Polaris 2000 Universal Snowmobile - Manual (Page 145)

140
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 op-
erating RPM during
acceleration or
load variations
Drive clutch binding
Driven clutch malfunc-
tion
a. Disassembly of drive clutch required to in-
spect shift weights for wear and free opera-
tion. CONTACT YOUR DEALER.
b. Clean and polish stationary shaft hub.
a. Replace ramp buttons. CONTACT YOUR
DEALER.
b. Inspect movable for excessive bushing
clearance/replace. CONTACT YOUR DEAL-
ER.
Machine fails to
move
Transmission in Neu-
tral
Clutch jammed
Track jammed
Chaincase sprocket or
chain jammed or bro-
ken
Shift
Belt twisted, spring broken, weights stuck,
lubricated, CONTACT YOUR DEALER.
a. Foreign object caught or hi-fax melted to
track clips due to lack of proper lubrication.
b. Machine may be frozen to ground. Track
may be iced up.
Chain is loose or broken, chain tightener is
loose. CONTACT YOUR DEALER.
Noise in drive sys-
tem
Broken drive clutch
components
Bearing failure/ chain-
case, jackshaft, or
front drive shaft
Drive belt surface flat
spots
Drive chain loose or
worn, sprocket teeth
broken
CONTACT YOUR DEALER.
CONTACT YOUR DEALER.
Inspect/adjust or replace.
Inspect/replace.
Poor low RPM per-
formance
Worn drive belt
Excessive belt/sheave
clearance
Loose torque stop
Sticky clutch
Inspect/replace.
CONTACT YOUR DEALER.
Inspect/adjust.
CONTACT YOUR DEALER.
Engine does not
start (electric start
models)
Wire connections CONTACT YOUR DEALER.