Polaris SPORTSMAN ACE 570 User Manual (English)

Questions and Answers:

M
Mark ValentineAug 5, 2025
Why is my Polaris SPORTSMAN ACE 570 engine backfiring?
- G
  garciaseanAug 5, 2025
  Your Polaris Utility Vehicle engine might be backfiring due to: * A weak spark from the spark plug; inspect, clean, and/or replace the spark plug. * An incorrect spark plug gap or heat range; set the gap to specifications or replace the plug. * Old or non-recommended fuel; replace with fresh, recommended fuel. * Loose ignition connections; check all connections and tighten them. * Water present in the fuel; replace with fresh recommended fuel.
J
Jennifer BaileyAug 14, 2025
What to do if my Polaris SPORTSMAN ACE 570 engine turns over but fails to start?
- V
  Valerie Barnes MDAug 14, 2025
  If your Polaris Utility Vehicle engine turns over but doesn't start, the following could be the reasons: * The vehicle is out of fuel, in which case you should refuel. * There is water present in the fuel; you should drain the fuel system and refuel. * The fuel is old or not recommended; replace it with fresh, recommended fuel. * The spark plug is fouled or defective; inspect and replace if needed. * There is no spark to the spark plug; inspect the plug and replace if necessary. * The battery voltage is low; recharge the battery to 12.8 VDC.
C
catherinemartinAug 18, 2025
Why does my Polaris Utility Vehicle engine stop or lose power?
- R
  robin64Aug 18, 2025
  Your Polaris Utility Vehicle engine might stop or lose power due to several reasons: * The vehicle may be out of fuel, so refuel. * There might be a kinked or plugged fuel vent line; inspect and replace it. * Water may be present in the fuel; replace with new fuel. * The spark plug could be fouled or defective; inspect, clean, or replace it. * The spark plug gap or heat range might be incorrect; set the gap to specifications or replace the plug. * Ignition connections might be loose; check all connections and tighten them. * The battery voltage could be low; recharge the battery to 12.8 VDC. * The fuel could be incorrect; replace it with fresh, recommended fuel. * The air filter might be clogged; inspect and clean or replace it.
J
Jennifer WrightAug 23, 2025
What causes a Polaris SPORTSMAN ACE 570 engine to run irregularly, stall, or misfire?
- M
  Mr. Randy Parker IIAug 23, 2025
  A Polaris Utility Vehicle engine may run irregularly, stall, or misfire due to: * A fouled or defective spark plug; inspect, clean, or replace the spark plug. * Incorrect spark plug gap or heat range; set the gap to specifications or replace the plug. * Loose ignition connections; check all connections and tighten them. * Water in the fuel; replace with new fuel. * Low battery voltage; recharge the battery to 12.8 VDC. * A kinked or plugged fuel tank vent line; inspect and replace it. * Incorrect fuel; replace with recommended fuel. * A clogged air filter; inspect and clean or replace it. * Low or contaminated fuel; add or change fuel and clean the fuel system. * Low octane fuel; replace with recommended fuel.
P
Peter JonesAug 27, 2025
What causes my Polaris SPORTSMAN ACE 570 Utility Vehicle engine to ping or knock?
- P
  pstevensAug 27, 2025
  If your Polaris Utility Vehicle engine is pinging or knocking, it could be due to: * Poor quality or low octane fuel; replace with recommended fuel. * Incorrect spark plug gap or heat range; set the gap to specifications or replace the plug.
R
Ruth Santiago MDAug 31, 2025
What to do if my Polaris SPORTSMAN ACE 570 Utility Vehicle engine doesn't turn over?
- M
  Marvin MoodyAug 31, 2025
  If your Polaris Utility Vehicle engine doesn't turn over, check the following: * Ensure the battery voltage is at 12.8 VDC by recharging the battery. * Check for loose battery connections and tighten them. * Check for loose solenoid connections and tighten them. * Inspect, clean, and reinstall the electronic control box connectors.