2010 Polaris 600 IQ Shift Owners Manual - Page 124

2010 Polaris 600 IQ Shift Manual

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Engine Troubleshooting Problem Engine turns but fails to start Faulty ignition TROUBLESHOOTING Probable Cause Solution • Install new spark plug(s). If engine still fails to start, check for spark. If there's no spark, SEE YOUR DEALER. • Make sure the fuel valve is on. • Make sure the fuel tank contains fuel. • Ice may be in the fuel line, filter or pump. Add isopropyl alcohol to the fuel system. • Mixture is too lean. A main jet that is too small will cause seizure resulting in loss of power. This indicates a major engine problem that must be repaired before operating. SEE YOUR DEALER. • Replace the plug(s). • SEE YOUR DEALER. • SEE YOUR DEALER. • Change plug(s). • Dirt or ice may be in the fuel system (deicer should be added to non-ethanol fuel at all times for assurance against fuel line icing). • SEE YOUR DEALER. No fuel to engine Poor engine compression Engine lacks power Fouled or defective spark plug(s) Fuel filter (loss of high RPM power) Incorrect clutching Engine continually backfires Faulty plug(s) Fuel System Incorrect throttle freeplay or faulty switch Engine requires more than normal pulls to start Engine backfires but fails to start Poor fuel Not enough fuel getting to engine Spark plug wires may be on wrong cylinder • Replace with fresh winter fuel. • SEE YOUR DEALER. • Reinstall spark plug wires to the corresponding cylinder. 121

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121
TROUBLESHOOTING
Engine Troubleshooting
Problem
Probable Cause
Solution
Engine turns but fails
to start
Faulty ignition
•
Install new spark plug(s). If engine
still fails to start, check for spark. If
there's no spark, SEE YOUR
DEALER.
No fuel to engine
•
Make sure the fuel valve is on.
•
Make sure the fuel tank contains
fuel.
•
Ice may be in the fuel line, filter or
pump. Add isopropyl alcohol to the
fuel system.
Poor engine com-
pression
•
Mixture is too lean. A main jet that
is too small will cause seizure result-
ing in loss of power. This indicates a
major engine problem that must be
repaired before operating. SEE
YOUR DEALER.
Engine lacks power
Fouled or defective
spark plug(s)
•
Replace the plug(s).
Fuel filter (loss of
high RPM power)
•
SEE YOUR DEALER.
Incorrect clutching
•
SEE YOUR DEALER.
Engine continually
backfires
Faulty plug(s)
•
Change plug(s).
Fuel System
•
Dirt or ice may be in the fuel system
(deicer should be added to non-etha-
nol fuel at all times for assurance
against fuel line icing).
Incorrect throttle
freeplay or faulty
switch
•
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.
Engine backfires but
fails to start
Spark plug wires
may be on wrong
cylinder
•
Reinstall spark plug wires to the cor-
responding cylinder.