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PERIODIC CHECKS AND ADJUSTMENTS
PERIODIC MAINTENANCE
2.
Remove:
• Cylinder head cover “3”
• Cylinder head cover gasket
3.
Remove:
• Fan case cover “1”
(Refer to “CASE AND FAN” on page 3-11)
• Grass screen “2”
(Refer to “CASE AND FAN” on page 3-11)
4.
Turn the crankshaft clockwise, and then set the piston
at TDC (top-dead-center) on the compression stroke.
Check the piston position by inserting a screw driver into
the spark plug hole.
5.
Measure:
• Valve clearance
(Between the rocker arm and adjusting pad)
Out of specification Adjust to original set value at
every 1000 hr.
Valve clearance must be measured when the engine has
cooled down enough to be touched.
1
Feeler gauge set:
YU-26900-9
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