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Assembly, Cont.
17. Position C clip onto driver of C-clip installation tool
(PN 2870773) with open end down. Slide portion
of tool barrel over driver.
18. Install guide pin at the driver into the piston pin and
position the barrel up against the piston. While
holding the barrel against the piston, push the
driver in until you hear the clip engage into the
piston groove.
19. Rotate driver to complete engagement of clip.
20. Visually inspect the C-clip to be sure it is fully
seated in the groove.
21. Reinstall piston onto rod with "F" mark or →toward
the magneto side of the engine. Support with
support block.
22. Lubricate piston pin and pin bearing with 2 Stroke
oil.
23. Reinstall piston pin. Warm piston crown lightly
with heat gun to ease pin installation.
CAUTION: Do not overheat piston. Do not apply heat
to piston rings or loss of temper may result.
24. Repeat Step 17 through 20 for other C-clip.
Polaris Sales Inc.
3.19
ENGINE
EC25PF/EC28PF Engines
Toward Flywheel
C clip retainers
open end should be
straight up or
straight down.
Forward
4/99
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Table of Contents
Troubleshooting
