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ENGINE
3.32
2. Remove piston circlip and push piston pin out of
piston. If necessary, heat the crown of the piston
slightly with a propane torch. CAUTION: Do not
apply heat to the piston rings. The ring may lose
radial tension.
3. Remove top compression ring:
*Using a piston ring pliers: Carefully expand ring
and lift it off the piston. CAUTION: Donot expand the
ring more than the amount necessary to remove it
from the piston, or the ring may break.
*Byhand: Placing both thumbs as shown, spread the
ring open and push up on the opposite side. Do not
scratch the ring lands.
4. Repeat procedure for second ring.
5. Remove the oil control ring.
The oil control ring is a three piece design consisting
of a top and bottom steel rail and a center expander
section. The top rail has a locating tab on the end
which fits into a notch (B) in the upper oil ring land of
the piston. To Remove:
a) Remove the top rail first followed by the bottom rail.
b) Remove the expander.
Oil Ring
Compression
Rings
B
CYLINDER INSPECTION
1. Remove all gasket material from the cylinder
sealing surfaces.
2. Inspect the top of the cylinder (B) for warpage
using a straight edge (A) and feeler gauge (C).
Refer to Ill. 1 and Ill. 2.
Top View
B
A
Measure at different points
on the surface.
Ill.1
Ill.2
A
B
C
Cylinder Warpage.
.004″ (0.1 mm) Max.