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VALVE CLEARANCE ADJUSTMENT
3 - 7
Align the "T" mark 1 on the rotor with
stationary pointer 2 on the crankcase
cover. When the "T" mark is aligned with
the stationary pointer, the piston is at Top
Dead Center (T.D.C.).
NOTE:
T.D.C. on compression stroke check:
Both cam lobes must have a valve clear-
ance when the rotor match mark 1 is
aligned with the stationary pointer match
mark 2.
If not, give the crankshaft one counter-
clockwise turn to meet above condition.
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5.Check:
Valve clearance
Measure the valve clearance using a
feeler gauge.
Out of specification → Adjust.
Valve clearance (cold):
Intake:
0.09 ~ 0.19 mm
(0.004 ~ 0.007 in)
Exhaust:
0.19 ~ 0.27 mm
(0.007 ~ 0.011 in)
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Checking steps:
NOTE:
TDC on compression stroke can be found
when the cam lobes are opposite each
other as shown.
Measure the valve clearance using a
feeler gauge 1.
NOTE:
Record the measured reading if the clear-
ance is incorrect.
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CHK
ADJ
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