Polaris Series 10 Ranger 425 2x4 - Manual (Page 92)

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MAINTENANCE AND LUBRICATION
Spark Plug Removal and Replacement
The spark plug is removed by using the special wrench provided in the
tool pouch. Remove the seat to access the engine compartment.
Remove the spark plug cap and then the spark plug by rotating
counterclockwise.
Reverse the procedure for spark plug installation. Torque to 14 ft. lbs.
(19 Nm).
Cylinder Head/Cylinder Base Fastener Torque
Have your dealer check the RANGER cylinder head and cylinder base
fasteners for proper torque at the first service or after 25 hours.
The exhaust system or engine can cause serious burns.
Always wait for the engine to cool before removing spark plugs.
WARNING
CAUTION
Always use the spark plugs recommended in this owner’s
manual. Using the wrong plugs can cause engine damage.