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MAINTENANCE AND LUBRICATION
Spark Plugs
CAUTION
Using non-recommended s park plugs c an result i n serious engine
damage. Always us e Polaris-recommended spark plugs. Refer
to the specifications section beginning on page 100.
Spark Plug Gap/Torque
Model Electrode Gap New Plug Torque Used Plug Torque
RANGER
4X4 XP
.035″ ( .9 mm)
18 ft. lbs.
(24 Nm)
18 ft. lbs.
(24 Nm)
RANGER
6X6 EFI
.035″ ( .9 mm)
18 ft. lbs.
(24 Nm)
18 ft. lbs.
(24 Nm)
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 s peeds. Immediately check the spark
plug for correct color.
WARNING
A hot exhaust system and engine can cause s erious burns. Wear
protective gloves when removing a spark plug for inspection.
1. Normal
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.
NOTE: 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.