Name: Polaris ACE 900 SP
Brand: Polaris
Rating: 5 (1 reviews)

Questions and Answers:

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Donna RussellJul 27, 2025
Why does my Polaris Utility Vehicle engine backfire?
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  vmayJul 27, 2025
  Your Polaris Utility Vehicle engine might backfire due to: * 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 fresh recommended fuel. * Loose ignition connections. Check all connections and tighten. * Water present in fuel. Replace with fresh recommended fuel.
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Benjamin HaysJul 31, 2025
Why is my Polaris ACE 900 SP drive belt wearing or burning?
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  Dana MannJul 31, 2025
  Drive belt wear or burn in your Polaris Utility Vehicle can occur due to several reasons: * Driving onto a pickup or tall trailer in high range. * Starting out going up a steep incline. * Driving at low RPM or ground speed (3-7 MPH). * Insufficient warm-up at low ambient temperatures. * Slow/easy clutch engagement. * Towing/pushing at low RPM/low ground speed. * Utility use/plowing. * Stuck in mud or snow. * Climbing over large objects from a stopped position. * Belt slippage from water or snow ingestion into the PVT system. * Clutch malfunction. * Poor engine performance. * Slippage from failure to warm up belt. * Wrong or missing belt. * Improper break-in.
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Linda SellersAug 4, 2025
What to do if my Polaris Utility Vehicle engine stops or loses power?
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  Robin MillerAug 4, 2025
  If your Polaris Utility Vehicle engine stops or loses power, the following could be the cause: * 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. * 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. * Overheated engine. Clean radiator screen and core, clean engine exterior.
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Sandra RogersAug 8, 2025
What to do if my Polaris Utility Vehicle engine runs irregularly, stalls, or misfires?
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  racheltaylorAug 8, 2025
  If your Polaris Utility Vehicle engine runs irregularly, stalls, or misfires, consider these potential causes: * Fouled or defective spark plug. Inspect, clean and/or replace spark plug. * Incorrect spark plug gap or heat range. Set gap to specs or replace plug. * Loose ignition connections. Check all connections and tighten. * Water present in fuel. Replace with new fuel. * Low battery voltage. Recharge battery to 12.8 VDC. * Incorrect fuel. Replace with recommended fuel. * Clogged air filter. Inspect and clean or replace. * Clogged intake pre-filter. Inspect and clean (with soapy water) or replace.