3-1
Maintenance
Service Information
If the engine must be running to do some work, make sure the area is well ventilated. Never run the
engine in an enclosed area. The exhaust contains poisonous carbon monoxide gas that may cause loss
of consciousness and lead to death. Run the engine in an open area or with an exhausted evacuation
system in an enclosed area.
Engine oil and oil filter see page 2-3, 2-4
Before working, stand the main stand.
3. Maintenance
Throttle grip free play: 26mm(0.078~0.236 in)
Spark plug: CR8EH9
Spark plug gap: 0.80.9mm(0.031-0.035in)
Valve clearance: IN) 0.12 0.02mm(0.005-0.001in)
EX) 0.120.02mm(0.005-0.001in)
Carburetor idle speed: 1,400100(rpm)
Cylinder compression: 14f/(550rpm)
Drive chain free play: 50~60mm(1.968~2.362 in)
Rear brake pedal free play: 20~30mm(0.787~1.181 in)
Clutch lever free play: 10~20mm(0.393~0.787 in)
Specifications
Tires
Driver only
Front 200kPa (2.00kgf/)
Cold tire pressure
Rear 200kPa (2.00kgf/)
Driver and a passenger
Front 200kPa (2.00kgf/)
Rear 200kPa (2.00kgf/)
Tire size
Front 90/90 -18
Rear 130/90 -15
Tire part minimum-depth
Front 4mm (0.16 in)
Rear 8.5mm (0.3 in)
3
Service Information
…………………3-1
Maintenance Schedule ………………3-3
Fuel Line ………………………………3-4
Throttle Grip Operation………………3-4
Carburetor Choke ……………………3-5
Air Cleaner ……………………………3-5
Spark Plug ……………………………3-6
Valve Clearance ………………………3-6
Cylinder Compression Pressure …3-7
Carburetor Idle Speed ………………3-8
Drive Chain ……………………………3-8
Battery …………………………………3-10
Brake Fluid ……………………………3-10
Brake Pad / Shoe………………………3-10
Brake System …………………………3-11
Brake Stop Switch ……………………3-12
Headlight Adjustment ………………3-12
Clutch……………………………………3-12
Side Stand………………………………3-13
Suspension ……………………………3-13
Bolts, Nuts Fasteners ………………3-14
Wheels / Tires …………………………3-14
Steering Head Bearings ……………3-15
NOTE
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