Polaris Sportsman 400 HO - 2008 Fuse Box Diagram

Polaris Sportsman 400 HO - 2008 Fuse Box Diagram

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TROUBLESHOOTING
Engine Doesn't Turn Over
Engine Turns Over, Fails to Start
Engine Backfires
Possible Cause
Solution
Blown fuse
Replace fuse
Low battery voltage
Recharge the battery to 12.8 VDC
Loose battery connections
Check all connections and tighten
Loose solenoid connections
Check all connections and tighten
Possible Cause
Solution
Out of fuel
Refuel, cycle key to ON position three
times for 5 seconds each, then start
Clogged fuel valve or filter
Inspect and clean or replace
Water is present in fuel
Drain the fuel system and refuel
Fuel valve is turned off
Turn the fuel valve on
Old or non-recommended fuel
Replace with fresh recommended fuel
Fouled or defective spark plug(s)
Inspect plugs and replace if necessary
No spark to spark plug
Inspect plugs, verify stop switch is on
Overuse of choke
Inspect, clean and/or replace spark plugs
Water or fuel in crankcase
Immediately see your Polaris dealer
Low battery voltage
Recharge the battery to 12.8 VDC
Mechanical failure
See your dealer
Possible Cause
Solution
Weak spark from spark plug
Inspect, clean and/or replace spark
plug(s)
Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
Old or non-recommended fuel
Replace with fresh recommended fuel
Incorrectly installed spark plug wires
See your dealer
Incorrect ignition timing
See your dealer
Mechanical failure
See your dealer