CYLINDER HEAD
Page 4A-18 90-857046R1 NOVEMBER 2001
Valve Clearance Adjustment
NOTE: Valve should be adjusted when the engine is cold.
WARNING
Engine could possibly start when turning flywheel during adjustment. To prevent
this type of accidental engine starting and possible serious injury, always remove
spark plug leads from spark plugs.
Checking Valve Clearance
1. Remove valve cover as outlined in “Valve Cover Removal”.
2. Measure valve clearance with a feeler gauge. Adjust if out of specification.
NOTE: When loosening lock nuts, hold the adjusting screw with a screw driver to prevent
it from moving.
Valve Clearance (Cold)
Intake 0.006 - 0.010 in. (0.15 - 0.25 mm)
Exhaust 0.010 - 0.014 in. (0.25 - 0.35 mm)
a
b
c
d
a-Lock nut
b-Adjusting Screw
c-Intake Valve Clearance
d-Exhaust Valve Clearance
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