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Troubleshooting, Engine troubleshooting – Polaris 800 Switchback User Manual

Page 115

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TROUBLESHOOTING

Engine Troubleshooting

CAUTION: Unless you have experience and training in two-cycle

engine repair, see your dealer if technical problems arise.

Problem

Probable Cause

Solution

Erratic engine

operating RPM

during accelera-

tion or load

variations

Drive clutch

binding

Driven clutch

malfunction

- Disassemble drive clutch to inspect shift

weights for wear and free operation.

SEE YOUR DEALER.

- Clean and polish stationary shaft hub.
- Replace ramp buttons and rollers.

SEE YOUR DEALER.

- Inspect movable sheaves for excessive

bushing clearance and replace if necessary.

SEE YOUR DEALER.

Harsh drive

clutch

engagement

Drive belt worn or

too narrow
Excessive belt/

sheave clearance

- Replace drive belt.

- SEE YOUR DEALER.

Drive belt turns
over

Wrong belt for
application
Clutch alignment
out of spec
Engine mount bro-
ken or loose

- Replace drive belt.

- Adjust alignment offset.

- Inspect and adjust or replace.

SEE YOUR DEALER.

Machine fails to

move

Clutch jammed

Track jammed

Chaincase sprocket

or chain jammed or

broken

- Belt twisted, spring broken, weights stuck,

lubricated. SEE YOUR DEALER.

- Foreign object caught or Hi-fax melted to

track clips due to lack of lubrication.

- Machine may be frozen to ground. Track

may be iced up.

- Chain is loose or broken, chain tightener

is loose. SEE YOUR DEALER.

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