Polaris 550 Shift 136 Owner's Manual For Maintenance And Safety page 104

TROUBLESHOOTING
Engine Troubleshooting
Problem
Noise in drive sys-
tem
Poor low RPM per-
formance
Engine doesn't turn
Engine doesn't start
(electric start mod-
els)
Engine requires
more than normal
pulls to start
100
Probable Cause Solution
Broken drive clutch
components
Bearing failure/
chaincase, jackshaft,
or front drive shaft
Drive belt surface
flat spots
Drive chain loose
Drive chain worn,
sprocket teeth bro-
ken
Worn drive belt
Excessive belt/
sheave clearance
Loose torque stop
Sticky clutch
Seized engine
Hydrostatic lock
Wire connections
Poor fuel
Not enough fuel get-
ting to engine
• SEE YOUR DEALER.
• SEE YOUR DEALER.
• Inspect and replace as needed.
• Inspect and adjust (or replace).
• SEE YOUR DEALER.
• Inspect and replace as needed.
• SEE YOUR DEALER.
• Inspect and adjust.
• SEE YOUR DEALER.
• SEE YOUR DEALER. Seizure is a
result of poor lubrication, inade-
quate fuel supply, broken parts or
improper cooling.
• Fuel may have entered the crankcase
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.
• SEE YOUR DEALER.
• Replace with fresh winter fuel.
• SEE YOUR DEALER.