Mercury 40 Service Manual page 232

CYLINDER HEAD
INSTALLING VALVES
1. Always use new valve seals.
2. Apply engine oil to the valves and valve seats.
3. Install valves as shown.
a -
b -
c -
Page 4A-36
a
End of the Valve Spring with the Pre-Compressed Coils gets Installed Towards
the Cylinder Head
Use Spring Compressor Tool to Compress the Springs for Installation
Compress the Spring and Retainer and Install the Valve Keepers Around the
Valve Stem. You May have to Tap Lightly on End of Valve to Seat the Keepers
b
c
91-809494A1
53735
90-828631R3 MARCH 1999