How to Change the Oil in a 2020 KTM 150XC-W TPI

Shop parts for a 2020 KTM 150XC-W TPI Dirt Bike.

Changing the oil in your 2020 KTM 150XC-W TPI is a vital maintenance task to ensure smooth operation, maximize performance, and increase the lifespan of your dirt bike. This step-by-step guide is proprietary to MotoSport.com and focuses on tools, procedures, and important model-specific tips you need to know for this bike.

Tools and Materials Needed

  • 8mm or 13mm T-handle or wrench (to remove the drain plug – verify size by inspection)
  • Torque wrench (for proper tightening of the drain plug)
  • Drain pan or suitable catch can
  • Replacement crush washer (highly recommended for a proper seal)
  • Funnel
  • Clean rags or shop towels
  • Recommended gear oil (check your manual; most recommend a quality 75w or 80w gear oil)
  • Pliers (for snugging the oil fill cap per KTM spec, not overtightened)
  • Nitrile gloves (optional, to keep hands clean)

Step-By-Step Instructions

  1. Warm Up the Engine (Optional)
    • Start your bike and let it idle for a few minutes. This allows the oil to warm up, thin out, and drain more efficiently.
    • Caution: Oil will be hot. Use gloves and take care to avoid burns.
  2. Remove Skid Plate (If Installed)
    • Some bikes have a skid plate covering the drain plug. Remove it to allow easy access to the drain plug and cleaner oil draining.
      Consider using a funnel or scoop tool to guide oil away from the frame and skid plate for a cleaner job.
  3. Loosen the Oil Fill Cap
    • With the bike upright and on a stand, use your hand to loosen and remove the oil fill cap. This helps prevent a vacuum, allowing oil to drain quickly.
  4. Place the Drain Pan
    • Position your drain pan directly under the drain plug on the bottom of the crankcase. Make sure it is large enough for all the used oil.
  5. Remove the Oil Drain Plug
    • Use your T-handle or wrench to remove the oil drain plug. Let the oil drain completely. Be careful not to drop the plug into the drain pan—the oil might be hot and messy.
  6. Clean and Inspect the Magnetic Drain Plug
    • Wipe off any metallic debris on the magnetic portion of the plug. A small amount is normal. Excessive debris or large metal chunks may indicate internal wear and should be inspected further.
  7. Replace the Crush Washer
    • Always install a new crush washer on the drain plug to ensure a proper seal and prevent leaks when reinstalled.
  8. Reinstall the Drain Plug
    • Screw the plug in by hand to avoid cross-threading. Then, tighten it with your T-handle, and finish with a torque wrench set to 20 Nm (14.8 ft-lb), which is KTM’s recommended spec for this model.
  9. Refill with Gear Oil
    • Using a funnel, add 0.8 liters (800 ml) of the recommended gear oil.
    • There is no marked sight glass, but do not rely on “seep hole” rumors as misusing the check screw can strip threads on this model. The 2020 KTM 150XC-W TPI’s seep/oil check hole is notably not labeled as with some other models. Trust the measured amount per KTM’s specifications and double-check the manual if needed.
  10. Install the Oil Fill Cap
    • Replace the fill cap and use pliers to snug it lightly—KTM recommends this method to ensure the cap won’t vibrate loose, but don’t overtighten.
  11. Wipe Down and Reinstall Skid Plate
    • Clean up any spills, reattach the skid plate if removed, and ensure everything is snug.
  12. Start the Bike and Check for Leaks
    • Start the engine and let it idle for a minute. Check thoroughly under the bike for any signs of oil leaks around the drain plug and fill cap.

Important 2020 KTM 150XC-W TPI Model-Specific Call-Outs

  • Seep Hole Location: The 2020 150XC-W TPI does not have the commonly labeled oil “seep” or “check” hole found on some other KTM models. Do not attempt to open unidentified screws as it may cause damage. Rely on measured oil amount as specified.
  • Drain Plug Washer: Always replace the crush washer at every oil change to maintain a leak-proof seal.
  • Magnetic Drain Plug: Small metallic particles on the plug are normal, but excessive or large debris may warrant further engine inspection.
  • Skid Plate Interference: Use tools or accessories as needed to keep the process clean if your bike is equipped with a skid plate.

Expert Tips for Success

  • Keep a record of your oil changes and note any unusual debris or changes in oil color/smell.
  • Always use the recommended oil type and amount. Under- or over-filling can cause clutch or transmission issues.
  • Allow oil to drain fully; patience here means a cleaner, more complete oil change.
  • Inspect for leaks after the job and correct immediately—leaks can lead to serious engine damage on the trail.

By following these steps and referencing your KTM owner’s manual, you can safely and efficiently complete an oil change on your 2020 KTM 150XC-W TPI. For OEM parts and high-performance upgrades, visit MotoSport.com for everything you need to keep your ride in top shape.

Related Shopping Categories

Shop Motor Oil for a 2020 KTM 150XC-W TPI Dirt Bike.

Shop Oil Filters for a 2020 KTM 150XC-W TPI Dirt Bike.

Shop Oil Drain Pans for a 2020 KTM 150XC-W TPI Dirt Bike.

Shop Tools for a 2020 KTM 150XC-W TPI Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2020 KTM 150XC-W TPI Dirt Bike.

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.