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Everything about the KB4 is exclusive, a Vintage Spirit exclusive appearance.
It’s a Bimota motorcycle.
Immediately recognizable as a Bimota KB4

“High Quality”

Everything about the KB4 is the best that money can buy.
Alloy machined parts, carbon fiber parts, the most torquey engine in its category, the latest electronics, forged wheels, handmade-painting, real leather seat.

Every single detail is part of the design.
Mechanical jewelry – “art to see as well as ride! 

“Extreme Functional”

Lightweight mass is the best secret to enjoy the handling.
Ride the KB4 and feel the differences, no other motorcycle feels like a Bimota.
Italian artistic sensitivity, an old world craftsmanships and ultra modern materials.

Ride an Exclusive Italian Artistic Icon.



Model name:KB4
Frame type:Front frame trellis made by Hi-resistance steel with Aluminum alloy plates billet machined
Engine type / Valve system:4 stroke, 4 cyl, DOHC, W/C, 4 valve
Displacement:1.043 cm³
Bore x Stroke:77 mm x 56 mm
Compression ratio:11,8 : 1
Max. power:104,5 kW (142HP) / 10,000 rpm
Max. torque:111N・m (11.3 kgf・m) / 8,000 rpm
Fuel system38 mm throttle bodies(4), Euro 5
Fuel capacity:19.5 lt.
Transmission:6 speed
Gear Ratio:1st 2.600(39/15); 2st 1.950(39/20); 3st 1.600(24/15); 4st 1.389(25/18); 5st 1.238(26/21); 6st 1.107(31/28)
Primary reduction ratio:1.627 (83/51)
Final reduction ratio:2.733(41/15)
Clutch type:Wet, multi-disc
Lubrication system:Forced Lubrication (wet sump)
Engine oil capacity:4.0 lt.
Overall length:2.050 mm
Overall width:774 mm
Overall height:1.150 mm
Wheelbase:1.390 mm
Ground clearance:140 mm
Seat height:810 mm (+/- 8 mm)
Rake angle / Trail:24.0°/ 100,8 mm
Front Suspension:Öhlins front fork FG R&T 43 NIX30
Wheel travel:130 mm
Rear Suspension:Aluminum alloy Swingarm billet with Öhlins ttX 36
Rear wheel travel:122 mm
Front tire:120 / 70Z R17 Pirelli DIABLO™ Supercorsa V3 SP
Front wheel size:Forged J17M/C×MT3.50
Rear tire:190/50ZR17 Pirelli DIABLO™ Supercorsa V3 SP
Rear wheel size:Forged J17M/C×MT6.00
Front dual:Disc 320 mm
Rear single:Disc 220 mm
Curb weight:194 kg
Start of sales:2022


    • The KB4 targets are simply to achieve : easy ride, torquey and lightweight bike.
    • Thinking about a friendly, new category bike – what should we do?
    • Engine, Wheels, Seat, Controls.
    • The most compact connection between the rider and the ground.
    • The most lightweight connection between the vehicle and the rider.
    • The concept for the KB4 uses a machined light alloy swing arm, directly connected to the most friendly engine on the market, to make an easy feeling between the rider and the front and rear wheels.
    • It also uses solid carbon fiber bodywork for the lightest support for the rider,it must be “EXCITING to see” and “AMUSING to ride”.
    • When you go through the corners – you get excited by the unmatched handling performance!
    • If you twist the throttle you feel the smooth engine response, strong and fluid!
    • Our dream – give the customer EXCITEMENT! – both in the way that the motorcycle looks and the way that it rides!!


    • Via Ausa 118
      47853 Cerasolo Ausa di Coriano
      RN - Italy

    • +39 0541 082822

    • +39 0541 1761017