Troubleshooting, Engine troubleshooting – Polaris 500 XC SP User Manual
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TROUBLESHOOTING
Engine Troubleshooting
Problem
Probable Cause Solution
Noise in drive sys-
tem
Broken drive clutch
components
• SEE YOUR DEALER.
Bearing failure/
chaincase, jackshaft,
or front drive shaft
• SEE YOUR DEALER.
Drive belt surface
flat spots
• Inspect and replace as needed.
Drive chain loose
• Inspect and adjust (or replace).
Drive chain worn,
sprocket teeth bro-
ken
• SEE YOUR DEALER.
Poor low RPM per-
formance
Worn drive belt
• Inspect and replace as needed.
Excessive belt/
sheave clearance
• SEE YOUR DEALER.
Loose torque stop
• Inspect and adjust.
Sticky clutch
• SEE YOUR DEALER.
Engine doesn't turn
Seized engine
• SEE YOUR DEALER. Seizure is a
result of poor lubrication, inade-
quate fuel supply, broken parts or
improper cooling.
Hydrostatic lock
• Fuel may have entered the crank-
case while the vehicle was standing
or being transported. SEE YOUR
DEALER to correct the cause.
Drain plug(s) are located on the
lower crankcase for emergency
draining.
Engine doesn't start
(electric start mod-
els)
Wire connections
• SEE YOUR DEALER.
Engine requires
more than normal
pulls to start
Poor fuel
• Replace with fresh winter fuel.
Not enough fuel get-
ting to engine
• SEE YOUR DEALER.