate grease fitting on swing arm and grease with grease gun.
Locate grease fitting on eccentric and grease with grease gun.
Semi-annually
¡
Semi-annually
¡
Semi-annually
¡
Semi-annually
¡
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TRANSMISSION LUBRICATION
The transmission lubricant level should be checked and changed in accordance with the maintenance schedule.
G Be sure vehicle is level before
proceeding.
G Check vent hose to be sure it is
routed properly and unobstructed.
G Follow instructions on following
pages to check / change transmission lubricant.
TRANSMISSION SPECIFICATIONS
Specified Lubricant:
Polaris AGL Gearcase Lubricant:
(PN 2873603) (Gallon) (PN 2873602) (12 oz.)
Capacity: 11.3 oz. (335 ml) Drain Plug / Fill Plug T orque:
14 ft. lbs. (19.4 Nm)
Transmission
Dipstick
Full
Operating
Range
TRANSMISSION FLUID CHANGE/TORQUE ST
OP
ADJUSTMENT
1. Remove skid plate (if necessary).
2. Place a drain pan beneath the transmission oil drain plug area.
3. Loosen jam nut (A).
4. Turn adjuster bolt (B) in to allow the removal of drain plug.
5. Removethedrainplug andwipethe magneticend clean to remove accumulated metallic filings.
6. After the oil has drained completely, install a new sealing washer and install the drain plug. Torque to 14 ft. lbs. (19.3 Nm).
7. Turn adjuster bolt (B) out until it touches the frame, and then an additional 1/2 turn.
PVT Cover
B
To check the level:
1. Remove dipstick and wipe clean.
Forward
8. Tighten the jam nut securely while holding the adjuster bolt.
9. Addthe proper lubricant through the dipstick hole until the oil level is between the upper and lower
2. Reinstall dipstick completely, remove and check the level. Add the proper lubricant as required to bring level into operating range as shown.
limits. Do not overfill.
10. Check for leaks.
11.ReinstallskidplateifremovedinStep1.
A
Drain Plug
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LUBRICATION / GREASE POINTS
As shown on Page 2.8, there are only five grease zerks onthe TrailBoss,two front balljoints,two onthe swing are pivots, and one on the rear axle housing.
Swing Arm Pivot
Each Side
Ball Joint Zerk
Each Side
Ball Joint Zerk
TRANSMISSION GEARSHIFT LINKAGE
ADJUSTMENT/
INSPECTION
Linkage rod will rotate
1/8 -1/4 turn if rod ends
are tightened properly.
Parallel
Correctly Tightened
Jam Nut
G Ifshiftingproblems areencountered,
thetransmission linkagemayrequire adjustment.
G Visually check for contact of shift
lever to shifter opening in the front fender. Ensure shift linkage or shift lever is not contacting the frame or exhaust components.
G Tightenshiftlinkage rodendjam nuts
properly after adjustment. You should be able to rotate the linkage rod between 1/8 and 1/4 turn after both jam nuts are tight.
G The transmission shift linkage
should be periodically inspected for wear and parts replaced as required to remove excess play from shift linkage.
G Refer to Transmission chapter for
more information.
Incorrectly Tightened
Jam Nut
NOTE: Therod end must be held whentighteningthe jam nut to prevent damage to the rod end.
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SHIFT LINKAGE ADJUSTMENT
1. Inspect shift linkage tie rod ends, clevis and pivot bushings and replace if worn or damaged.
2. Place gear selector in neutral.
3. Loosen rod end adjuster jam nuts (A) on both ends of linkage rod. NOTE: The jam nut closest to the knurled end is Left Hand thread.
Jam Nuts (A)
Linkage Rod
Ill. 1
THROTTLE OPERATION - ALL MODELS
Check for smooth throttle opening and closing in all handlebar positions. Throttle lever operation should be smooth and lever must return freely without binding.
1. Place the gear selector in neutral.
2. Set parking brake.
3. Start the engine and let it idle.
4. Turn handlebars from full right to full left. If idle speed increases at any point inthe turningrange, inspect throttle cable routing and condition. If cable is routed properly and in good condition, repeat adjustment procedure.
