Kymco MO BW 50 Service Manual - chap 03 (manutenzione)
3. INSPECTION/ADJUSTMENT
3-0
BET & WIN 5 0
3
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INSPECTION/ADJUSTMENT
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SERVICE INFORMATION -------------------------------------------- 3- 1
INSPECTION AND MAINTENANCE SCHEDULE ---------------- 3- 2
FUEL LINE/FUEL FILTER ------------------------------------------- 3- 5
THROTTLE OPERATION --------------------------------------------- 3- 5
AIR CLEANER ---------------------------------------------------------- 3- 6
SPARK PLUG ----------------------------------------------------------- 3- 7
IGNITION TIMING----------------------------------------------------- 3- 7
CYLINDER COMPRESSION ------------------------------------------ 3- 8
FINAL REDUCTION GEAR OIL ------------------------------------- 3- 9
DRIVE BELT ------------------------------------------------------------ 3- 9
HEADLIGHT AIM ------------------------------------------------------ 3-10
COOLING SYSTEM ---------------------------------------------------- 3-10
BRAKE SYSTEM ------------------------------------------------------- 3-11
NUTS/BOLTS/FASTENERS------------------------------------------- 3-13
WHEELS/TIRES -------------------------------------------------------- 3-13
STEERING HANDLEBAR--------------------------------------------- 3-13
SUSPENSION ----------------------------------------------------------- 3-13
LUBRICATION SYSTEM---------------------------------------------- 3-14
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3. INSPECTION/ADJUSTMENT
3-1
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SERVICE INFORMATION
GENERAL
°I 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: BR8HSA
Spark plug gap : 0.6_ 0.7mm
Idle speed : 2000±100rpm
Lubrication oil capacity: Cylinder compression : 11.8±2kg/cm_
At disassembly : 1.1 liter Ignition timing : BTDC 13.5°±2°/2000rpm
At change : 0.9 liter Coolant capacity :1165CC
Gear oil capacity : Radiator capacity :825CC
At disassembly : 0.12 liter Reserve tank capacity :340CC
At change : 0.09 liter
CHASSIS
Rear brake free play: 10_ 20mm
TIRE
1 Rider
2 Riders
Front
1.75kg/cm_
2.00kg/cm_
Rear
2.25kg/cm_
2.25kg/cm_
TIRE SPECIFICATION:
Front : 120/70–12 56J
Rear : 130/70–12 59J
TORQUE VALUES
Front axle nut : 49.0_ 68.6N-m
Rear axle nut : 107.8_ 127.4N-m
3. INSPECTION/ADJUSTMENT
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INSPECTION AND MAINTENANCE SCHEDULE
(Note) 1. °≥ means time for inspection.
2. °∏ means regular replacement for the specified parts.
This inspection and maintenance schedule is based upon average riding conditions.
Machines subjected to serve use, or ridden in unusually dusty areas, require more frequent
servicing.
Frequency
Inspection & Maintenance Item
Preride
1st
month
Every 6
months
Every 12
months
Judgment Standards
Remarks
Check for looseness
and vertical play
°≥
Steering
handlebar
Operating performance
°≥
°≥
Right/left turning angle
°≥
Suspension
Damage
°≥
°≥
Check for front fork
pivot installation
°≥
°≥
Check
steering
stem
Front
Fork
Check front fork pivot
for looseness and
abnormal noise
°≥
Check
steering
stem
Rear brake lever free
play
°≥
°≥
Free play:
10_ 20mm
Brake lever operation
°≥
Brake
Lever
Brake performance
°≥°≥°≥
Lever/
Cable
Looseness, abnormal
noise and damage
°≥
°≥
Brake
System
Disk-to-lining
clearance
°≥
°≥
Brake disk(shoe) and
lining wear
°∏
Brake
disk/
lining(Bra
ke drum/
shoe)
Brake drum wear and
damage
°≥
Standard:
Rear : 110 mm
Service Limits:
Rear : 111 mm
Moving
Device
Tire
Tire pressure
°≥°≥°≥
Front
Rear
1
rider
1.75
kg/cm_
2.25
kg/cm_
Tire
Size
120/7012 56J
130/7012 59J
3. INSPECTION/ADJUSTMENT
3-3
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Frequency
Inspection & Maintenance Item
Preride
1st
month
Every 6
months
Every 12
months
Judgment Standards
Remarks
Tire crack and damage
°≥°≥°≥
Tire groove and
abnormal wear
°≥°≥°≥
Groove Depth:
Front: 0.8mm
Rear : 0.8mm
Imbedded objects,
gravel, etc.
°≥°≥°≥
Moving
Device
Motorcycle
Axle nut looseness
°≥
°≥
Torque Values:
Front axle nut
49.0_ 68.6N-m
Rear axle nut
107.8_ 127.4N-m
Axle nut
torque
Check wheel rim, rim
edge and spoke plate
for damage
°≥
°≥
Rim runout at rim end:
Front: Axial 2.0mm
Radial 2.0mm
Rear: Axial 2.0mm
Radial 2.0mm
Check front wheel
bear-ing for excessive
play and abnormal
noise
°≥
Check front wheel
bear-ing for excessive
play and abnormal
noise
°≥
Frame
Spring
Damage
Shock
spring
free
length
Suspension arm
Connecting parts
loose-ness and arm
damage
°≥
Shock
Oil leakage and damage
°≥
Damping
Device
absorber
Assembly parts looseness abnormal noise
°≥
Power
Clutch
Operation
°≥°≥°≥
Drive
System
Transmis
-sion case
Oil leakage and oil
level
°≥
°≥
Oil level:
Oil check bolt hole
at lower hole edge
Rear wheel
transmission case
Ignition
device
Spark plug condition
°≥°≥Plug gap: 0.6_ 0.7mm
Electrical
Equipment
Battery
Terminal connection
°≥
3. INSPECTION/ADJUSTMENT
3-4
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Wires
Loose connection and
damage
°≥
Frequency
Inspection & Maintenance Item
Preride
1st
month
Every 6
months
Every 12
months
Judgment Standards
Remarks
Performance and abnormal
noise
°≥
°≥
Body
Conditions at low and high
speeds
°≥°≥°≥
Exhaust smoke
°≥
°≥
Air cleaner
°≥
°≥
Oil quality and quantity
°≥
°≥
Oil level indicator
Indicator light comes
on when oil is
insufficient
Engine
Oil leakage
°≥
°≥
Oil level
°≥
Lubrication
system
Check oil filter for clogging
°≥
Fuel leakage
Carburetor, throttle valve
and auto bystarter
°≥
Check fuel filter for
clogging
°≥
Fuel level
°≥
Fuel
System
Fuel tube replacement
°∏Every 4 years
Operation
Lights & Winker
Winking action, dirt and
damage
°≥
Buzzer &
Steering Lock
Operation
°≥
Rearview Mirror
& Reflector
Rearview mirror position
°≥
Rearview
Mirror
Reflector &
License Plate
Dirt and damage
°≥
Counter
Operation
°≥
Exhaust
Joint looseness and damage
°≥
Muffler
Exhaust muffler
performance
°≥
Body & Frame
Looseness and damage
°≥
Abnormal
Conditions
Happened Last
Time
Check if the abnormal
conditions occur again
°≥
Others
Lubrication points
°≥
°≥
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