maintenance - Polaris
maintenance - Polaris
maintenance - Polaris
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MAINTENANCE<br />
Spark Plugs<br />
Spark Plug Inspection<br />
Normal Plug<br />
The normal insulator tip is gray, tan or light brown. There will be few<br />
combustion deposits. The electrodes are not burned or eroded. This indicates<br />
the proper type and heat range for the engine and the service.<br />
The tip should not be white. A white insulator tip indicates overheating,<br />
caused by use of an improper spark plug or incorrect carburetion adjustments.<br />
Wet Fouled Plug<br />
The wet fouled insulator tip is black. A damp oil film covers the firing<br />
end. There may be a carbon layer over the entire nose. Generally, the<br />
electrodes are not worn. General causes of fouling are excessive oil, use<br />
of non-recommended oil, improper use of the choke, or incorrect throttle<br />
body/carburetor adjustments.<br />
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