Polaris Sportsman 800 EFI 2012 User Manual (English)

Questions and Answers:

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lynnjonesAug 8, 2025
What to do if my Polaris Offroad Vehicle engine stops or loses power?
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  zmurrayAug 8, 2025
  If your Polaris Offroad Vehicle engine stops or loses power, here's what you can check: * Refuel, cycle the key to the ON position three times for 5 seconds each, then start if the vehicle is out of fuel. * Inspect and replace a kinked or plugged fuel vent line. * Replace with new fuel if water is present in the fuel. * Inspect, clean, and/or replace fouled or defective spark plugs. * Set the gap to specifications or replace the plug if the spark plug gap or heat range is incorrect. * Check all connections and tighten if ignition connections are loose. * Recharge the battery to 12.8 VDC if the battery voltage is low. * Replace with fresh recommended fuel if the fuel is incorrect. * Inspect and clean or replace the air filter if it is clogged.
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Shane BrownAug 12, 2025
What to do if my Polaris Sportsman 800 EFI 2012 Offroad Vehicle engine turns over but fails to start?
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  Debbie GardnerAug 12, 2025
  If your Polaris Offroad Vehicle engine turns over but fails to start, try the following: * If out of fuel, refuel, cycle the key to the ON position three times for 5 seconds each, then start. * Replace the filter if you have a clogged fuel filter. * Drain the fuel system and refuel if water is present in the fuel. * Replace with fresh recommended fuel if the fuel is old or non-recommended. * Inspect plugs and replace if necessary if fouled or defective spark plugs. * Inspect plugs and verify the stop switch is on if there is no spark to the spark plug. * Recharge the battery to 12.8 VDC if the battery voltage is low.
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Tyler JonesAug 16, 2025
Why won't my Polaris Sportsman 800 EFI 2012 Offroad Vehicle engine turn over?
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  Teresa LawrenceAug 16, 2025
  If your Polaris Offroad Vehicle engine doesn't turn over, check the following: * Reset the breaker or replace the fuse if the circuit breaker is tripped or the fuse is blown. * Recharge the battery to 12.8 VDC if the battery voltage is low. * Check all connections and tighten if battery or solenoid connections are loose.
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markbarkerAug 25, 2025
Why does my Polaris Sportsman 800 EFI 2012 Offroad Vehicle engine backfire?
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  Bill MeyerAug 26, 2025
  If your Polaris Offroad Vehicle engine backfires, consider these potential causes: * Inspect, clean, and/or replace spark plugs if the spark from the spark plug is weak. * Set the gap to specifications or replace plugs if the spark plug gap or heat range is incorrect. * Replace with fresh recommended fuel if the fuel is old or non-recommended. * Check all connections and tighten if ignition connections are loose. * Replace with fresh recommended fuel if water is present in fuel.
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Kimberly FrederickAug 30, 2025
Why is my Polaris Sportsman 800 EFI 2012 Offroad Vehicle engine pinging or knocking?
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  Gary MorrisonAug 30, 2025
  If your Polaris Offroad Vehicle engine is pinging or knocking: * Replace with recommended fuel if you are using poor quality or low octane fuel. * Set the gap to specifications or replace plugs if the spark plug gap or heat range is incorrect.