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All Bikes/Compare/Bimota Kb4 vs Yamaha Yzf-r1

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
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
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.

Affiliate · we may earn
R&G Racing Frame Sliders Yamaha YZF-R1 2015-2023
R&G · Frame Sliders
R&G Racing Frame Sliders Yamaha YZF-R1 2015-2023
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Akrapovic Slip-On Line Titanium YZF-R1 2015+
Akrapovič · Exhaust Slip-on
Akrapovic Slip-On Line Titanium YZF-R1 2015+
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AJC Battery Compatible with Yamaha YZF-R1 M 1000CC Motorcycle Battery (2004-2017)
Battery
AJC Battery Compatible with Yamaha YZF-R1 M 1000CC Motorcycle Battery (2004-2017)
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Caltric Red Drive Chain Compatible with Yamaha R1 YZF-R1 1998-2014 530-Chain Type
Chain & Lube
Caltric Red Drive Chain Compatible with Yamaha R1 YZF-R1 1998-2014 530-Chain Type
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Dunlop Sportmax GPR-300 Radial Front Motorcycle Tire 120/70ZR-17 (58W) for Yamaha YZF-R1 LE 2010
Tires
Dunlop Sportmax GPR-300 Radial Front Motorcycle Tire 120/70ZR-17 (58W) for Yamaha YZF-R1 LE 2010
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Full-Face Motorcycle Helmet
Helmet
Full-Face Motorcycle Helmet
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Riding Gloves
Gloves
Riding Gloves
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Mesh Riding Jacket
Jacket
Mesh Riding Jacket
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Riding Boots
Boots
Riding Boots
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Chain Lube & Cleaner Kit
Chain Lube
Chain Lube & Cleaner Kit
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