Bimota KB4 - 2025 Specifications and Reviews

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General information

CategorySport
ModelBimota KB4
Year2025
 
 

Engine and Transmission Specifications

Emission detailsEuro 5
ClutchWet, multi-disc
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemForced Lubrication, wet sump
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. 4 x 38 mm throttle bodies
Valves per Cylinder4
Bore x Stroke77.0 x 56.0 mm (3.0 x 2.2 inches)
Compression11.8:1
Torque111.0 Nm (11.3 kgf-m or 81.9 ft.lbs) @ 8000 RPM
Power140.5 HP (102.6 kW) @ 10000 RPM
Engine typeIn-line four, four-stroke
Capacity:1043.0 ccm (63.64 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsPirelli Diablo Supercorsa V3 SP tires
Rear brakesSingle disc
Diameter320 mm (12.6 inches)
Front brakesDouble disc
Rear tire190/50-ZR17
Front tire120/70-Z17
Rear wheel travel122 mm (4.8 inches)
Rear SuspensionAluminum alloy Swingarm billet with Öhlins ttX 36
Front wheel travel130 mm (5.1 inches)
Front SuspensionÖhlins front fork FG R and and T 43 NIX30
Trail101 mm (4.0 inches)
Rake (fork angle)24.0°
Frame typeTrellis made by Hi-resistance steel with Aluminum alloy plates billet machined

Physical measures and capacities

Oil capacity3.80 litres (4.02 US quarts)
Fuel capacity19.50 litres (5.15 US gallons)
Wheelbase1390 mm (54.7 inches)
Ground clearance140 mm (5.5 inches)
Overall width774 mm (30.5 inches)
Overall length2050 mm (80.7 inches)
Overall height1150 mm (45.3 inches)
Seat height810 mm (31.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc194.0 kg (427.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsRed/white

Performance Profile & Rider Fit

142 hp
Peak Power
3.1s
0-60 mph

Best For

Track95%
City35%
Cornering95%
Daily Riding30%
Touring25%
Passenger15%

Rider Profile

Best ForThis bike suits experienced riders who are confident with high-revving inline-fours and aggressive sportbike geometry.
PurposeBuilt primarily for spirited canyon carving and track-day performance rather than commuting or long-distance travel.
Rider FitIts low clip-on style ergonomics and high footpeg position demand a fit, flexible rider comfortable leaning into an aggressive forward posture.
CharacterA lightweight, boutique Italian-Japanese hybrid superbike that pairs exotic craftsmanship with razor-sharp handling and strong midrange power.
Not Ideal ForIt is not a good fit for beginners, taller comfort-seekers, or anyone wanting a practical daily or touring machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2025 Bimota KB4 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 810mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2025 Bimota KB4, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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