5. Replace the throttle cable if worn, kinked, or damaged.
CHOKE (ENRICHER) ADJUSTMENT
4. Turn linkage rod (A) to shorten or lengthen rod until the shift lever is centered on hole in the fender.
A
5. Hold rod end parallel to mounting surface and tighten jam nuts securely.
Boot
If the choke knob does not stay out when pulled, adjust the choke tension by tightening the tensioner located under the rubber boot between the choke knob and nut. Firmly grasp the rubber boot and tighten until thechoke slides freely but stays out when pulled.
Verify free play of 1/16--3/16” (1.6--4.76 mm) and smooth operation of choke cable.
If smooth choke operation is not obtainable, inspect choke cable for kinks or sharp bends in routing.
2.14
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PILOT SCREW
Thepilotsystem suppliesfuelduringengine operation with the throttle valve closed or slightly opened. The fuel/air mixture is metered by pilot screw and discharged into the main bore through the pilot outlet.
CAUTION:
The pilotscrew is calibratedatthe factoryto meetEPA/ CARB regulationsfor air qualitystandards and is sealed with a brass plug to prevent tampering. Removal of the tamper proof plug is not permitted. For service purposes, cleaning of the pilot circuitcan be done only by a certifiedrepairshop to ensure air quality standards are not exceeded.
Pilot Screw location
PILOT SCREW ADJUSTMENT
FRONT (Engine)
Pilot Screw
View -- Right Cover Panel Removed
Pilot Screw
1. Start engine and warm it up to operating temperature (about 10 minutes).
Brass Plug Installed
Brass Plug Removed
2. Turnpilot screw in (clockwise) until lightly seated. Turn screw out the specified number of turns. NOTE: Do not tighten the pilot screw forcefully against the seat or the screw and/or seat will be permanently damaged.
The pilot screw is set at the factory. Each carburetor will have a slightly dif­ferent pilot screw setting, the adjust­ments below are the recommended set­tings, the settings may differ from these recommendations.
Pilot Screw Adjustment: Trailboss 330 -- 2 Turns Out
3. Connect an accurate tachometer that will read in increments of + or -- 50 RPM such as the PET 2100DX (PN 8712100DX) or the PET 2500 (PN
8712500).
4. Set idle speed to 1200 RPM. Always check throttle cable freeplay after adjusting idle speed and adjust if necessary.
5. Slowly turn mixture screw clockwise using the pilot screw wrench until engine begins to miss.
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6. Slowly turn mixture screw counterclockwise until idle speed increases to maximum RPM. Continue turning counterclockwise until idle RPM begins to drop.
7. Center the pilot screw between thepoints in Step 5 and 6.
8. Re adjust idle speed if not within specification.
IDLE SPEED ADJUSTMENT
1. Start engine and warm it up thoroughly.
CV Carburetor
Idle Screw
confirm adjustment.
Boot
Adjuster
Sleeve
Direction
of travel
3. Tighten locknut and slide boots over cable adjuster until they touch at the middle point of the adjuster.
4. Withengine running, turn the handlebars fromfull left to full right with transmission in neutral. Engine RPM should not change and the engine should not die. If either of these occur, return to the first step.
Lock-
nut
1/16-1/8
Freeplay
Boot
THROTTLE OPERATION
To remove the ETC cover:
Idle Speed:
1300 ± 100 RPM
2. Adjust idle speed by turning the idle adjustment screw in (clockwise) to increase or out (counterclockwise) to decrease RPM. (Refer to Ill. at right).
NOTE: Adjusting theidle speed affects throttle cable freeplay and electronic throttle control (ETC) adjustment. Always check throttle cable freeplay after adjusting idle speed and adjust if necessary.
ELECTRONIC THROTTLE CONTROL (ETC THROTTLE
CABLE
SWITCH)/
ADJUSTMENT
1. Slide the boots off inline cable adjuster sleeve.
Loosen adjuster locknut.
