Clutch and Oil Pump
CLUTCH
1. Remove:
• Water pump drive sprocket cover 1
• Water pump drive sprocket 2
Note:
Water pump drive sprocket bolts 3 is locked with LOCTITE®.
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CLUTCH
1. Remove:
• Water pump drive sprocket cover 1
• Water pump drive sprocket 2
Note:
Water pump drive sprocket bolts 3 is locked with LOCTITE®.
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(1) Oil
FINAL GEAR OIL Oil Level Measurement
1. Place the motorcycle on a level area and place on its centerstand.
2. Remove the oil filler cap
3. Observe the oil level (2) and add oil if necessary.
FRONT FORK OIL CHANGE
WARNING:
Securely support the motorcycle so there is no danger of it falling over.
1. Place a suitable stand under the engine to raise the front wheel off the ground.
2. Remove the air valve cap (1)
IGNITION TIMING CHECK
1. Check: • Ignition timing
Ignition timing check steps:
• Remove the cover.
• Connect Timing Light (90890-03109) (1) to No. 1 cylinder spark plug lead.
IDLE SPEED
1. Adjust the idle speed. Warm up the engine and turn the throttle stop screw (1) to adjust.
Idle Speed:
1,050 ± 50 r/min
CARBURETOR SYNCHRONIZATION
CYLINDER
1. Inspect the cylinder walls for vertical scratches and Rebore or Replace cylinder as required.
2. Measure the cylinder inside diameter.
STARTER MOTOR
MAIN AXLE AND MIDDLE DRIVE GEAR
1. Remove:
• Middle drive gear 1
• Main axle 2
• Bearing 3
• Dowel pins 4
• O-ring 5
A.C.G. SHAFT, STARTER DRIVE, AND CRANKSHAFT
CLUTCH ADJUSTMENT
1. Loosen the adjuster locknut (1)
2. Adjust the clutch lever free play (a) by turning adjuster (2) in or out.
Free Play (a): 2 - 3mm (0.08-0.12 in)
CAMSHAFT, CAM CHAIN, AND CAM SPROCKET
Camshaft
1. Measure:
• Large cam lobe length 1
• Small cam lobe length 2