2007 Polaris 120 Owners Manual - Page 55

2007 Polaris 120 Manual

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ADULT SECTION Maintenance Spark Plugs A new engine can cause temporary spark plug fouling due to the preservative added during the assembly process. Avoid prolonged idle speeds, which cause plug fouling and carbonization. Refer to the specifications section beginning on page 80 for recommended spark plug type and gap. CAUTION Using non-recommended spark plugs can result in serious engine damage. Always use the spark plugs recommended for your snowmobile. 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. Immediately check the spark plug for correct color. WARNING A hot exhaust system and engine can cause serious burns. Wear protective gloves when removing a spark plug for inspection. Spark Plug Removal and Replacement 1. Stop the engine. 2. Remove the spark plug cap. 3. Using the special wrench provided in the tool pouch, rotate the spark plug counterclockwise to remove it. 4. Reverse the procedure for spark plug installation. Torque to 12-14 ft. lbs. (16-19 Nm). 52

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52
ADULT SECTION
Maintenance
Spark Plugs
A new engine can cause temporary spark plug fouling due to the preser-
vative added during the assembly process. Avoid prolonged idle speeds,
which cause plug fouling and carbonization.
Refer to the specifications section beginning on page 80 for recom-
mended spark plug type and gap.
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. Immediately check the spark plug for
correct color.
Spark Plug Removal and Replacement
1.
Stop the engine.
2.
Remove the spark plug cap.
3.
Using the special wrench provided in the tool pouch, rotate the
spark plug counterclockwise to remove it.
4.
Reverse the procedure for spark plug installation. Torque to 12-14
ft. lbs. (16-19 Nm).
CAUTION
Using non-recommended spark plugs can result in serious engine damage.
Always use the spark plugs recommended for your snowmobile.
WARNING
A hot exhaust system and engine can cause serious burns. Wear protective
gloves when removing a spark plug for inspection.