4-14 - POWERHEAD 90-826148R2 MARCH 1997
Piston and Connecting Rod
Disassembly
1. Remove piston rings. Always install new piston
rings.
52680
a
a - Piston Ring Expander (P/N 91-24697)
2. Scribe cylinder number (1 or2) on inside ofeach
piston and rod assembly as they are removed to
insurereassembly ofcorrectpiston to samecon-
necting rod.
1
52681
a
a - Mark Piston & Rod for Correct Reassembly
CAUTION
Safetyglassesshouldbewornwhenremovingor
installing lock rings.
3. Remove piston pin lock rings using awl. Always
install new lock rings.
52679
4. Remove piston pin.
52678
a
b
a - Piston Pin Tool (91-74607A2)
b - Piston Pin
5. Remove piston pin needle bearings (29 per pis-
tonpin)andlocatingwashers(“a”2perpiston)as
shown.
52677
a
a - Locating Washers
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