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Kawasaki KR 250
1976
1976
The 1976 Kawasaki KR250 was a groundbreaking motorcycle, marking Kawasaki's entry into the quarter-liter racing arena. It served as the progenitor of a lineage that would see Kawasaki become a dominant force in Grand Prix racing. This machine directly challenged established competitors like the Yamaha TZ250, aiming to disrupt the status quo with its innovative engine design and lightweight construction.
At the heart of the KR250 lies a potent 249.0 ccm (15.19 cubic inches) twin-cylinder, two-stroke engine. This configuration allowed for a high power-to-weight ratio, crucial for competitive racing. The engine produced a substantial 47.5 Nm (4.8 kgf-m or 35.0 ft.lbs) of torque at a screaming 10000 RPM. This power output enabled the KR250 to achieve a top speed of 257.5 km/h (160.0 mph) on the track, a testament to its focused engineering and aerodynamic design.
The riding experience on the KR250 prioritized outright performance. Its track-focused ergonomics placed the rider in an aggressive position, ideal for carving through corners. The suspension was stiffly sprung to provide maximum feedback and control, essential for maintaining stability at high speeds. Comfort was a secondary concern, as the KR250 was designed primarily for short bursts of intense riding on closed circuits.
The Kawasaki KR250 of 1976 was targeted at aspiring racers and seasoned competitors alike. It offered a competitive platform for those seeking to prove their skills on the track. While not a machine for casual riding, the KR250's raw power and focused design made it a formidable weapon in the hands of a skilled rider, solidifying Kawasaki's reputation in the world of motorcycle racing.
✅ Why buy this bike?
• Lightweight design contributed to agile handling, making it responsive in corners and during quick maneuvers on the track. • Potent two-stroke engine delivered impressive power for its displacement, offering exhilarating acceleration and competitive top speed. • Relatively simple mechanical design made maintenance straightforward for experienced mechanics, reducing repair complexities. • The KR250's pioneering rotary disc valve induction system enhanced fuel efficiency and improved overall engine performance. • Its racing pedigree and iconic status made it a desirable collectible, appreciating in value among motorcycle enthusiasts. • The narrow engine profile allowed for a slim chassis, further improving handling and rider comfort during races.⚠️ Things to consider
• Two-stroke engines require premixing oil and fuel, adding inconvenience and increasing the risk of incorrect ratios. • Limited production numbers and age make finding original parts challenging and expensive, hindering restoration efforts. • The high-strung two-stroke engine demands frequent maintenance and careful tuning to maintain peak performance and reliability. • Vintage motorcycles lack modern safety features like ABS and advanced suspension, reducing rider safety compared to new bikes. • Two-stroke engines produce more emissions compared to four-stroke engines, potentially facing restrictions in some areas.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 249cc class: 55-80 mpg (3.0-4.5 L/100km)
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