2. With handlebars centered and wheels pointing
forward, turn adjuster sleeve until 1/16-1/8 freeplay is achieved at the thumb lever. After making any adjustment, “flip” the lever slightly to
1. Use a medium flat blade screwdriver and insert blade into the pockets of the cover starting on the #1 position.
3
6
5
2. Twistscrewdriver slightly while lifting onthecover to release snap.
3. Repeat procedure at the other five locations as shown. NOTE: Do not attempt to remove cover until all latch points are released.
Check for smooth throttle opening and closing in all handlebar positions. Throttle lever operation should be smooth and lever must return freely without binding. Replace the throttle cable if worn, kinked, or
2
1
4
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damaged.
NOTE: When replacing the cover, check for correct placement of cover O-ring.
FUEL SYSTEM
WARNING
Gasoline is extremely flammable and explosive under certain conditions.
FUEL LINES
Fuel Lines
Fuel Pump
Pulse Line
Ill.1
1. Check fuel lines for signs of wear, deterioration, damage or leakage. Replace if necessary.
2. Besurefuel linesare routed properly andsecured with cable ties. CAUTION: Make sure lines are not kinked or pinched.
3. Replace all fuel lines every two years.
G Always stop the engine and refuel
outdoors or in a well ventilated area.
G Do not smoke or allow open flames
or sparks in or near the area where refueling is performed or where gasoline is stored.
G Donot overfill the tank. Donot fill the
tank neck.
G If you get gasoline in your eyes or if
you swallow gasoline, seek medical attention immediately.
G If you spill gasoline on your skin or
clothing, immediately wash it off with soapand water and change clothing.
G Never start the engine or let it run in
an enclosed area. Engine exhaust fumes are poisonous and can result loss of consciousness or death in a short time.
G Never drain the float bowl when the
engine is hot. Severe burns may result.
VENT LINES
1. Check fuel tank, oil tank, carburetor, battery and transmission vent lines for signs of wear, deterioration, damage or leakage. Replace every two years.
2. Be sure vent lines are routed properly and secured with cable ties. CAUTION: Make sure lines are not kinked or pinched.
FUEL FILTER
The fuel filter should be replaced in accordance with the Periodic Maintenance Chart. The fuel filter is located between the fuel pump and carburetor.
1. Shut off fuel supply at fuel valve.
2. Remove line clamps at both ends of the filter.
3. Remove fuel lines from filter.
4. Install new filter and clamps onto fuel lines with arrow pointed in direction of fuel flow.
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Arrow Indicates Direction
of Flow
RES
OFF
To Carburetor
ON
Fuel Valve
5. Install clamps on fuel line.
6. Turn fuel valve ON.
7. Start engine and inspect for leaks.
CARBURETOR DRAINING
The carburetor float bowl should be drained periodically to remove moisture or sediment from the bowl, or before extended periods of storage.
Drain tube
attached
here
Drain Screw
NOTE: Thebowl drain screwis located onthebottom left side of the float bowl.
1. Turn fuel valve to the off position.
2. Place a clean container beneath the bowl drain spigot or bowl drain hose.
3. Turn drain screw out two turns and allow fuel in the float bowl and fuel line to drain completely.
4. Inspect the drained fuel for water or sediment.
5. Tighten drain screw.
6. Turnfuelvalveto“ON”.
7. Start machine and check for leaks.
NOTE: If there is a tube attached, it must be reattached as this will effect engine performance.
COMPRESSION TEST
NOTE: This Polaris 4-Strokeengine is equipped with
an automatic decompressor. Compression readings will vary in proportion to cranking speed during the test. Average compression (measured) is about
70--90 psi
Smooth idle generally indicates good compression. Low engine compression is rarely a factor in running condition problems above idle speed. Abnormally high compression can be caused by a decompressor malfunction, or worn or damaged exhaust cam lobes. Inspect camshaft and automatic decompression mechanism if compression is abnormally high.
A cylinder leakage test isthe best indication ofengine condition on models with automatic decompression. Follow tester manufacturer’s instructions to perform a cylinder leakage test. (Never use high pressure leakagetesters ascrankshaft seals may dislodgeand leak).
during a compression test.
Cylinder Compression
Standard 70--90 PSI
Cylinder Leakage
Service Limit: 10 %
(Inspect for cause if leakage exceeds 10%)
2.18
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