Polaris Predator - Manual (Page 128)

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MAINTENANCE AND LUBRICATION
Spark Plugs
S
Use NGK DCPR8E spark plugs.
S Proper electrode gap is .035″ (.90 mm).
S
Spark plug torque is 14 ft. lbs. (19 Nm).
Spark plug condition is indicative of engine operation. The spark plug firing end condition
should be read after the engine has been warmed up and the vehicle has been driven at
higher speeds. Immediately check the spark plug for correct color.
Using non-recommended spark plugs may result in serious engine damage and may
void your emission-related warranty. Always use Polaris-recommended spark plugs.
CAUTION
WARNING
A hot exhaust system and engine can cause serious burns. Wear protective gloves
when removing a spark plug for inspection. Allow components to cool before continuing.