Polaris 2016 600 Switchback Assault 144 - Manual (Page 127)

125
TROUBLESHOOTING
Engine Troubleshooting
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 acceleration
or load variations Drive clutch binding • SEE YOUR DEALER.
Driven clutch
malfunction • SEE YOUR DEALER.
Harsh drive clutch
engagement Drive belt worn or
too narrow • Replace the drive belt.
Excessive belt/
sheave clearance • SEE YOUR DEALER.
Drive belt turns over Wrong belt for
application • Replace the drive belt.
Clutch alignment out
of spec • SEE YOUR DEALER.
Engine mount
broken or loose • Inspect and replace. SEE YOUR
DEALER.
Machine fails to
move Clutch jammed • Check for twisted belt or broken
spring. SEE YOUR DEALER.
Track jammed • 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.
Chaincase sprocket
or chain jammed or
broken • Chain is loose or broken or chain
tightener is loose. SEE YOUR
DEALER.
Noise in drive
system Broken drive clutch
components • SEE YOUR DEALER.
Bearing failure/
chaincase, jackshaft,
or front • 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
broken • SEE YOUR DEALER.
Poor low RPM
performance Worn drive belt • Inspect and replace as needed.
Excessive belt/
sheave clearance • SEE YOUR DEALER.
Sticky clutch • SEE YOUR DEALER.
Poor fuel quality • Use 87-91 octane fuel (or higher).