How to Change the Oil in a 2018 Polaris Sportsman 850 SP

Maintaining your 2018 Polaris Sportsman 850 SP is crucial for optimal performance and longevity. One of the most important maintenance tasks is changing the oil. Regular oil changes ensure that your engine runs smoothly and efficiently. Follow these steps to change the oil in your ATV.

Shop parts for a 2018 Polaris Sportsman 850 SP ATV.

Tools and Materials Needed

  • Oil filter wrench
  • Drain pan
  • Socket wrench set
  • New oil filter
  • 4 quarts of 5W-50 synthetic oil
  • Funnel
  • Clean rags

Step-by-Step Guide

1. Prepare Your ATV

Ensure your ATV is on a level surface and the engine is cool. This prevents burns and ensures accurate oil drainage.

2. Remove the Drain Plug

Place the drain pan under the engine. Use a socket wrench to remove the drain plug located at the bottom of the engine. Allow the old oil to completely drain into the pan.

3. Replace the Oil Filter

Use the oil filter wrench to remove the old oil filter. Before installing the new filter, apply a small amount of new oil to the rubber gasket on the top of the filter. Screw the new filter into place by hand until it is snug.

4. Reinstall the Drain Plug

Once the oil has fully drained, reinstall the drain plug and tighten it securely with the socket wrench.

5. Add New Oil

Using a funnel, pour approximately 3.5 quarts of new 5W-50 synthetic oil into the oil fill port. Check the oil level with the dipstick and add more oil if necessary until it reaches the full mark.

6. Check for Leaks

Start the engine and let it run for a few minutes. Check around the oil filter and drain plug for any leaks. If there are no leaks, turn off the engine and recheck the oil level, adding more if needed.

Important Notes for the 2018 Polaris Sportsman 850 SP

The 2018 Polaris Sportsman 850 SP is equipped with a powerful engine that requires regular maintenance to perform at its best. Always use the recommended oil type – 5W-50 synthetic – to ensure proper lubrication and protection. Additionally, regularly check the air filter and coolant levels to maintain overall engine health.

By following these steps, you can ensure your Polaris Sportsman 850 SP remains in top condition, ready for any adventure you throw its way.

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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.