KLX140 Dirt Bike Review – Who’s It Good For?

Looking for the best beginner bike? Maybe you’re considering which bike would be best for your wife or a girl in your life like I was for my wife. This is a quick guide and review on Kawasaki’s KLX 140cc trail bike.

The first Kawasaki on the list is the KLX140L, coming in at number 6 for best beginner dirt bikes. The KLX140L is the closest rival to Honda’s CRF150F that you just read about. It has mid-size wheels and a simple, reliable 144cc air-cooled 4-stroke engine.

Lightest, Most Compact Package

The KLX 140L has a one inch lower seat height, and almost 2 inch short wheelbase than the CRF150F. Coming in at 209lbs wet and ready to ride, the 140L is the lightest bike in it’s class. It’s an excellent dirt bike for teens, females, riders 5’6″ and shorter, or if you just want to start out on a nice, compact set of wheels.

Kawasaki KLX140L Beginner Dirt Bike
Kawasaki KLX140L

Simple, No-Nonsense, Reliable Machine

Much like most of the other bikes in this guide to buying the best beginner dirt bike, the KLX140L is a very basic and homely platform. The air-cooled engine is durable, the suspension is simple, yet plush and friendly to new riders.

KLX140L Final Impressions?

Lowest seat height? Check. Electric start? Check. Cheap to buy? Check. If you’re looking for the best mid-size beginner dirt bike, the KLX140L is as good as it gets.


  • Lowest seat height
  • Great handling; lowest CoG
  • Lightest on the list
  • Electric start
  • Simple, reliable
  • Quieter than most dirt bikes
  • Low cost, new and used


  • Smaller wheels (compared to a full size dirt bike)
  • Small chassis; not good for tall riders
  • No back-up kick-start
  • It’s green? (or maybe you like the color green!)
Kawasaki KLX140L Review

Kawasaki KLX140G

Wait, didn’t I just read about the KLX140? Yep, but the KLX140G is a newer version that Kawasaki updated for riders that want a full-size dirt bike, but still like everything else about the little 140.

Kawasaki KLX140G Beginner Dirt Bike
Kawasaki KLX140G

The 140G has full-size wheels (21/18″), so the seat height and wheelbase are taller and longer. It only weighs 9lbs more, so it’s still lightweight compared to the rest of the pack.

KLX140G Final Impressions?

The KLX140G has the lowest seat height and is the lightest full-size 4-stroke dirt bike on this list. It may not have a lot of power, but it will be the easiest to ride.

With an MSRP of well under $4,000, this is a very affordable beginner bike. They’ve already been around for a few years, so waiting to find a used one can save you even more cash that could be spent on proper riding gear and gas.


  • Very low seat height (33.9″)
  • Only 218lbs wet
  • Full-size wheels
  • Electric start
  • Low CoG
  • Reliable
  • Cheap for a full-size dirt bike


  • Low power output
  • Similar cockpit size as the KLX140L
  • No back-up kick-start
  • It’s green?
Kawasaki KLX140G Review

Kelley Fager

I help new riders learn how to safely ride and understand how to tune and fix their dirt bike in their garage.

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