Kymco MO BW250 Service Manual - chap 03 (manutenzione)

3. INSPECTION/ADJUSTMENT

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INSPECTION/ADJUSTMENT

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SERVICE INFORMATION -------------------------------------------- 3- 1 MAINTENANCE SCHEDULE ---------------------------------------- 3- 2 FUEL LINE/FUEL FILTER ------------------------------------------- 3- 3 THROTTLE OPERATION --------------------------------------------- 3- 3 ENGINE OIL ------------------------------------------------------------ 3- 4 AIR CLEANER ---------------------------------------------------------- 3- 5 SPARK PLUG ----------------------------------------------------------- 3- 5 VALVE CLEARANCE ------------------------------------------------- 3- 6 CARBURETOR IDLE SPEED ----------------------------------------- 3- 6 CYLINDER COMPRESSION ------------------------------------------ 3- 7 FINAL REDUCTION GEAR OIL ------------------------------------- 3- 8 DRIVE BELT ------------------------------------------------------------ 3- 8 HEADLIGHT AIM ------------------------------------------------------ 3- 9 CLUTCH SHOE WEAR ------------------------------------------------ 3- 9 COOLING SYSTEM ---------------------------------------------------- 3- 9 BRAKE SYSTEM ------------------------------------------------------- 3-10 NUTS/BOLTS/FASTENERS------------------------------------------- 3-11 WHEELS/TIRES -------------------------------------------------------- 3-11 STEERING HANDLEBAR--------------------------------------------- 3-11 SUSPENSION ----------------------------------------------------------- 3-11

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SERVICE INFORMATION

GENERAL

ð WARNING

•Before running the engine, make sure that the working area is well ventilated.

Never run the engine in a closed area. The exhaust contains poisonous carbon monoxide gas, which may cause death to people.

•Gasoline is extremely flammable and is explosive under some conditions. The

working area must be well ventilated and do not smoke or allow flames or sparks near the working area or fuel storage area.

SPECIFICATIONS

ENGINE Throttle grip free play : 2_ 6mm Spark plug : NGK: DPR7EA9 Spark plug gap : 0.9mm Valve clearance : IN: 0.1mm EX: 0.1mm

Idle speed : 1450±50rpm

Engine oil capacity: Cylinder compression : 16.5±2kg/cm_ At disassembly : 1.1 liter Ignition timing : repeatedly At change : 0.9 liter Coolant capacity : 1165cc Gear oil capacity : Radiator capacity : 825cc At disassembly : 0.20 liter Reserve tank capacity : 340cc At change : 0.18 liter

TIRE

1 Rider

2 Riders

Front

1.75kg/cm_

Rear

2.00kg/cm_

2.25kg/cm_

TIRE SPECIFICATION: Front : 120/70-12 58P Rear : 140/70-12 65P

TORQUE VALUES

Front axle nut : 14.8_ 68.6N-m Rear axle nut : 107.8_ 127.4N-m

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MAINTENANCE SCHEDULE

Perform the periodic maintenance at each scheduled maintenance period. I: Inspect, and Clean, Adjust, Lubricate or Replace if necessary. A: Adjust C: Clean R: Replace T: Tighten

Regular Service Mileage (km)

Frequency

Item

comes first

!

Ú

1000

2000

4000

6000

8000

10000

Engine oil

R

New

motorcycle

300km

RRRRR

Engine oil filter screen

C

Fuel filter screen

R

Gear oil

Note 3

R

New

motorcycle

300km

R

Valve clearance

AAA

Carburetor

I

Air Cleaner

Note 2,3

IRR

Spark plug

Clean at every 3000km and replace if necessary

Brake system

IIIII

I

Drive belt

I

Suspension

I

Nut, bolt, fastener

I

TireII

Steering head bearing

III

Brake fluid

Perform pre-ride inspection daily

Radiator coolant

Replace every year or at every 10000km (R)

Radiator core

I

Radiator cap

I

Brake leverII

Brake shoe wear

I

Shock absorber

I

• In the interest of safety, we recommend these items be serviced only by an authorized

KYMCO motorcycle dealer.

Note: 1. For higher odometer readings, repeat at the frequency interval established here.

2. Service more frequently when riding in dusty or rainy areas.

3. Service more frequently when riding in rain or at full throttle.

Whichever

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FUEL LINE/FUEL FILTER

Remove the center cover. Check the fuel lines and replace any parts, which show signs of deterioration, damage or leakage. Check for dirty or clogged fuel filter and replace with a new one if it is clogged.

THROTTLE OPERATION

Check the throttle grip for smooth movement. Measure the throttle grip free play.

Free Play: 2_ 6mm

Major adjustment of the throttle grip free play is made with the adjusting nut at the carburetor side. Adjust by loosening the lock nut and turning the adjusting nut.

Minor adjustment is made with the adjusting nut at the throttle grip side. Slide the rubber cover out and adjust by loosening the lock nut and turning the adjusting nut.

Lock Nut

Adjusting Nut

Fuel Filter

• Do not smoke or allow flames or

sparks in your working area.

＊

Fuel Line

Lock Nut

Adjusting Nut