Troubleshooting, Engine doesn’t turn over, Engine turns over, fails to start – Polaris Sportsmabn X2 500 EFI User Manual

Page 122: Engine backfires

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119

TROUBLESHOOTING

Engine Doesn’t Turn Over

Possible Cause

Solution

Low battery voltage

Recharge battery to 12.5 VDC

Loose battery connections

Check all connections and tighten

Loose solenoid connections

Check all connections and tighten

Engine Turns Over, Fails to Start

Possible Cause

Solution

Out of fuel

Refuel, cycle key to ON position three

times for 5 seconds each, then start

Clogged fuel filter

Inspect and clean or replace

Water is present in fuel

Drain the fuel system and refuel

Old or non-recommended fuel

Replace with new fuel

Fouled or defective spark plug(s)

Inspect plug(s), replace if necessary

No spark to spark plug

Inspect plug(s), verify stop switch is on

Crankcase filled with water or fuel

Immediately see your Polaris dealer

Clogged fuel filter

Replace the filter

Low battery voltage

Recharge battery to 12.5 VDC

Mechanical failure

See your Polaris dealer

Engine Backfires

Possible Cause

Solution

Weak spark from spark plug

Inspect, clean and/or replace spark plug

Incorrect spark plug gap or heat range

Set gap to specs or replace plug

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

Loose ignition connections

Check all connections and tighten

Water present in fuel

Replace with new fuel

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