How to Change the Oil in a 2017 Yamaha TTR50

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Changing the engine oil in your 2017 Yamaha TTR50 is an essential maintenance task that keeps your bike running reliably and efficiently. Regular oil changes remove dirt, debris, and contaminants that can reduce engine life and performance. Follow this MotoSport.com proprietary guide for a safe, clean, and effective oil change, plus model-specific tips to protect your ride.

Tools and Materials Needed

  • 10W-40 motorcycle engine oil (Yamalube recommended, do NOT use automotive oils with friction modifiers as this may cause clutch slippage)
  • Oil catch pan or tray
  • 17mm socket (some models may use a 12mm, double check your bike)
  • Socket wrench (3/8")
  • Torque wrench (to safely torque the drain bolt to spec)
  • Narrow funnel
  • Gloves (optional but recommended)
  • Clean rags
  • Replacement crush washer (recommended with every oil change)
  • Motorcycle or dirt bike stand (optional, keeps the bike upright and level)

Specific Callouts for the 2017 Yamaha TTR50

  • Engine Oil Capacity: The bike takes approximately 800ml (0.85 US qt) of oil, but some manuals note 1.06 qt as maximum; always check with your dipstick and do not overfill (overfilling can cause oil to enter the air filter).
  • The drain bolt torque spec is 20 Nm (2.0 kgf·m, 15 lb-ft)–overtightening can damage threads or crush washers.
  • Be sure the bike is on a level surface and warm up the engine for a few minutes before draining for complete oil removal and easier flow.
  • Only use JASO MA or MA2-rated oil, preferably Yamalube. Automotive oil is not recommended because the clutch is lubricated by engine oil and friction additives can cause clutch issues.

Step-by-Step Oil Change Guide

  1. Warm Up Your Engine
    • Start the TTR50 and let it run for 3-5 minutes. This helps suspend contaminants and allows oil to flow out more easily.
    • Shut off engine, set bike securely on a level surface or stand.
  2. Prepare Work Area
    • Gather all tools and materials.
    • Place the oil catch pan directly beneath the engine drain bolt to catch all the oil.
  3. Remove the Drain Bolt
    • Using the 17mm (or 12mm, depending on your bolt) socket and ratchet, carefully loosen and remove the engine oil drain bolt and crush washer. Watch out for hot oil if the engine is still warm.
    • Allow all oil to drain completely. It may help to gently tilt the bike side-to-side for extra drainage.
  4. Replace and Torque the Drain Bolt
    • Inspect and replace the drain bolt crush washer to avoid leaks.
    • Re-install the drain bolt and tighten it with a torque wrench to 20 Nm (15 lb-ft). Do not overtighten as this may damage the threads or bolt.
  5. Add New Oil
    • Remove the oil filler cap. Place a narrow funnel in the filler opening.
    • Pour in about 750 ml of 10W-40 motorcycle oil to start. Do not add the full 800ml at once—it is easier to add more oil than to remove excess.
    • Wait a minute for oil to settle, then check the dipstick: insert, screw down, remove, and check the level.
    • If needed, top off with small increments until the oil level is within the correct range.
  6. Double-Check Your Work
    • Ensure the drain bolt and filler cap are secure.
    • Start the engine and let it idle for a minute. Shut it off, wait a few minutes, then check the oil level again. Top off if needed.
    • Wipe down any spills and properly dispose of the used engine oil according to local regulations.

Maintenance Tips and Model Advice

  • Change the oil every 10-20 hours of riding or as indicated in your owner’s manual.
  • If your TTR50 sits idle for months, change the oil seasonally to protect the engine from condensation and contaminant buildup.
  • Always check for leaks around the drain bolt after your first ride post-change.
  • If your dipstick shows excess oil or you find oil in the airbox, you may have overfilled. Remove excess and monitor engine performance.

Conclusion

Regular oil changes are a simple, affordable way to ensure reliable performance and long life from your 2017 Yamaha TTR50. By following these steps and model-specific tips, you’ll keep your engine protected and your ride ready for the next adventure. For genuine Yamaha parts, approved oils, and more DIY guides, trust MotoSport.com as your go-to source for all things dirt bike.

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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.