Troubleshooting - Polaris 550 IQ Shift 2012 Owner's Manual For Maintenance And Safety

Engine Troubleshooting
Unless you have experience and training in two-cycle engine repair,
see your dealer if technical problems arise.
Problem
Erratic engine oper-
ating RPM during
acceleration or load
variations
Harsh drive clutch
engagement
Drive belt turns over
Machine fails to
move
Engine stutters in
reverse
Probable Cause Solution
Drive clutch binding
Driven clutch mal-
function
Drive belt worn or
too narrow
Excessive belt/
sheave clearance
Wrong belt for appli-
cation
Clutch alignment out
of spec
Engine mount bro-
ken or loose
Clutch jammed
Track jammed
Chaincase sprocket
or chain jammed or
broken
Misfire mode has
activated to prevent
engine overheat

TROUBLESHOOTING

• Disassemble drive clutch to inspect
shift weights for wear and free oper-
ation. SEE YOUR DEALER.
• Clean and polish stationary shaft
hub.
• Replace ramp buttons and rollers.
SEE YOUR DEALER.
• Inspect movable sheaves for exces-
sive bushing clearance and replace if
necessary. SEE YOUR DEALER.
• Replace the drive belt.
• SEE YOUR DEALER.
• Replace the drive belt.
• Adjust alignment offset. SEE YOUR
DEALER.
• Inspect and adjust or replace. SEE
YOUR DEALER.
• Check for twisted belt, broken
spring, sticking weights, lubrica-
tion. SEE YOUR DEALER.
• Foreign object may be caught or the
rail slide melted to the track clips
due to lack of lubrication.
• Track may be iced up or frozen to
the ground.
• Chain is loose or broken or chain
tightener is loose. SEE YOUR
DEALER.
• Shift to forward or restart the engine
to clear the misfire mode.
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