How to Change the Oil in a 2018 KTM 690 Enduro R

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Changing the oil in your 2018 KTM 690 Enduro R is an essential maintenance task that ensures engine longevity and performance. This bike, unlike many others, requires attention to its dual oil filters and two internal screens. While the job is straightforward with the right know-how, there are some specific quirks about the 690 you need to watch out for. Follow these steps, and your bike will be running smoother and stronger for every new ride.

Tools and Supplies Needed

  • Motor oil: 10W-60 fully synthetic (approximately 1.7 liters recommended)
  • Oil filters (2): One long and one short
  • Replacement O-rings and copper washers for the drain plugs
  • Sockets and wrenches (8mm, 13mm, and 24mm)
  • Screwdrivers (flat-head and Phillips)
  • Drain pan
  • Funnel
  • Rags and gloves
  • Parts cleaner or brake cleaner for screens
  • Torque wrench
  • Skid plate removal tool (typically a socket/ratchet or Allen key)

Specific Call-Outs for the 2018 KTM 690 Enduro R

  • This bike features two oil filters (short and long) and two oil screens–both should be replaced/cleaned at each oil change for optimal protection

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  • The process is more involved compared to other bikes—patience and attention to detail are important

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  • Check and clean the magnetic drain plugs and replace their crush washers every time.
  • Never over-tighten plugs or use power tools on delicate aluminum threads.
  • Warm the bike, but do not make it hot—just idling for a few minutes is enough. Hot oil drains better but can burn you if overheated

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Step-by-Step Instructions

  1. Warm up the engine by letting it idle for 3–5 minutes. This helps the oil drain out smoothly with minimal residue.
  2. Secure the bike on a stand or side stand. The bike should be close to level for accurate draining and refill measurements.
  3. Remove the skid plate. Use the appropriate tool to take out the bolts—usually just two in the front—and set the plate aside so you can easily access the drain plugs and filters

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  4. Locate and remove the drain plugs. There are two main drain bolts beneath the motor: one near the oil pan and a second closer to the engine's front. Use your drain pan to catch the old oil.
  5. Remove and clean the oil screens. Both screens are located near the drain plugs. Take them out, inspect for debris, and clean thoroughly using parts cleaner. Replace their O-rings or washers if worn.
  6. Remove the oil filters. One is on the right side (long filter) and the other on the left (short filter). Carefully remove their covers, noting the different lengths and orientation. Replace each filter with a new one. Lightly oil the rubber seals before installation for a snug fit.
  7. Inspect and clean the magnetic drain plugs. Wipe away any metal shavings; if you find lots of debris, it could indicate significant engine wear.
  8. Reinstall oil screens and drain plugs using new washers. Finger-tighten each bolt, then use a torque wrench to tighten to the manufacturer’s specifications (usually around 15 Nm, but check your manual for exact numbers).
  9. Replace oil filter covers. Ensure each is fitted with a fresh O-ring and is tightened securely, but do not over-torque.
  10. Add fresh oil. Use a funnel and pour in 1.7 liters of high-quality synthetic 10W-60 oil. Replace filler cap.
  11. Start the bike and let it idle for 1–2 minutes. This allows oil to circulate and fill the new filters. Do not rev the engine hard—just let it idle

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  12. Shut off the engine and let the bike sit for 5 minutes. This lets oil settle for an accurate reading

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  13. Check oil level using the sight glass. The correct level is between the markers. If oil is low, top up a little at a time. Do not overfill.
  14. Reinstall the skid plate.
  15. Dispose of old oil, filters, and washers at a recycling center.

Pro Tips for the 2018 KTM 690 Enduro R

  • Always double-check O-rings and washers for damage or flattening, as leaks can be common due to high engine vibration.
  • Don’t skip cleaning the screens: missing this step allows contaminants to circulate in your fresh oil

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  • Start the job with all tools and parts prepped. This bike’s multiple screens and filter locations can get messy.
  • Running the engine with dry filters for a few seconds is ok, but get oil circulating as soon as possible to prevent a dry start

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Changing the oil on a 2018 KTM 690 Enduro R is more involved than many bikes, but regular maintenance keeps this top-tier machine performing at its best. Take care, and your next trail adventure will be trouble-free.

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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.