Spark Plugs; Spark Plug Inspection - Polaris Sportsman 400 H.O. Owner's Manual

MAINTENANCE

Spark Plugs

Spark Plug Recommendations
Using non-recommended spark plugs can result in serious engine damage.
Always use Polaris-recommended spark plugs.
Refer to the specifications section beginning on page 126 for the recom-
mended 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 99.
A hot exhaust system and engine can cause serious burns. Wear protective
gloves when removing a spark plug for inspection.
1. Remove the seat. Remove the right side panel.
2. Remove the fuel tank cover.
3. Rotate the spark plug cap 1/4 turn and pull it off the spark plug. If
necessary, use a needle-nose pliers to assist.
4. Using a 5/8" socket with a long extension, access the spark plug
through the fuel tank cover opening. Rotate the spark plug
counterclockwise to remove it.
5. Reverse the procedure for spark plug installation. Torque to
specification.
98
CAUTION
17-20 ft. lbs. (23-27 Nm)
WARNING
Torque Specification
9-11 ft. lbs. (12-15 Nm)