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Maintenance, Spark plugs, Spark plug recommendations – Polaris 2011 Ranger 400 User Manual

Page 68: Spark plug inspection

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64

MAINTENANCE

Spark Plugs

Spark Plug Recommendations

Refer to the specifications section beginning on page 100 for the recom-
mended spark plug type for your vehicle. Always torque spark plugs to
specification.

NOTICE: Using non-recommended spark plugs can result in serious engine

damage. Always use POLARIS-recommended spark plugs.

Spark Plug Gap/Torque

Spark Plug Inspection

Spark plug condition is indicative of engine operation. The spark plug
firing end condition should be read after the engine is warmed up and
the vehicle is driven at higher speeds. Immediately check the spark plug
for correct color. See page 64.

CAUTION! A hot exhaust system and engine can cause burns. Wear
protective gloves when removing a spark plug for inspection.

1. Remove the seat to access the engine compartment.

2. Remove the spark plug cap. Using the spark plug wrench provided

in the tool kit, remove the plug by rotating it counter-clockwise.

3. Reverse the procedure for spark plug installation. Torque to specifi-

cation.

Model

Electrode Gap

New Plug

Torque

Used Plug

Torque

RANGER 400

.036" (.9 mm)

9-11 ft. lbs.

(12-15 Nm)

9-11 ft. lbs.

(12-15 Nm)