Bimota KB4 details revealed


The upcoming Bimota KB4 will use the engine from the Kawasaki Ninja 1000 and use it in a sports bike format.

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The Bimota KB4 will use the same Kawasaki Ninja 1000 engine but will be 41 kg lighter and more compact

The Bimota KB4 has been in the news for over a year now, and test photographs have shown the bike from different angles. Now, the final details of some specs for the new Bimota KB4 have been revealed, ahead of the production model unveiling later this year. The Bimota KB4 is based on the Kawasaki Ninja 1000’s inline four-cylinder engine, but on the KB4 Bimota added its own tubular steel and carbon fiber chassis to replace the original Kawasaki aluminum design.

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Read also: Bimota KB4 production model revealed in latest images


The 1,043cc, 16-valve in-line four-cylinder developing the same 140hp at 10,000rpm and 111Nm of maximum torque at 8,000rpm.

Engine performance remains the same as the Kawasaki’s, however, with the 1,043cc 16-valve inline-four developing the same 140hp at 10,000rpm and 111Nm of maximum torque at 8,000rpm. . However, other than the engine, the Bimota KB4 will be a completely different machine. The KB4 will weigh 41kg less than the Kawasaki Ninja 1000, tipping the scales at 194kg curb weight, while the EU-spec Ninja 1000 weighs 235kg curb weight.

Read also: Next Bimota KB4 spotted on the test


The Bimota KB4 will be a more compact and lighter motorcycle, and will be suitable for track use, with a retro-style sports bike design.

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The Bimota KB4 is also physically smaller than the Kawasaki, with an overall length dropping from 2,100mm to 2,050mm, a width from 825mm to 774mm. Overall height is also lower than the Kawasaki, but the most significant change is the wheelbase, which is 1390mm on the KB4, compared to 1440mm on the Ninja 1000. The reduced wheelbase is the result. moving the front wheel closer to the frame, causing the radiator to move elsewhere. Still, with a short wheelbase, lighter mass and the same performance, the KB4 promises to be an entertaining package, when it comes to production form. More details will be revealed at EICMA 2021 where it is expected to be unveiled.

Read also: Bimota KB4 teased in first frames

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Bimota is an Italian motorcycle brand, founded in 1973 in Rimini, Italy, by Valerio Bianchi, Giuseppe Morri and Massimo Tamburini. The company takes its name from the first two letters of the founders’ last names. Bimota initially focused on building high-quality motorcycles around existing engines, customizing high-end models from Suzuki, Honda, Ducati and Kawasaki. Massimo Tamburini, famous longtime co-founder and chief designer of Bimota, has been an influential player in motorcycle design, especially in the development of other Italian brands like Ducati and MV Agusta. Bimota bikes have had a colorful past, especially in racing, finding success in the early years of the Superbike World Championship.

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