2014 Polaris 800 Pro RMK Owners Manual - Page 125

TROUBLESHOOTING Engine Troubleshooting Problem Erratic engine RPM during acceleration or load variations Engine doesn't turn Probable Cause Solution Drive clutch binding Driven clutch malfunction Seized engine • SEE YOUR DEALER. • SEE YOUR DEALER. • SEE YOUR DEALER. Seizure is a result of poor lubrication, inadequate fuel supply, broken parts or improper cooling. • Fuel may have entered the crankcase while the vehicle was standing or being transported. SEE YOUR DEALER to correct the cause. Drain plug(s) are located on the lower crankcase for emergency draining. • Install new spark plug(s). If engine still fails to start, check for spark. If there's no spark, SEE YOUR DEALER. • Make sure the fuel valve is on. • Make sure tank contains fuel. • Ice may be in the fuel line, filter or pump. Add isopropyl alcohol to the fuel system. • SEE YOUR DEALER. • This indicates a major engine problem that must be repaired before operating. SEE YOUR DEALER. • Replace the plug(s). • SEE YOUR DEALER. • SEE YOUR DEALER. • SEE YOUR DEALER. • Change plug(s). • Dirt or ice may be in the fuel system (deicer should be added to nonethanol fuel at all times for assurance against fuel line icing). • SEE YOUR DEALER. • Replace with fresh winter fuel. • SEE YOUR DEALER. • SEE YOUR DEALER. Hydrostatic lock Engine turns but fails to start Faulty ignition No fuel to engine Poor engine compression Engine lacks power Fouled or defective spark plug(s) Fuel filter (loss of high RPM power) Plugged fuel filter or tank pick-up sock Incorrect clutching Faulty plug(s) Fuel System Engine continually backfires Engine requires more than normal pulls to start Incorrect throttle freeplay or faulty switch Poor fuel Not enough fuel getting to engine Plugged fuel filter or tank pick-up sock 123