2014 Polaris RZR 170 Owners Manual - Page 67

2014 Polaris RZR 170 Manual

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MAINTENANCE Spark Plugs Spark Plug Gap/Torque Electrode Gap 0.6-0.7 mm New Plug Torque 9-11 ft. lbs. (12-15 Nm) Used Plug Torque 17-20 ft. lbs. (23-27 Nm) NOTICE: Using non-recommended spark plugs can result in serious engine damage. Use POLARIS-recommended spark plugs. See page 92. 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 65. A hot exhaust system and engine can cause burns. Wear protective gloves when removing a spark plug for inspection. Spark Plug Condition Normal Plug The normal insulator tip is gray, tan or light brown. There will be few combustion deposits. The electrodes are not burned or eroded. This indicates the proper type and heat range for the engine and the service. Tip: The tip should not be white. A white insulator tip indicates overheating, caused by use of an improper spark plug or incorrect throttle body adjustments. Wet Fouled Plug The wet fouled insulator tip is black. A damp oil film covers the firing end. There may be a carbon layer over the entire nose. Generally, the electrodes are not worn. General causes of fouling are excessive oil, use of non-recommended oil, improper use of the choke, or incorrect throttle body/carburetor adjustments. Spark Plug Removal and Replacement 1. Remove the spark plug cap. 2. 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 specification. See page 65. Spark Plug (right rear wheel well) 65

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65
MAINTENANCE
Spark Plugs
Spark Plug Gap/Torque
NOTICE:
Using non-recommended spark plugs can result in serious engine
damage. Use POLARIS-recommended spark plugs. See page 92.
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 65.
A hot exhaust system and engine can cause burns. Wear protective
gloves when removing a spark plug for inspection.
Spark Plug Condition
Normal Plug
The normal insulator tip is gray, tan or light brown. There will be few
combustion deposits. The electrodes are not burned or eroded. This indi-
cates the proper type and heat range for the engine and the service.
Tip:
The tip should not be white. A white insulator tip indicates overheating,
caused by use of an improper spark plug or incorrect throttle body adjust-
ments.
Wet Fouled Plug
The wet fouled insulator tip is black. A damp oil film covers the firing
end. There may be a carbon layer over the entire nose. Generally, the
electrodes are not worn. General causes of fouling are excessive oil, use
of non-recommended oil, improper use of the choke, or incorrect throt-
tle body/carburetor adjustments.
Spark Plug Removal and Replacement
1.
Remove the spark plug cap.
2.
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 specification.
See page 65.
Electrode Gap
New Plug Torque
Used Plug Torque
0.6-0.7 mm
9-11 ft. lbs.
(12-15 Nm)
17-20 ft. lbs.
(23-27 Nm)
Spark Plug
(right rear wheel well)