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Polaris Sportsman 500 HO Owner's Manual: Spark Plugs; Spark Plug Inspection; Spark Plug Recommendations

Polaris industries all-terrain vehicles owner's manual.
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MAINTENANCE

Spark Plugs

Spark Plug Recommendations

Refer to the specifications section beginning on page 118 for the recom-
mended spark plug type and gap for your vehicle. Torque spark plugs to
specification.
NOTICE: Using non-recommended spark plugs can result in serious engine
damage. Always use Polaris-recommended spark plugs.
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 91.
CAUTION! A hot exhaust system and engine can cause burns. Wear
protective gloves when removing a spark plug for inspection.
1. Rotate the spark plug cap 1/4 turn and pull it off the spark plug.
2. Using the special wrench provided in the tool pouch, rotate the
spark plug counter-clockwise to remove it.
3. Reverse the procedure for spark plug installation. Torque to specifi-
cation.
90
Torque Specification
9-11 ft. lbs. (12-15 Nm)
17-20 ft. lbs. (23-27 Nm)

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