How to Change the Oil in a 2017 Suzuki RMZ450: A Step–by–Step Guide

Shop parts for a 2017 Suzuki RMZ450 Dirt Bike.

Maintaining your 2017 Suzuki RMZ450 by regularly changing its engine oil is crucial for performance and longevity. Suzuki recommends changing the oil every 6 hours of operation for optimal engine health. This guide will walk you through everything you need, highlight model-specific callouts, and take you step-by-step through the process. This tutorial is proprietary to MotoSport.com and is tailored specifically to the 2017 RMZ450.

Tools and Supplies Needed

  • Socket set (8mm, 10mm, and 12mm sockets)
  • Ratchet/T-handle wrench
  • Oil drain pan
  • Fresh engine oil (Suzuki recommends MOTUL 300V 10W-40 or an equivalent high-quality 10W-40 oil with API SF/SG or SH/SJ, JASO MA rating)
  • New oil filter
  • Replacement crush washers/gaskets
  • Gloves
  • Shop rag
  • Funnel (optional, but helpful)
  • Pick or flat-head screwdriver (for oil filter cover)

Preliminary Notes for the 2017 Suzuki RMZ450

  • Engine design: The RMZ450 (2008-2018) shares a similar oiling system, so most procedures carry over, but always double-check specifications in your owner's manual.
  • Oil capacity: Refer to the manual for exact volume; overfilling may reduce performance.
  • Check for leaks on old gaskets/washers and always use fresh ones during reassembly to ensure proper sealing.
  • Oil drain locations: The RMZ450 features two primary oil drain points: the main drain bolt at the bottom and a bolt on the left-side crankcase cover (sometimes referred to as the magneto cover bolt).

Step–by–Step Oil Change Instructions

  1. Warm up the engine:
    • Start the bike and let it idle for a few minutes. This thins the oil for a more complete drain.
    • Turn off the ignition before you begin work.
  2. Prepare the bike and workspace:
    • Place the motorcycle upright on a level surface using a suitable stand.
    • Lay out all tools and supplies for easy access.
    • Put on gloves for safety and cleanliness.
  3. Remove the oil filler cap:
    • This allows air in to help the oil drain out more efficiently.
  4. Remove necessary engine covers:
    • If equipped, remove the left side magneto cover guard using the 8mm socket.
  5. Locate and remove the drain bolts:
    • Place your oil pan under the engine.
    • Use a 10mm or 12mm socket to remove the main oil drain plug located underneath the engine.
    • Next, remove the magneto cover bolt on the left crankcase cover. This allows more oil to drain out of the engine.
  6. Allow the oil to drain completely.
    • Let all the oil drip out. You can tip the bike gently to get the last drops out if needed.
  7. Operate the kick starter (manual advice):
    • With the kill switch engaged (to prevent the engine from starting), depress the kick starter several times (about 10) to help clear residual oil from internal passages.
  8. Replace the crush washers and reinstall drain bolts:
    • Use new crush washers to prevent leaks. Tighten the main drain plug to 12 N·m (8.5 lb-ft) and the magneto cover bolt to 11 N·m (8.0 lb-ft) as specified by Suzuki.
  9. Replace the oil filter:
    • Remove the oil filter cover with a 8mm socket or as required.
    • Take out the old oil filter using a pick or your fingers.
    • Install a new filter, noting correct placement for the spring/check valve (see your manual for orientation).
    • Reinstall the oil filter cover, tightening bolts evenly and to spec.
  10. Add new engine oil:
    • Ensure both drain bolts and the filter are properly installed.
    • Pour the specified amount and type of engine oil into the fill hole using a funnel.
    • Typical fill is approximately 1.1 liters (with filter change); check the manual for exact volume.
  11. Reinstall covers and filler cap:
    • Reattach the magneto cover guard if removed.
    • Install and tighten the oil filler cap.
  12. Check for leaks and oil level:
    • Start the bike and let it idle for a few minutes. Watch for oil leaks around the drain bolts and cover.
    • Turn the engine off, let it sit one minute, then check oil level as described in your manual. Add a small amount if needed.

RMZ450 Model–Specific Callouts

  • The engine design 2008 to 2018 is consistent; however, always verify torque specs and oil capacity for your year. The process described above is applicable for your 2017 model.
  • Do not over-tighten drain plugs. Stripped threads in the aluminum crankcase are a costly repair.
  • Suzuki recommends only using oils that meet JASO MA standards to ensure clutch and transmission compatibility.
  • Some owners report improved clutch life and smoother shifting with premium synthetic oils such as MOTUL 300V 10W-40.

Conclusion

Regular oil changes are one of the most effective ways to protect your 2017 Suzuki RMZ450's engine. By following these steps and using the correct supplies, your bike will continue to perform at its best on the trail or track. If you have any doubts or difficulties, consult your owner's manual or seek out a MotoSport.com service professional.

Keep your engine running strong—make MotoSport.com your one-stop shop for parts, supplies, and expert advice.

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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.