PERIODIC MAINTENANCE 2-9
INDEX mark
PUNCH mark
PUNCH mark
VALVE CLEARANCE
Inspect initially after 20 hours (1 month) and every 200
hours (12 months) thereafter.
1. Remove the following parts:
• Side covers (See page 7-2.)
• Flywheel cover
• Spark plugs
• Ignition coils
2. Remove the breather hose 2 from the cylinder head cover
1.
3. Disconnect the fuel hoses from the low pressure fuel pump.
4. Remove the six bolts and the cylinder head cover 1.
5. Rotate the flywheel clockwise to bring each piston to the Top
Dead Center (TDC) on a compression stroke. Align each
PUNCH mark on the cam pulley with the INDEX mark on the
cylinder head block.
PUNCH mark TDC cylinder number
1 No.1 cylinder
2 No.2 cylinder
3 No.3 cylinder
4 No.4 cylinder
#
Rotate the crankshaft in the normal running direction
only
(
clockwise
)
to prevent water pump impeller dam-
age.
NOTE:
•
The piston must be at its TDC position on a compression stroke
to check or adjust the valve clearance.
•
The valve clearance specificaion is for COLD engine condi-
tion.
•
The valve clearance specificaion is different for the intake (IN)
valves and the exhaust (EX) valves.
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