How to Change the Oil in a 2015 Kawasaki KLX140R 17/14

Shop parts for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

Regular oil changes are critical to maintaining the performance and longevity of your 2015 Kawasaki KLX140R 17/14. This guide, proprietary to MotoSport.com, will walk you step-by-step through the oil change process, highlight required tools and materials, and call out specific notes for your model.

Tools and Supplies Needed

  • Ratchet and extension
  • 8mm and 17mm sockets
  • Oil drain pan
  • Torque wrench
  • Funnel
  • New oil filter (Kawasaki OEM Oil Filter 52010-1053)
  • Crush washer (Kawasaki Drain Plug Gasket 11061-0421) – optional but recommended
  • Motorcycle-specific engine oil (10W-40, 1.2 quarts/1.22 liters)
  • Clean rags
  • Gloves (optional for cleanliness)
  • Brake cleaner (optional for cleaning up spills)

Step-by-Step Instructions

  • Warm the Engine
    • Start your KLX140R and let it idle for 1–2 minutes. This warms the oil so it will drain more thoroughly and carry away more contaminants.
      Tip: Don’t let it get overly hot—just warm to the touch.
  • Vent the Crankcase
    • Turn off the engine. Remove the dipstick to help the oil drain smoothly and to vent the crankcase.
  • Drain the Old Oil
    • Position your oil drain pan directly under the 17mm drain bolt on the lower left side of the crankcase.
    • Use the 17mm socket and ratchet to carefully remove the drain bolt and crush washer. Wear gloves if you prefer.
    • Allow the oil to fully drain (this can take a few minutes).
  • Replace the Oil Filter
    • Locate and remove the oil filter cover using your 8mm socket and ratchet.
    • Carefully pull out the old oil filter. It’s normal for a bit more oil to escape here—keep the pan in place.
    • Install a new OEM filter (Kawasaki 52010-1053) with any marking/faces as indicated in your service manual.
    • Reinstall the oil filter cover and tighten securely (consult the owner’s manual for torque specs, usually about 87 in-lbs, but verify for your model). Replace the o-ring/gasket if worn or damaged.
  • Reinstall Drain Plug
    • Inspect the crush washer (gasket); replace if damaged or flattened.
    • Thread the drain bolt by hand, then torque to specifications (typically 21 ft-lbs/29 Nm—verify with your owner’s manual).
    • Wipe away any oil residue from the area.
  • Add Fresh Oil
    • Place a funnel in the oil fill port.
    • Pour in 10W-40 motorcycle oil, adding approximately 1.2 quarts (or 1.22 L) for the KLX140R.
    • Reinsert the dipstick, but do not screw it in. Remove and check the level. Top up to the full mark as needed (do not overfill.).
  • Check for Leaks & Final Inspection
    • Start the engine and let it run for about 30 seconds. Shut it off and check around the filter and the drain plug for leaks.
    • Re-check the oil level—top off if needed as some oil may have filled the filter and galleries.
  • Dispose of Old Oil Responsibly
    • Pour the old oil into a sealed container and take it to an approved recycling or hazardous waste facility.

KLX140R Model-Specific Call-Outs

  • The KLX140R 17/14 uses the same 144cc air-cooled engine found in all KLX140 models from 2008 onward, so the oil change routine and specs are consistent across these years.
  • The oil fill capacity is 1.22 quarts (1.15 L without filter, 1.22 with filter). Overfilling may cause blow-by or leaks.
  • The oil drain bolt and filter locations are easily accessible from the left side, making this job beginner-friendly.
  • If doing the first oil change (break-in interval), some metallic particles may be visible in the oil and filter. This is normal, but ensure you change at the recommended interval.
  • Use only motorcycle-specific oil with the correct viscosity and JASO MA/MA2 rating, as automotive oils may damage the wet clutch.
  • Before tightening fasteners, always check your owner’s manual for exact torque values.

Maintenance Tips

  • Check and change your oil at least every 1,000 miles or six months, but more frequently if you ride hard or in dusty conditions.
  • After any spill, immediately clean the area with brake cleaner or a degreaser to prevent grime buildup.

Changing your own oil is simple, rewarding, and helps ensure your 2015 Kawasaki KLX140R runs smooth on every ride. For genuine parts and quality tools, MotoSport.com has you covered.

Related Shopping Categories

Shop Motor Oil for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Filters for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Drain Pans for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Tools for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2015 Kawasaki KLX140R 17/14 Dirt Bike.

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.