Bimota YB5 (1987-1988)

The Bimota YB5 was produced between 1987 and 1988, with only 208 units made. It was powered by a four-stroke, transverse four-cylinder 1188cc engine, with 4 valves per cylinder, and a maximum power output of 130 hp at 9000 rpm. The frame was a double closed cradle made of chrome molybdenum steel, with Marzocchi forks and a single central shock absorber. The bike had a top speed of 243 km/h (151 mph) and was featured in a Moto Revue road test. The YB5 was fitted with a chain final drive, 2x 280mm front brake discs, and a single 280mm rear brake disc. The front and rear tyres were 120/70 ZR18 and 170/60 ZR18 respectively. The dry weight of the bike was 210 kg (463 lbs). Overall, the Bimota YB5 was a high-performance motorcycle, suitable for both racing and everyday riding.

Technical specifications:

Make Model: Bimota YB5

Year: 1987 – 1988
Production: 208 units
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. (Yamaha FJ1200)
Capacity: 1188 cc / 72.5 cub. in.
Bore x Stroke: 77.0 x 63.8 mm
Compression Ratio: 9.7:1
Cooling System: Air / oil cooled
Induction: 4x 36mm Mikuni carb
Ignition: –
Starting: Electric
Max Power: 97 kW / 130 hp @ 9000 rpm
Max Power Rear Tyre: 83.4 kW / 111.8 hp @ 8500 rpm
Max Torque: 108 Nm / 11 kgf-m / 79.7 lb-ft. @ 7500 rpm
Transmission: 5 Speed
Final Drive: Chain
Frame: Double closed cradle and is made of chrome molybdenum steel. The side connecting plates are made on Avional and machines not cast
Front Suspension: 42mm Marzocchi forks
Rear Suspension: Single Central shock absorber.
Front Brakes: 2x 280mm discs
Rear Brakes: Single 280mm disc
Front Tyre: 120/70 ZR18
Rear Tyre: 170/60 ZR18
Dry Weight: 210 kg / 463 lbs.
Top Speed: 243 km/h / 151 mph
Road Test: Moto Revue