Kawasaki KLX 140L Oil Change 

An important part of owning a dirt bike ride is knowing how to service your machine. 

The first maintenance job every dirt bike rider should learn is how to change the oil. Watch the Kawasaki KLX 140 oil change video above and follow the steps below to perform this oil service maintenance job. 

Tools and Parts Needed – Kawasaki KLX 140 Oil Change

Tools

  • Ratchet and extension
  • 8mm, 17mm sockets
  • Drain pan
  • Torque wrench

Kawasaki KLX 140L oil change service

How to Change Kawasaki KLX 140 Oil

Step 1. Run the engine for a minute to warm the oil, which makes it easier to drain.

Step 2. Remove the dipstick to vent the crankcase, which also helps the oil drain faster. 

Step 3. Position a drain pan under the engine, and remove the 17mm drain bolt and crush washer from the lower left side of the crankcase.

Kawasaki KLX 140 dirt bike oil drain bolt

PRO TIP: The crush washer doesn’t need to be replaced with every oil change, but a new one should be installed after every 3-4 oil changes.

Step 4. Let the oil drain completely, then reinstall the crush washer and drain bolt, and torque it to 13 foot-pounds.

Step 5. Remove the three 8mm bolts from the oil filter cap on the right side of the crankcase. 

NOTE: Be careful not to lose the spring that’s housed under the cap.

Kawasaki KLX 140 oil filter cap

Step 6. Remove the old oil filter, and install the new oil filter with the rubber grommet facing inward.

Kawasaki KLX 140 dirt bike oil filter install

Step 7. Reinstall the oil filter cap, making sure the small triangle on the cap is at the top.

Step 8. Fill the engine with 1.22 quarts of 10W-40 motorcycle oil, then reinstall the dipstick.

Kawasaki KLX 140 oil change

Step 9. Run the engine on idle for about 30 seconds to circulate the oil within the engine, then shut it off and let it sit for a minute so the oil can settle.

Step 10. Remove the dipstick, then wipe it clean and insert it back into the crankcase without screwing it back in. Next, remove the dipstick again and check the oil level. Top off the oil if necessary until the level is correct and you’re done.

Kawasaki KLX140 oil change service

The steps for changing the oil on a Kawasaki motorcycle are the same or similar across all models. However, if you want a more detailed look at changing the oil on a slightly different model, watch the video below to learn how to change the oil on a Kawasaki KLX 110.

 

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