Bimota Kb4 vs Yamaha Yzf-r1
Side-by-side comparison for used motorcycle buyers
Bimota Kb4 vs Yamaha Yzf-r1. Bimota Kb4: 140 hp @ 10,000 rpm hp, 189 kg (wet/curb weight) weight, top speed ~240 km/h (estimated), Motoryk rating 7.5/10. Yamaha Yzf-r1: 200 hp @ 13,500 rpm (2015+ generation; earlier models range from 150–182 hp) hp, 199 kg (wet/curb weight, 2015+ R1; note: R1M is 199 kg, earlier generations vary from 177–202 kg) weight, top speed 299 km/h (electronically limited; estimated 280–299 km/h depending on generation), Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Bimota Kb4
Yamaha Yzf-r1
Horsepower (hp)
140 hp
200 hp
Torque (Nm)
111 Nm
113 Nm
Top Speed (km/h)
240 km/h
299 km/h
Weight (kg) — lower is better
189 kg
199 kg
Type
Supersport
Supersport
Horsepower
140 hp @ 10,000 rpm
200 hp @ 13,500 rpm (2015+ generation; earlier models range from 150–182 hp)
Torque
111 Nm @ 7,300 rpm
113 Nm @ 11,500 rpm (2015+ generation)
Top Speed
~240 km/h (estimated)
299 km/h (electronically limited; estimated 280–299 km/h depending on generation)
Weight
189 kg (wet/curb weight)
199 kg (wet/curb weight, 2015+ R1; note: R1M is 199 kg, earlier generations vary from 177–202 kg)
Fuel
~6.5 L/100km (estimated real-world average)
6.5–8.5 L/100km (real-world average, varies significantly with riding style)
Fairing
Yes
Yes
Individual Reviews
Bimota Kb4
7.5/10
"An exotic gamble that rewards obsessive buyers with deep pockets."
Pros
+Stunning hand-built Italian bodywork
+Bulletproof Kawasaki engine reliability
+Razor-sharp trellis frame handling
Cons
−Eye-watering Bimota-specific parts costs
−Very limited specialist knowledge available
−Patchy small-batch build quality
Yamaha Yzf-r1
8.5/10
"The best R1 you can afford is always worth finding."
Pros
+MotoGP-derived electronics package
+Crossplane engine character
+Exceptional track day capability
Cons
−Brutal heat in traffic
−Expensive valve service intervals
−Unforgiving of neglect
Top 10 Accessories
Picks that work on either bike.









