Polaris Widetrak LX Owner's Manual page 113

TROUBLESHOOTING
Engine Troubleshooting
Problem
Engine turns
but fails to start
Engine lacks
power
Engine continu-
ally backfires
Engine requires
more than nor-
mal pulls to
start
110
Probable Cause
Faulty ignition
No fuel to engine
Flooded engine (normal
situation caused by too
much choking)
Poor engine compression • Running too lean a mixture (too small
Fouled or defective
spark plug
Fuel filter (loss of high
RPM power)
Incorrect clutching
Carburetor and fuel
pump
Faulty plug(s)
Carburetor
Poor gasoline or not
enough fuel getting to
engine
Solution
• Remove spark plug(s) and replace
with new plug(s). If engine still fails
to start, check for spark; if no spark
SEE YOUR DEALER.
• Make sure the fuel valve is ON.
Check tank level and fill up with cor-
rect fuel.
• Ice in fuel line, filter, or pump. On the
standard Polaris carburetor, the choke
will not function with the throttle
depressed. See second item under
"Probable Cause" of "Engine contin-
ually backfires".
• Hold throttle open, crank engine sev-
eral times (may be necessary to
change plug(s), however, the plug(s)
may operate satisfactorily when
dried).
a main jet will cause seizure resulting
in loss of power). SEE YOUR
DEALER. This indicates a major
engine problem that must be repaired
before engine is run.
• Change and test operation.
• Check fuel filter flow. Disconnect
hose and drain about 1/2 cup. Fuel
flow should be steady and encompass
the entire diameter of fuel line. If not,
replace filter.
• SEE YOUR DEALER.
• There's no adjustment to change
power output. SEE YOUR DEALER.
• Change plug(s)
• Dirt or ice in fuel system. (Deicer
should be added to non-ethanol fuel
at all times for assurance against fuel
line icing.)
• Replace with fresh winter fuel.