Troubleshooting, Engine troubleshooting – Polaris 440 IQ User Manual

Page 103

Advertising
background image

100

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 broken
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 bro-
ken

-Belt twisted, spring broken, weights stuck,
lubricated. SEE YOUR DEALER.
-Foreign object caught or slider 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.

Advertising
This manual is related to the following products: