3. Insert the thickness gauge between the valve clearance adjusting
screw and the valve rocker arm, then check the clearance between
the two valves.
Standard valve clearance: Intake 0.08~0.10mm
Exhaust 0.08~0.12mm
4. When doing adjustments, loosen the nut, turn the adjusting screw to
the degree that insertion of thickness gauge is slightly resisted. After
adjustment, tighten the locknut and repeat the check again.
5. During re-installation, reverse the steps mentioned above.
Clutch adjustment
1. The free clearance of clutch handlebar is 2-3mm. Loosen the locking
nut of the lower adjuster located on the crank case for adjustments.
Rotate clockwise to reduce the free clearance of clutch handlebar.
2. There is an upper adjuster of the left hand clutch handlebar.
3. Adjust it as described above.
Drive chain
The service life of the drive chain depends on good lubrication and proper
adjustments. Poor maintenance causes early wear and damage to the
chain and chain wheel.
Drive chain inspection
Check the wear and tension of the drive chain.
Support the motorcycle using the main stand and shift the shift pedal to
neutral.
Put your finger in the middle of the two chain wheels and swing the chain
1 up and down to adjust the amplitude of swing to 10 to 20mm.
1.Chain 2.Connecting rod locking nut 3.Adjusting bolt 4.Rear axle shaft nut
Check whether there is wear and tension in the drive chain. If it looks dry,
apply a layer of lubricating oil in time.
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