ADJUSTING THE VALVE CLEARANCE
Remove:
engine cooling fan
Remove:
timing plug
Check:
valve clearance Out of specification
Adjust.
Valve clearance (Cold)
Intake-0.10~0.15 mm
(0.0039~0.0059 in)
Exhaust -0.15~0.20 mm
(0.0059 ~0.0079 in)
a.Turn the crankshaft counterclockwise with awrench.b.Align the
" I"
mark on the rotor with the stationary pointer
on the A.C. magneto cover. When the
" I "
mark is aligned with the stationary pointer, the piston is at the Top Dead Center (T D C).
NOTE:
•
When the piston is at the Top Dead Center(TDC) on the compression stroke, thereshould be clearance between the valve stemtips and their respective rocker arm adjustingscrews.
•
If there is no clearance, rotate the crankshaftcounterclockwise one turn.c.Measure the valve clearance using a thickness gauge
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