2014 Polaris 600 Switchback Assault Owners Manual - Page 85

2014 Polaris 600 Switchback Assault Manual

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MAINTENANCE Spark Plugs Spark Plug Inspection 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 at higher speeds. Immediately check the spark plug for correct color. CAUTION! A hot exhaust system and engine can cause burns. Wear protective gloves when removing a spark plug for inspection. 1. Remove the left side panel. 2. Remove the spark plug cap. 3. Using the special wrench provided in the tool pouch, rotate the spark plug counter-clockwise to remove. 4. Reverse the procedure for spark plug installation. Torque to specification. 5. Reinstall the spark plug cap. 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 carburetor/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 or use of non-recommended injection oil. 83

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83
MAINTENANCE
Spark Plugs
Spark Plug Inspection
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 at higher speeds. Immediately check the
spark plug for correct color.
CAUTION!
A hot exhaust system and engine can cause burns. Wear
protective gloves when removing a spark plug for inspection.
1.
Remove the left side panel.
2.
Remove the spark plug cap.
3.
Using the special wrench provided in the tool pouch, rotate the
spark plug counter-clockwise to remove.
4.
Reverse the procedure for spark plug installation. Torque to
specification.
5.
Reinstall the spark plug cap.
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 carburetor/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 or
use of non-recommended injection oil.