2005 Kawasaki KX Review


Kawasaki took a step in the right direction with the 2005 KX line. Offering both entry-level, as well as powerful two-strokes in the 125 and 250cc class, the models for 2005 consist of the KX65, KX85, KX125, and KX250. Those who are fans of motocross are well aware of the potent capability of the KX125. The beginning of the 21st century saw James Stewart dominate the National Championship series on a lime green, KX125 two-stroke in 2004. For 2005, the 125 remained relatively unchanged, but the flagship 250KX enjoyed several noteworthy changes.

The 2005 Kawasaki KX250 was redesigned and retuned from the top of the engine down. Unfortunately, Kawasaki did little to change the look of the motorcycle to suggest it was the best KX model ever offered to date, and by all accounts, it was. Throttle response was greatly enhanced, and with a few tweaks of the carburetor to match elevation and/or desired performance, the 2005 KX250 outperforms any other Kawasaki off-road cycle that came before it. A talented rider on the KX250 would more than likely prefer its capability over that of some of the Kawasaki 450 four-stroke options.

For riders who are familiar with the ride of the older KX models, saddling the familiar-looking 2005 cycle will surely impress. When kicked to start, everything sounds reminiscent of its predecessors, but with a twist of the throttle and click into gear, it's obvious this is a very different bike. At its essence, the bike serves as an excellent example of Kawasaki raising the bar to better compete with the other major Japanese motorcycle manufacturers. Before 2005, the KX250 served as an excellent option for riders new to trail and track riding, but it simply couldn't compare to the Honda, Yamaha, or Suzuki models. The 2005 model changed everything. Opening the throttle, this bike will keep up with its Japanese brothers.

The 2005 Kawasaki KX250 does still lack in the realm of handling and overall performance, especially when compared to the other motocross bikes in its class, yet it is so much improved in terms of power, that one would find it hard to believe it was actually a Kawasaki power plant. The simple reason for all of the improved performance: the merger of Kawasaki and Suzuki.

The 2005 Kawasaki KX250 operates on a very enjoyable single cylinder two-stroke engine. Though these bikes have become illegal sales production in the United States, loyalists have continued to buy up KX models from the 2005 year, using them for parts, mixing and matching, and enjoying the two-stroke performance as long as possible. 2005 KX250 models are accessible due to the popularity of Yamaha and Suzuki bikes among most enthusiasts who are disinterested in what Kawasaki had to offer. For those in the know, 2005 offered the most equivalent playing field among the 250 two-stroke models. The KX is an excellent, budget-friendly option.

Any experienced motorcycle rider will enjoy a spin on the 2005 Kawasaki KX250. The 37 inch seat height may be somewhat intimidating to novice riders, but a quick sit on the saddle, and potential riders will know that this bike is an easy one to handle.

New For 2005

  • The engine of the 2005 KX250 was overhauled from the top down. It is now a machine more worthy of comparison to its competitor 250 two-strokes. The 2005 125 KX also enjoyed a few changes, but remained relatively similar to its 2004 predecessor.

2005 Kawasaki KX Specs

  • Model: 2005 Kawasaki KX250
  • Engine Type: 249cc single cylinder, liquid cooled two-stroke
  • Bore and Stroke: 2.61 in. × 2.83 in.
  • Compression ratio: 10.5:1
  • Valve Train: Reed valve, variable
  • Induction: Carburetors
  • Ignition: Digital CDI
  • Transmission: 5-speed
  • Final Drive: Chain
  • Fuel Capacity: 2.2 gal.
  • Estimated Fuel Economy: N/A
  • Brakes (Front): Disc
  • Brakes (Rear): Disc
  • Suspension (Front): 11.8 in.
  • Suspension (Rear): 12.2 in.
  • Rake: 26 degrees
  • Trail: 4.1 in.
  • Wheelbase: 58.3 in.
  • Seat Height: 37.2 in.
  • Curb Weight: 213.8 lbs.
  • Tires (Front): 80/100-21
  • Tires (Rear): 110/90-19


  • Performance Accessories
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  • Race Accessories

Key Competitors For The 2005 Kawasaki KX

  • 2005 Suzuki RM-Z 250
  • 2005 Yamaha YZ