Polaris 440 IQ, Owner'S Manual

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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.