Inspection and Reconditioning (Rev 1/97)
57
b. Place the valve in the valve seat and use a valve
lapping tool to spin the valve against the valve seat
for a short time.
Lapping Valves
c.
Lift the valve off the valve seat, rotate the valve
about a quarter of a turn, and drop the valve back
onto the valve seat. Spin the valve against the
valve seat again for a short time. Repeat this sev-
eral times.
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d. Remove the valve and wipe the lapping compound
off the valve seat and the valve face. The valve seat
should appear smooth and be an even gray color.
The valve face should show a smooth, even gray
ring where it contacts the valve seat. Repeat the
lapping procedure if either the valve seat or the
valve face does not appear smooth and even.
7. Recheck the valves for leaks after they have been
lapped.
Rocker Arm Assembly
NOTE: The intake and exhaust rocker arms are different.
Note the differences, mark them, or keep them in order
during disassembly to make sure they are reassembled in
the correct order.
1. Remove the circlips from both ends of the rocker arm
shaft.
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Three Cylinder Rocker Arm Assembly