2020 Kawasaki KLX140 Oil and Filter Change - Page 1

Applicable to all KLX140 versions from 2010 onwards (see below)

KLX140 Oil Change Video

Article Last Updated: Jan 30, 2024


2020 Kawasaki KLX140L

This is a step-by-step guide to changing the oil and oil filter on a Kawasaki KLX140. It is based on the author’s observations and experience changing the oil and oil filter on a 2020 Kawasaki KLX140L and on information contained in the official Kawasaki KLX140 service manual, 2020 (part no. 99924-1390-14) which covers model years 2010 - 2021, and models KLX140A/KLX140/KLX140R, KLX140B/KLX140L/KLX140RL and KLX140C/KLX140G/KLX140RF. The author is not aware of any mechanical changes to the KLX140 models for the model years 2022-2024, so this guide should apply to those as well.

Disclosure: While the author has attempted to provide correct and complete information, sometimes errors or omissions may occur. By using this document and following the procedures and advice below, the user assumes all risk and responsibility for injury or damage to their motorcycle. The author has been servicing motorcycles for many years (not as a profession) and is mostly self-taught (no formal training in motorcycle servicing). It is recommended that you consult the Kawasaki KLX140 owner’s manual and/or service manual.

By learning to change the oil and oil filter, you can save money, learn more about your bike, gain the satisfaction of maintaining your bike yourself, as well as saving yourself a lot of inconvenience. There is nothing technically challenging about the procedure. Use the correct tools and supplies for the job, and take your time. Read all of the instructions before beginning.

Parts, supplies and other items you may need

Tools you need or may find helpful

KLX140A / KLX140 / KLX140R: model with 17”/14” wheel combination
KLX140B / KLX140L / KLX140R L: model with 19”/16” wheel combination
KLX140C / KLX140G / KLX140R F: model with 21”/18” wheel combination

Information From Kawasaki KLX140 Service Manual
Recommended service intervals for oil and oil filter replacement
Initial: 5 hours or 1 month
Then: every 50 hours or 6 months

Oil Drain Plug Torque Spec: 18 N.m (13 ft.lb)
Oil Filter Cover Bolt Torque Spec: 8.8 N.m (78 in.lb)
Recommended oil type: API SG, SH, SJ, SL or SM with JASO MA, MA1 or MA2
Oil viscosity: SAE 10W-40
Oil capacity after draining with filter replacement:
2016+ models (KLX140AH~, KLX140BH~, KLX140CH~): 1.15 L (1.22 US qt)
2010-2015 models (KLX140AA~G, KLX140BA~G, KLX140CA~G): 0.95 L (1.00 US qt)
Oil capacity after draining without filter replacement:
2016+ models (KLX140AH~, KLX140BH~, KLX140CH~): 1.13 litres (1.19 US qt)
2010-2015 models (KLX140AA~G, KLX140BA~G, KLX140CA~G): 0.93 L (0.98 US qt)

Service manual instructions

Checking The Oil Level (according to service manual)

Go to the next page for more detailed instructions and photos.