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Polaris TRAIL BOSS 2003

Polaris TRAIL BOSS 2003
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ENGINE
3.13
Rocker Arm & Support I.D.:
.8669-.8678I (22.020-22.041 mm)
7. Measure I.D. of both rocker arm shaft support
areas and visually inspect surface. Compare to
specifications.
Rocker Shaft Oil Clearance:
Std: .0008-.0021I (.020-.054 mm)
Limit: .0039I (.10 mm)
8. Inspect rocker adjuster screws for wear, pitting, or
damage to threads of the adjuster or locknut.
Replace all worn or damaged parts. NOTE: The
end of the adjuster screw is hardened and cannot
be ground or re-faced.
CAMSHAFT REMOVAL
1. Remove cam shaft end plug (A).
A
2. Remove camshaft sprocket flange bolt and
washer.
3. Place a clean shop towel in the area below cam
chain sprocket.
4. Remove sprocket from camshaft and chain.
5. Secure cam chain with a wire to prevent it from
falling into the crankcase.

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