Bimota HB3 (1983 (production101))

The Bimota HB3 was produced in 1983 with only 101 units made. It has a four-stroke transverse four-cylinder engine with a capacity of 1062 cc and a compression ratio of 9.7:1. The bike is air and oil cooled and uses four 33mm Keihin carbs for induction. The HB3 produces a maximum power of 85.8 kW at 8500 rpm and a maximum torque of 100 Nm at 7500 rpm. It has a five-speed transmission and a chain final drive.

The frame of the HB3 is formed from four parts, including a main part linked with the steering tube and a lower cradle with two connecting plates made of machined avionic steel. The front suspension is Italia 40 mm with 8 settings and magnesium tubes, while the rear suspension is a slightly backward-facing De Carbon shock absorber with 10 settings. The swing arm is made of chrome-molybdenum steel. The front brakes feature two 280mm discs, while the rear brake is a single 280mm disc. The front tire measures 3.5 x 16, and the rear tire measures 4.24 x 16.

The wet weight of the Bimota HB3 is 239 kg, and it has a top speed of 235 km/h. It has been reviewed by several publications, including Motorrad, Motosprint, and Motociclismo.

Technical specifications:

Make Model: Bimota HB3

Year: 1983 (production 101)
Production: 101 units
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 1062 cc / 64.8 cub. in.
Bore x Stroke: 70 x 69 mm / 2.75 x 2.71 in.
Compression Ratio: 9.7:1
Cooling System: Air / oil cooled
Induction: 4x 33mm Keihin carbs.
Ignition: Electronic
Starting: Electric
Max Power: 85.8 kW / 115 hp @ 8500 rpm
Max Torque: 100 Nm / 10.2 kgf-m / 73.4 lb-ft. @ 7500 rpm
Transmission: 5 speed
Final Drive: Chain
Frame: Formed from four parts. The main part linked with the steering tube with the rear shock absorber crossbar. Then there is a lower cradle with two connecting plates made of machined avionic steel .
Front Suspension: Italia 40 mm with 8 settings with magnesium tubes
Rear Suspension: Slightly backward facing De Carbon shock absorber with 10 settings. The swing arm is made of chrome-molybdenum steel.
Front Brakes: 2x 280mm discs
Rear Brakes: Single 280mm disc
Front Tyre: 3.5 x 16
Rear Tyre: 4.24 x 16
Wet-Weight: 239 kg / 526.9 lbs
Top Speed: 235 km/h / 146 mph.
Road Test: Motorrad HB2 HB3 KB3SB3 Motorrad 1983 Motosprint 1983 Motociclismo HB2 HB3