ENGINE
3.39
PISTON REMOVAL
1. Remove circlip. Note piston directional arrow pointing
toward the right (Mag) side of engine.
2. Removepistoncirclipandpushpistonpinout ofpiston.
If necessary, heat thecrownof thepistonslightly witha
propane torch. CAUTION: Do not apply heat to the
piston rings. The ring may lose radial tension.
3. Remove top compression ring.
*Usinga pistonring pliers: Carefully expand ring andlift
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.
*Byhand: Placing both thumbs as shown, spread thering
open andpush up onthe opposite side. Donot scratch the
ring lands.
4. 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.
The top rail has a locating tab on the end which fits into a
notch (A) in the upper oil ring land of the piston.
5. Remove the top rail first followed by the bottom rail.
6. Remove the expander.
A
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