The Bimota HB3-S motorcycle was produced from 1983 to 1985, with only 101 units being made. It has a four-stroke, transverse four-cylinder, DOHC engine with 4 valves per cylinder, a capacity of 1062cc, and 9.7:1 compression ratio. It has an air/oil-cooled system with 4x 33mm Keihin carbs and electronic ignition. With a maximum power of 85.8 kW/115 hp at 8500 rpm and a maximum torque of 100 Nm/73.4 lb-ft at 7500 rpm, it has a top speed of 235 km/h/146 mph.
The HB3-S has a frame formed from four parts and rear shock absorber crossbar. The lower cradle has two connecting plates made of machined avionic steel. The front suspension is Italia 40 mm with 8 settings with magnesium tubes, whereas the rear suspension is a slightly backward facing De Carbon shock absorber with 10 settings. The swing arm is made of chrome-molybdenum steel. It also has a front brake with 2x 280mm discs and a rear brake with a single 280mm disc. It rolls on a front tire of 3.5 x 16 and a rear tire of 4.24 x 16. Its dry weight is 239 kg / 526.9 lbs.
Technical specifications:
Make Model: Bimota HB3-S
| Year | 1983 – 85 |
|---|---|
| Production | Included in 101 units for HB3 |
| 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 |
| Dry weight | 239 kg / 526.9 lbs |
| Top Speed | 235 km/h / 146 mph. |
