How to Change the Oil in a 2019 KTM 150XC-W

Shop parts for a 2019 KTM 150XC-W Dirt Bike.

Keeping up with regular oil changes is essential for your 2019 KTM 150XC-W's longevity and performance. This guide will take you through all the essential steps, highlight the tools needed, and point out important tips specific to this model.

Tools Needed

  • T-handle socket wrench (for drain and fill caps)
  • Oil catch pan
  • Torque wrench (set to 20 Nm – 14.8 ft-lb)
  • New crush washer (recommended every oil change)
  • Funnel
  • Cleaning rags
  • Pair of pliers
  • Fresh gear oil (0.8 liters recommended for the KTM 150XC-W)

Preparation

  • Start with a warm engine. This helps the oil to drain more completely, carrying away any debris.
  • If your bike has a skid plate, consider removing it for easy access and to minimize mess. If that's not feasible, using an oil drain tool or a homemade splash guard will help direct the oil into your catch pan with less cleanup required .

Step-by-Step Oil Change Instructions

  • Step 1: Remove the Oil Fill Cap
    Take off the oil fill cap before draining. This allows the oil to flow out smoothly and completely .
  • Step 2: Position Drain Pan
    Place your oil catch pan directly below the drain plug under the engine.
  • Step 3: Loosen and Remove the Drain Plug
    Use your T-handle to loosen the drain plug. Be careful, as the oil may be hot if the engine was recently running. Let the oil fully drain out. Try not to drop the plug in the pan .
  • Step 4: Inspect and Clean Drain Plug
    The drain plug is magnetic and may pick up small metallic debris. Wipe it clean—it's normal to see some flecks, especially after break-in .
  • Step 5: Replace Crush Washer
    Always install a new crush washer on the plug to ensure a good seal and prevent leaks .
  • Step 6: Reinstall Drain Plug
    Start the plug by hand, lightly tighten with your T-handle wrench, then finish tightening with your torque wrench to 20 Nm (14.8 ft-lb). Don't overtighten—stripping the threads is costly to fix .
  • Step 7: Add Oil
    Using a funnel, pour in 0.8 liters of the recommended gear oil for your KTM 150XC-W . Take care not to overfill.
  • Step 8: Reinstall Oil Fill Cap
    Reinstall the fill cap and, as KTM recommends, use pliers to snug it lightly so it doesn't vibrate loose during rides .
  • Step 9: Check for Leaks and Oil Level
    Start the engine briefly, then shut it off and wait a minute. Check for leaks around the drain plug and fill cap. Recheck the oil level and top off if necessary.

Specific Call-Outs for the 2019 KTM 150XC-W

  • Correct Fill Amount: Always use 0.8 liters of oil—overfilling may cause excess pressure, while underfilling risks poor lubrication .
  • Oil Weep Hole Location: There are conflicting reports online about "weep hole" and oil level plugs on 150cc KTM and Husqvarna bikes. For the 150XC-W, use the fill and drain plugs only—do not look for a "level" plug or secondary check hole as you might on some other models .
  • Magnetic Plug: Small metal shavings on the magnetic plug are normal. Clean it at every change. Excessive shavings or chunks could suggest internal wear and should be inspected by a dealer .
  • Skid Plate Tips: If you frequently ride rocky terrain and use an aftermarket skid plate, consider acquiring or fabricating a simple oil drainage guide to channel oil past the plate for cleaner oil changes .

MotoSport.com Pro Tip

  • Change your oil more often if you ride in harsh conditions, participate in races, or are breaking in a new engine. Clean oil drastically reduces clutch and transmission wear on two-strokes like the KTM 150XC-W.
  • Keep records of each oil change—including date, oil type, and any observations—to help track maintenance for warranty or resale.

This oil change tutorial is proprietary to MotoSport.com and tailored specifically for the 2019 KTM 150XC-W. Always consult your owner's manual for factory specifications and up-to-date safety recommendations for your dirt bike.

Related Shopping Categories

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Shop Tools for a 2019 KTM 150XC-W Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2019 KTM 150XC-W 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.