INSP

VALVE CLEARANCE ADJUSTMENT ADJ

1

3 2

1

4.Check:

●Valve clearance

Out of specification → Adjust.

Valve clearance (cold):Intake valve:0.05~ 0.09 mm (0.0020 ~ 0.0035 in)Exhaust valve:0.08~ 0.12 mm (0.031 ~ 0.047 in)Checking steps:

●Turn the crankshaft counterclockwise with a wrench.

●Align the T.D.C. mark a on the rotor with the align mark b on the crankcase cover when piston is at T.D.C. on compression stroke.

●Measure the valve clearance using a

feeler gauge 1.

Out of specification → Adjust clearance.

5.Adjust:

● Valve clearance

Adjustment steps:

●Loosen the locknut 1.

●Turn the adjuster 3 in or out with the valve adjusting tool 2 until specified clear- ance is obtained.

Turning in →Valve clearance is decreased. Turning out →Valve clearance is increased.Valve adjusting tool:YM-8035/90890-01311

● Hold the adjuster to prevent it from moving and tighten the locknut.

7 Nm (0.7 m · kg, 5.1 ft · lb)

T.

R.

● Measure the valve clearance.

● If the clearance is incorrect, repeat above steps until specified clearance is obtained.

3 - 9