How to Change the Oil in a 2016 KTM 350SXF: Step-By-Step Guide

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Tools and Materials Needed

  • 13mm socket or wrench (for the drain bolt)
  • 8mm socket or wrench (for the oil filter cover)
  • Torque wrench (optional, for correct reassembly torque)
  • Pliers or pick tool (for removing the oil screen)
  • Drain pan
  • Funnel
  • New oil filter (OEM or equivalent)
  • Fresh engine oil (refer to KTM manual; typically 10W-50 full synthetic, approximately 1 quart/liter)
  • Gloves and rags (for clean-up)
  • Contact cleaner (for cleaning the oil screen and plug magnet)

2016 KTM 350SXF Oil Change Procedure

  • Warm up the engine for a few minutes (1-2 minutes idling) to thin the oil for easier and more complete draining.
  • Turn off the engine and place the bike on a stable stand upright.
  • Remove the skid plate if equipped. On some models, the plate pops off by pulling a pin; note how it attaches for later reinstallation.
    Specific call-out: KTM makes this straightforward—look for a locking pin under the frame. Just rotate and the plate drops.
  • Locate the drain plug: It is on the left side, underneath the engine, near the frame. Place your drain pan under the plug.
    Remove the drain bolt using the 13mm socket. Allow the oil to drain fully (be patient—it should be hot but not scalding).
  • Inspect the magnetic drain bolt for metal debris. Wipe it clean with a rag and inspect for abnormal metal shavings as this could indicate engine wear.
  • Remove the oil screen (strainer) using a 13mm wrench. If stuck, a pick or small pliers can help pull it out. Clean the screen with contact cleaner and check for debris or obstructions.
  • Remove the oil filter cover: Use an 8mm socket to remove the two bolts securing the oil filter cover. Carefully remove the oil filter; some oil will drain at this stage as well. Note the orientation of the filter for proper reinstallation.
  • Replace the oil filter with a new one. If your KTM has two filters, replace both. Make sure the filter's O-rings are not damaged and properly seated.
    Specific call-out: KTM's oil filters are easy to damage due to overtightening—reinstall the cover nuts by hand first and torque to only about 7.4 Nm (hand tight).
  • Reinstall the oil screen and torque it snugly (do not overtighten). Reinstall the drain bolt and torque to manufacturer specs (approximately 15 Nm, but always check your owner's manual).
  • Add fresh oil through the fill port using a funnel. Pour in just under 1 liter. Reinstall the fill cap.
  • Start the engine and let it idle for 1-2 minutes. This distributes oil throughout the engine and fills the new filter.
    Shut down the engine and let it sit for a minute to allow oil to settle back into the crankcase.
  • Check the oil level using the sight glass (on the side of the engine, near the fill plug while the bike is upright and level). The oil should rest near the center of the glass circle. If low, add small amounts until correct.
  • Reinstall the skid plate and check for any leaks at the drain plug, oil screen, and filter cover.
  • Dispose of old oil and filter responsibly according to local regulations.

Model-Specific Call-Outs for the 2016 KTM 350SXF

  • Magnetic drain bolt: Unique to KTM, this bolt collects fine metal shavings, helping catch engine debris early.
  • Oil screen/strainer: The 2016 350SXF uses a cleanable mesh oil screen. It is crucial to clean it every oil change, as even small obstructions can affect oil flow.
  • Oil filter orientation: Pay careful attention to how the old filter is seated and match the orientation with the new one to prevent dry starts.
  • Oil fill volume: The recommended fill is approximately 1 liter. Do not overfill. Always check with the sight glass–not just how much you've poured.
  • Torque specs: The drain bolt (15 Nm) and oil filter cover (7.4 Nm). These are LIGHT torque values; overtightening risks damage to threads and covers.
  • Frequent oil changes: This model is performance-oriented and benefits from more frequent oil changes, especially after heavy riding or racing.

Final Tips

  • Double-check for any leaks after your first ride post-change.
  • Keep a log of oil changes, filter replacements, and hours ridden—it helps track of your engine's health and maintains warranty compliance.
  • Always use high-quality, motorcycle-specific synthetic oil for best performance and engine longevity.

For more KTM maintenance guides and the best selection of OEM and aftermarket parts, visit MotoSport.com—your one-stop destination for everything dirt bikes.

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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.