170
Troubleshooting
Engine Backfires
Possible Cause
Solution
Weak spark from spark plugs
Inspect, clean and/or replace spark plugs
Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
Old or non-recommended fuel
Replace with new fuel
Incorrectly installed spark plug wires
See your Polaris dealer
Incorrect ignition timing
See your Polaris dealer
Mechanical failure
See your Polaris dealer
Exhaust system leak
See your Polaris dealer
Summary of Contents for Sportsman 9921796
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Page 42: ...39 Youth Section ...
Page 58: ...55 Adult Section ...
Page 110: ...107 Maintenance Lubrication Guide Grease Points Grease Points ...
Page 187: ...184 Maintenance Log DATE SERVICE INTERVAL TECHNICIAN SERVICE PERFORMED COMMENTS ...
Page 188: ...185 Maintenance Log DATE SERVICE INTERVAL TECHNICIAN SERVICE PERFORMED COMMENTS ...