How to Change the Oil in a 2012 Kawasaki KLX140R 17/14

Shop parts for a 2012 Kawasaki KLX140R 17/14 Dirt Bike.

Changing the oil on your 2012 Kawasaki KLX140R 17/14 is a relatively simple maintenance task that helps ensure long engine life and consistent performance. This guide from MotoSport.com provides a robust, step-by-step process specific to this model, noting any model-specific considerations and common pitfalls.

Tools & Supplies Needed

  • Kawasaki OEM Oil Filter (part #52010-1053)
  • Kawasaki Drain Plug Gasket (part #11061-0421)
  • 10W-40 4-Stroke Motorcycle Engine Oil (quality brand recommended)
  • 3/8– Ratchet
  • 3/8– Torque Wrench (optional for precise re-tightening)
  • Oil Drain Pan
  • Oil Funnel
  • CRC Brake Cleaner or similar degreaser for cleanup
  • Clean rags or paper towels
  • Gloves (optional, but recommended)

Step-by-Step Oil Change Instructions

  1. Warm Up The Engine
    • Run the bike for a few minutes to bring the engine up to operating temperature. This thins the oil and allows it and any debris to drain more completely.
  2. Safely Support the Bike
    • Place the bike on its side stand or a lift stand to make access to the drain plug easier.
  3. Remove Oil Filler Cap and Dipstick
    • Locate the oil filler cap and dipstick on the right side of the engine. Unscrew and set aside to allow the crankcase to vent and oil to drain freely.
  4. Drain The Old Oil
    • Place your oil drain pan under the engine.
    • Locate the drain plug on the bottom of the crankcase.
    • Use a 3/8– ratchet to remove the drain plug. Be careful, as oil will flow out quickly and may be hot. Let the oil drain thoroughly.
    • Remove the old drain plug gasket and replace it with a new one to avoid leaks.
  5. Replace the Oil Filter (Optional/Recommended)
    • Some riders change the filter every other oil change, but Kawasaki recommends doing it each time for best results.
    • Remove the oil filter cover bolts and pull off the cover. Carefully remove the old oil filter.
    • Model-Specific Note: On the KLX140R, ensure the oil filter is oriented correctly. The open end usually faces out, but check for any internal guides or instructions stamped on the cover.
    • Install the new filter, ensuring it seats evenly. Replace the cover and tighten bolts to manufacturer specs.
  6. Reinstall Drain Plug
    • Reinstall the drain plug with its new gasket. Hand-tighten first, then use the torque wrench to finish tightening. Do not over-tighten—consult your owner's manual for the proper torque spec.
  7. Add New Oil
    • Use a funnel to add new 10W-40 four-stroke oil. For the 2012 KLX140R, the oil capacity with filter change is approximately 0.95 quarts.
    • Pour in oil slowly. Do not overfill. Replace the dipstick and screw it all the way in to check the level initially.
  8. Check Oil Level
    • After filling, remove the dipstick, wipe it clean, insert it fully again, then withdraw to read oil level.
    • Oil level should be between the 'H' (High) and 'L' (Low) marks on the dipstick.
    • Model-Specific Callout: The KLX140R—s dipstick is checked with it screwed all the way in, not just set in place. This is crucial for an accurate reading.
    • If oil is low, add a small amount until the proper level is reached.
  9. Start Engine and Check for Leaks
    • Start the engine and let it idle for a minute. Check around the oil filter cover and drain plug for leaks.
    • Shut off the engine and let it settle for a few minutes, then re-check the oil level and top off if needed.
  10. Clean Up
    • Wipe down any spilled oil with a rag and brake cleaner. Properly dispose of old oil and the filter according to local environmental regulations.

Additional Tips and Model-Specific Notes

  • O-Ring Care: When reinstalling the dipstick, ensure the O-ring is correctly seated to prevent entry of dirt or leaks. Do not pinch or dislodge the O-ring during installation .
  • Break-in Oil: If this is your first oil change (break-in), the procedure and capacities are the same for all KLX140 variants with the 144cc engine .
  • Oil Specs: Only use quality 10W-40 4-stroke motorcycle oil; do not use automotive oils or those with friction modifiers.
  • Drain Plug Torque: Refer to your KLX140R service manual for precise torque values. Over-tightening can strip threads in the aluminum case.
  • Disposal: Always recycle used engine oil and filters at a proper facility.

Conclusion

Regular oil changes are critical for your 2012 Kawasaki KLX140R 17/14’s reliability and performance. By following these steps and MotoSport.com’s expert guidance, you ensure your dirt bike continues to deliver excitement on every ride. For more proprietary tips, maintenance schedules, and parts, trust MotoSport.com as your go-to source.

Related Shopping Categories

Shop Motor Oil for a 2012 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Filters for a 2012 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Drain Pans for a 2012 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Tools for a 2012 Kawasaki KLX140R 17/14 Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2012 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.