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ENGINE TROUBLESHOOTING
Engine Doesn’t Turn Over
Possible Cause Solution
Tripped circuit breaker Reset the breaker
Low battery voltage Recharge battery to 12.5 VDC
Loose battery connections Check all connections and tighten
Hydrolock See your Polaris dealer
Security lock or MFI code is activated Unlock/deactivate
Loose solenoid connections Check all connections and tighten
Lanyard lock plate not in place Install lock plate under shut-off switch
Engine Turns Over But Doesn’t Start
Possible Cause Solution
Out of fuel Refuel
Water in fuel (carb models) Drain the fuel/water separator
Fuel valve is turned off (carb models) Turn the fuel valve on
Old or non-recommended fuel Replace with new fuel
Fouled or defective spark plugs Inspect plugs, replace if necessary
Crankcase filled with water or fuel See your Polaris dealer
Overuse of choke Inspect, clean and/or replace spark plugs
Clogged fuel filter Replace the filter
Low battery voltage Recharge battery to 12.5 VDC
Mechanical failure See your Polaris dealer
Engine Overheats
Possible Cause Solution
Clogged jet pump intake Clean intake
Use of non-recommended fuel or oil Replace with recommended fluids
Sand or debris in cooling system Flush the cooling system
Plugged thermostat assembly Disassemble and clean thermostat
Plugged cooling system Inspect and clean cooling system
Clogged exhaust p ipe screen fitting Clean screen fitting
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