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CHK
ADJ
ADJUSTING THE VALVE CLEARANCE
7.Check:
●
Valve clearance
Out of specification → Adjust.
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Checking steps:
●
Turn the crankshaft counterclockwise with a
wrench.
●
Align the “T” mark 1 on the rotor with the
stationary pointer 2 on the crankcase cover.
When the “T” mark is aligned with the
stationary pointer, the piston is at the Top
Dead Center (T.D.C.).
N
OTE:
●
When the piston is at the Top Dead Center
(T.D.C.) on the compression stroke, there
should be clearance between the valve stem
tips and their respective rocker arm adjusting
screws.
●
If there is no clearance, rotate the crankshaft
counterclockwise one turn.
●
Measure the valve clearance using a feeler
gauge 3.
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Valve clearance (cold):
Intake:
0.06 ~ 0.10 mm
(0.0024 ~ 0.0039 in)
Exhaust:
0.16 ~ 0.20 mm
(0.0063 ~ 0.0079 in)