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6.4 PISTON REMOVAL
Remove circlip. Note that opening for circlip
access is on the exhaust side.
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.
Remove the compression rings, starting with the
top ring.
*Using a piston ring pliers: Carefully expand
ring and lift it off the piston. CAUTION: Do
not expand the ring more than the amount
necessary to remove it from the piston, or the
ring may break.
*By hand: Placing both thumbs as shown,
spread the ring open and push up on the
opposite. Use care to not scratch the ring lands.
Repeat procedure for second ring.
The oil control ring is a three piece design
consisting of a top and bottom steel rail and a
center expander section. Remove the top rail
first followed by the bottom rail and expander.
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