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The video is made for entertainment purposes. For repair, use the factory installation instructions
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VALVE CLEARANCE
You have to check your valve clearance every 5,000 km!
Excessive valve clearance results in valve noise, and insufficient valve clearance results in valve damage and reduced power. At the distances indicated above, check and adjust the clearance to the following specification.
The procedure for adjusting the valve clearance is as follows:
Remove the seat and fuel tank.
Remove the spark plug, valve inspection caps, and valve timing inspection plug.
Remove the magneto cover cap and rotate the magneto rotor with the 22 mm box wrench to set the piston at Top-Dead-Center (TDC) of the compression stroke.
Rotate the rotor until the "T" line on the rotor is aligned with the center of the hole on the crankcase.
Insert the thickness gauge to the valve stem end and the adjusting screw on the rocker arm.
Thickness gauge: 09900 – 20803
Valve clearance specifications:
IN: 0.03 – 0.08 mm
EX: 0.08 – 0.13 mm
Repair manual says:
(If clearance is off the specification, bring it into the specified range by using the special tool.
Tappet adjuster driver: 09917 – 14910)
CAUTION: Both of the valve clearances, right and left, should be as closely set as possible.
Reinstall the spark plug, valve inspection caps, valve timing inspection plug, and magneto cover cap.
NOTE: Valve clearance is to be checked when the engine is cold. Both the intake and exhaust valves must be checked and adjusted when the piston is at Top-Dead-Center (TDC) of the compression stroke.
