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Kawasaki KR 250
1975
1975
The 1975 Kawasaki KR250 was a groundbreaking motorcycle, marking Kawasaki's serious entry into the competitive 250cc two-stroke racing scene. While not directly related to later KR models in design, it represents the genesis of Kawasaki's efforts in this category. It directly challenged established players like the Yamaha TZ250, aiming to dominate on the track.
At the heart of the KR250 lies a potent 247.0 ccm engine, a liquid-cooled two-stroke parallel twin. This powerplant produced a substantial 55.0 HP (40.1 kW) at a screaming 12000 RPM. Torque was equally impressive for its displacement, generating 47.5 Nm (4.8 kgf-m or 35.0 ft.lbs) at 10000 RPM. All of this translates to a top speed of 241.4 km/h (150.0 mph). The KR250's relatively light weight of just 104.0 kg (229.3 pounds) further enhanced its acceleration and handling, making it a formidable competitor.
The riding experience of the KR250 was decidedly track-focused. The ergonomics prioritized control and responsiveness over long-distance comfort. Rearset pegs and low handlebars placed the rider in an aggressive stance, ideal for attacking corners. Its light weight made it nimble and responsive, and the powerful engine allowed for quick acceleration out of turns. It demanded a skilled rider to truly extract its potential.
The Kawasaki KR250 was not intended for the casual rider. Its target audience consisted primarily of experienced racers and privateer teams looking for a competitive machine in the 250cc class. Though its production run was short, it successfully showcased Kawasaki's engineering prowess and set the stage for future innovations in two-stroke technology. It was a dedicated race bike that prioritized speed and agility above all else.
✅ Why buy this bike?
• Lightweight and nimble handling due to its small size and relatively low weight, making it agile in corners and city traffic. • Potent two-stroke engine provides a thrilling power-to-weight ratio, offering quick acceleration and exciting performance for its class. • Simple mechanical design makes it relatively easy to maintain and repair, appealing to riders with basic mechanical skills. • Classic vintage styling gives it a unique and appealing aesthetic for collectors and enthusiasts of older motorcycles. • Relatively inexpensive to purchase compared to larger displacement motorcycles, making it an accessible entry point for new riders. • Strong community support with available resources and parts, aiding in restoration and upkeep of the motorcycle.⚠️ Things to consider
• Two-stroke engine requires pre-mixing oil with fuel, adding inconvenience compared to modern four-stroke motorcycles. • Limited top speed and overall performance compared to modern motorcycles, making it less suitable for long-distance highway riding. • Vintage parts can be difficult to source and may be expensive, potentially increasing the cost of ownership and restoration. • Two-stroke engine emissions are higher than modern four-stroke engines, contributing to environmental concerns and potential restrictions. • Braking and suspension technology are outdated compared to modern standards, impacting overall safety and handling performance.With 55 HP, requires full Class A license. Riders must be 24+ or have 2 years A2 experience (20+).
Estimated average for 247cc class: 55-80 mpg (3.0-4.5 L/100km)
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