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71
MAINTENANCE
Spark Plug
Spark Plug Gap/Torque
NOTICE: Using non-recommended spark plugs can result in serious engine
damage. Use POLARIS-recommended spark plugs or their
equivalent. See page 100.
Spark plug condition is indicative of engine operation. The spark plug
firing end condition should be read after the engine is warmed up and
the vehicle is driven at higher speeds. Immediately check the spark
plug for correct color. See page 71.
A hot exhaust system and engine can cause burns. Wear protective
gloves when removing a spark plug for inspection.
Spark Plug Condition
Normal Plug
The normal insulator tip is gray, tan or light brown. There will be few
combustion deposits. The electrodes are not burned or eroded. This
indicates the proper type and heat range for the engine and the service.
Tip: The tip should not be white. A white insulator tip indicates overheating,
caused by use of an improper spark plug or incorrect throttle body
adjustments.
Wet Fouled Plug
The wet fouled insulator tip is black. A damp oil film covers the firing
end. There may be a carbon layer over the entire nose. Generally, the
electrodes are not worn. See your dealer for throttle body adjustments.
Electrode Gap New Plug Torque Used Plug Torque
0.6-0.7 mm 9-11 ft. lbs.
(12-15 Nm)
17-20 ft. lbs.
(23-27 Nm)
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