2007 Polaris Hawkeye 2x4 Owners Manual - Page 100
2007 Polaris Hawkeye 2x4 Manual
Page 100 highlights
Spark Plugs MAINTENANCE Spark Plug Inspection 4. Inspect the electrodes for wear and carbon buildup. Replace worn or fouled plugs. Verify that the gap is at specification before installation. 5. Reverse the procedure for spark plug installation. Torque to specification. Spark Plug Condition Normal Spark 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. NOTE: The tip should not be flaky and white. A white insulator tip indicates overheating, caused by use of an improper spark plug or incorrect carburetion adjustments. Wet Fouled Spark 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. 97
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