Mercury 4 SERIES

CYLINDER HEAD
Page 4A-8 90-857138R1 MAY 2000
Adjustments
Valve Clearance
IMPORTANT: Make all valve adjustments while engine temperature is cool.
NOTE: Inspect cover gasket for cuts or tears. Replace gasket if damaged.
1. Remove cylinder cover and spark plug.
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a
b
c
a-Cylinder Head Cover
b-Cover Gasket
c-Spark Plug
2. Remove fuel pump.
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a
a-Fuel Pump