How to Change the Oil in a 2017 Suzuki DRZ400SM: Step–by–Step Guide

Shop parts for a 2017 Suzuki DRZ400SM Dirt Bike.

Changing the oil in your 2017 Suzuki DRZ400SM is essential for maintaining engine performance and prolonging the life of your dirt bike. While the DR-Z400 series has had minimal changes since early 2000s, some steps and requirements remain specific to your 2017 SM model. The following guide provides everything you need to complete a robust oil change and highlights important call-outs to keep your bike running smoothly.

Tools and Supplies Needed

  • Ratchet
  • 8mm, 12mm, and 17mm sockets
  • Torque wrench
  • Drain pan
  • OEM or quality oil filter
  • 10W-40 motorcycle oil (minimum 1.8 liters or 1.9 quarts for oil and filter change)
  • Funnel
  • Safety gear (gloves, glasses)
  • Clean rags
  • Replacement washer or crush washer for drain bolt (recommended)

Before You Start

  • Ensure your bike is parked on a stable, level surface and the engine is cool to the touch.
  • If your model has a skid plate installed, remove it for easier access to the drain bolts.

Step–by–Step Oil Change Process

  • 1. Remove the Oil Filler Cap/Dipstick
    Unscrew and remove the oil filler cap/dipstick (located on the top of the frame, behind the steering head). This allows the engine and frame to vent, enabling oil to drain more smoothly and quickly.
    Tip: Wipe the dipstick clean and set aside on a lint-free rag.
    Call–out: For the 2017 DRZ400SM, use the correct filler–do not cross–thread aluminum threads. Ensure you don't drop anything into the oil fill tube.
  • 2. Drain Oil from the Engine Crankcase
    Place your drain pan under the center of the engine. Locate the 17mm drain bolt underneath the engine crankcase and carefully loosen and remove it. Let the old oil drain completely.
    Inspect the drain bolt and washer; if the washer is deformed or damaged, replace it with a new one to prevent leaks when reinstalling.
  • 3. Drain Oil from the Frame Reservoir
    The DRZ400SM has a dry–sump system—oil is also stored in the lower part of the frame. Move your drain pan under the lower frame section and use a 12mm socket to remove the second drain bolt and washer. Allow this reservoir to drain fully.
  • 4. Replace and Torque Drain Bolts
    When oil has finished draining from both locations, reinstall the drain bolts and washers.
    Call–out: Torque the engine 17mm crankcase drain bolt to 15 ft–lbs and the 12mm frame drain bolt to the manufacturer's specification (refer to your service manual for the most accurate figure, but generally “snug” and not overtightened).
  • 5. Replace the Oil Filter
    Locate and unbolt the oil filter cover (typically three 8mm bolts on the right side near the clutch cover). Remove the cover and the old oil filter. Ensure that the rubber O–ring and spring are present and remain in place.
    Wipe away any old oil, then insert the new filter (noting the direction if applicable), reinstall the cover, and tighten bolts evenly. Do not overtighten to avoid stripping soft aluminum.Call–out: Replace the housing O–ring if it is cracked or worn out.
  • 6. Refill with Fresh Oil
    Insert your funnel into the oil fill port and pour in 1.8 liters (1,800 ml) of 10W–40 motorcycle–specific oil when replacing both oil and filter.
    Call–out: The 2017 DRZ400SM requires 1.8L of oil with a filter change; 1.7L if not replacing the filter. Do not overfill–too much oil can cause engine or seal damage.
  • 7. Check Oil Level
    Reinstall the filler cap/dipstick, start the bike, and let it idle for 5 minutes, allowing oil to circulate throughout the engine and frame.
    Shut off the engine and allow the oil to settle for a few minutes, then remove the dipstick and check the level. Top off if necessary, but never exceed the upper mark.
  • 8. Reinstall Any Removed Parts
    If you took off a skid plate or any other components, reinstall and securely fasten them.
  • 9. Clean Up and Final Check
    Wipe away any spills with a rag and check for leaks around the drain bolts and oil filter cover. Dispose of used oil responsibly at an approved recycling center.

2017 DRZ400SM Specific Tips and Call–Outs

  • The oil system is a dry–sump; always drain both the crankcase and frame reservoir for a complete oil change.
  • Oil capacity is 1.8L with filter change; always use a JASO MA–rated 10W–40 motorcycle oil for wet clutch compatibility.
  • The frame contains a hidden oil screen filter accessible during a full service. Consider cleaning this screen if you suspect engine debris or if it hasn't been checked in several oil changes (consult your service manual).
  • Be careful not to overtighten the drain bolts; aluminum threads are easily stripped.
  • Change interval: Suzuki recommends oil change every 3,500 miles after the initial break–in; however, frequent oil changes (e.g., every 1,500–2,000 miles) are common among dirt and dual–sport riders for longevity.

Conclusion

Performing an oil change on your 2017 Suzuki DRZ400SM is straightforward with the right tools and steps. Attention to detail, correct specifications, and using the proper oil and filter will ensure many more trouble-free miles on and off road.

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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.