2.INSPECTION/ADJUSTMENT
2-7
VALVE CLEARANCE
NOTE:
Remove the timing inspection hole cap and crankshaft
hole cap.
Rotate the generator rotor counterclockwise and align
the “T”mark on the generator rotor with the index mark
in the left crankcase
(piston must be at T.D.C.of the compression
stroke).
Inspect the intake and exhaust valve clearance by
inserting a feeler gauge between the adjusting screw
and valve stem,valve clearance:
Intake: 0.08mm
Exhaust: 0.10mm
Adjust by loosening the lock nut and turning the
adjusting screw until there is a slight drag in the feeler
gauge.
NOTE:
Inspect and adjust the valve clearance while the
engine is cold.
Inspect the valve clearance again after tightened the
lock nut.
ALIGN
MARK
ALIGN
MARK
ADJUSTING
SCREW
LOCK NUT
