Spark Plugs; Spark Plug Inspection - Polaris Trail Boss 2007 Owner's Manual

MAINTENANCE AND LUBRICATION

Spark Plugs

Spark Plug Recommendations
CAUTION
Using non-recommended spark plugs can result in serious engine
damage. Always use Polaris-recommended spark plugs. See
Specifications beginning on page 103.
Refer to the specifications section beginning on page 103 for the
recommended spark plug type and gap for your vehicle. Torque spark
plugs to specification.
Plug Condition
New Spark Plug
Previously Installed Spark Plug

Spark Plug Inspection

Spark plug condition is indicative of engine operation. Check the spark
plug firing end condition after the engine has been warmed up and the
vehicle has been driven at higher speeds. Immediately check the spark
plug for correct color. See page 85.
WARNING
A hot exhaust system and engine can cause serious burns. Wear
protective gloves when removing a spark plug for inspection.
1. Remove the spark plug cap.
2. Using the special wrench provided in the tool pouch, rotate the
spark plug counterclockwise to remove it.
3. Reverse the procedure for spark plug installation. Torque to
specification.
84
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Torque Specification
9-11 ft. lbs. (12-15 Nm)
17-20 ft. lbs. (23-27 Nm)