Exhaust System Restrictor; Exhaust System Restrictor Removal - Polaris Sportsman 90 Safety And Maintenance Manual
2002 youth atv models
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Also See for Sportsman 90:
- Owner's manual (186 pages) ,
- Owner's manual (200 pages) ,
- Service manual (109 pages)
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MAINTENANCE
Exhaust System Restrictor
The exhaust restrictor system restricts
exhaust gas flow, reducing the maximum
power output of the engine.
A
Exhaust System Restrictor Removal
The Scrambler 50 utilizes a restrictor at
the headpipe exhaust flange and at the
spark arrestor.
Make certain the engine and exhaust
system is cool to avoid burns.
Loosen the set screw (A) of the exhaust
restrictor on the spark arrestor and remove the exhaust restrictor.
Remove the nuts at the headpipe exhaust flange, the center mount bracket bolts,
and the spark arrestor fasteners.
135
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