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User Manual - Page 172

For SPORTSMAN 450 H.O.. Also, The document are for others Polaris models: SPORTSMAN 570, SPORTSMAN 570 EPS, SPORTSMAN 570 EFI, SPORTSMAN 570 SP, SPORTSMAN 570 HD, SPORTSMAN 570 UTILITY EDITION, SPORTSMAN 570 SP HUNTER EDITION, SPORTSMAN 450 HO, SPORTSMAN 450 HO EPS, SPORTSMAN 450 HD, SPORTSMAN 450 UTILITY EDITION, SPORTSMAN TOURING 570, SPORTSMAN TOURING 570 EPS, SPORTSMAN TOURING 570 SP, SPORTSMAN X2 570 EPS, UTE 570 HD, SPORTSMAN 6X6 570

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ENGINE STOPS OR LOSES POWER
POSSIBLE CAUSE SOLUTION
Out of fuel Refuel
Kinked or plugged fuel vent
line
Inspect and replace
Water is present in fuel Replace with new fuel
Fouled or defective spark plug Inspect, clean and/or replace spark plug
Worn or defective spark plug
wires
Your authorized dealer can assist
Incorrect spark plug gap or
heat range
Set gap to specs or replace plug
Loose ignition connections Check all connections and tighten
Low battery voltage Recharge the battery to 12.8 VDC
Incorrect fuel Replace with fresh recommended fuel
Clogged air filter Inspect and clean or replace
Clogged intake pre-filter Inspect and clean (with soapy water) or replace
Other mechanical failure Your authorized dealer can assist
Overheated engine Clean radiator screen and core, clean engine exterior. Your
dealer can assist.
170
TROUBLESHOOTING
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