Most Polaris Off-Road Vehicles require unleaded gasoline with a minimum pump octane number of 87. Do not use fuel with an ethanol content greater than 10 percent. Octane in excess of 87 will not damage the engine but typically will not result in performance gains.
The exceptions to that rule are RZR Turbo and Pro XP models. They require unleaded fuel with an octane number of 91. Do not use fuel with a rating lower than 91 and do not use fuel with an ethanol content greater than 10 percent. Octane in excess of 91 will not damage the engine but typically will not result in performance gains.
Also be aware that fuel is mixed differently depending on the season. Summer fuel has a low Reid Vapor Pressure (RVP), which makes it less likely to evaporate in warm weather riding. This prevents vapor lock issues. Winter fuel has a higher RVP, which increases evaporation to ease starting in cold weather conditions. So in winter, it’s important to drain your tank and fill it with fresh fuel from a high volume gas station. This ensures your fuel is a winter blend. After filling the tank, run the engine for 10 to 15 minutes. This will fill the fuel system with the fresh winter-blended fuel.
When refueling remember that gasoline is highly flammable and explosive under certain situations. Use the following safety precautions:
- Always exercise extreme caution when handling gasoline. Never allow a child to refuel or handle gasoline.
- Always turn off the engine when refueling.
- Always refuel outdoors or in a well-ventilated area free of any source of flame or sparks.
- Never carry fuel or other flammable liquids in your vehicle. Failure to follow this instruction could lead to serious burns or death.
- Do not smoke or allow open flames or sparks in or near the area where refueling is performed or where gasoline is stored.
- To prevent fuel from spilling, do not overfill the tank. Do not fill the tank neck.
- If gasoline spills on your skin or clothing, immediately wash it off with soap and water and then change your clothing.
To find the location of your vehicle's fuel cap, consult your Owner's Manual.
For more information on Off-Road Vehicle fuel, listen to the Choosing the Right Oil and Fuel episode of the Polaris Podcast.
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