2006 Polaris 600 Switchback Owners Manual - Page 114

2006 Polaris 600 Switchback Manual

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Engine Troubleshooting Problem Engine turns but fails to start TROUBLESHOOTING Probable Cause Faulty ignition Solution S Install new spark plug(s). If engine still fails to start, check for spark. If there's no spark, SEE YOUR DEALER. S S S S Make sure the fuel valve is on. Use the choke. See page 57. Make sure the fuel tank contains fuel. Ice may be in the fuel line, filter or pump. Add isopropyl alcohol to the fuel system. No fuel to engine Poor engine compression S Mixture is too lean. This indicates a major engine problem that must be repaired before the engine is run. SEE YOUR DEALER. S Replace the plug. S SEE YOUR DEALER. S SEE YOUR DEALER. S Change plug(s). 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). Engine lacks power Fouled or defective spark plug Fuel filter (loss of high RPM power) Incorrect clutching Faulty plug(s) Fuel System Engine g continually i ll backfires Engine requires more than normal pulls to start Engine backfires but fails to start Incorrect throttle free- S SEE YOUR DEALER play or faulty switch Poor gasoline or not S Replace with fresh winter fuel. enough fuel getting to engine Spark plug wires may S Reinstall spark plug wires to the correbe on wrong cylinder sponding cylinder. 111

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111
TROUBLESHOOTING
Engine Troubleshooting
Problem
Probable Cause
Solution
Engine turns
but fails to start
Faulty ignition
S
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
S
Make sure the fuel valve is on.
S
Use the choke. See page 57.
S
Make sure the fuel tank contains fuel.
S
Ice may be in the fuel line, filter or
pump. Add isopropyl alcohol to the
fuel system.
Poor engine
compression
S
Mixture is too lean. This indicates a ma-
jor engine problem that must be repaired
before the engine is run. SEE YOUR
DEALER.
Engine lacks
power
Fouled or defective
spark plug
S
Replace the plug.
Fuel filter (loss of
high RPM power)
S
SEE YOUR DEALER.
Incorrect clutching
S
SEE YOUR DEALER.
Engine
i
ll
Faulty plug(s)
S
Change plug(s).
continually
backfires
Fuel System
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).
Incorrect throttle free-
play or faulty switch
S
SEE YOUR DEALER
Engine requires
more than
normal pulls to
start
Poor gasoline or not
enough fuel getting to
engine
S
Replace with fresh winter fuel.
Engine back-
fires but fails to
start
Spark plug wires may
be on wrong cylinder
S
Reinstall spark plug wires to the corre-
sponding cylinder.