The Bimota YB4 EI is a rare motorcycle model that was produced in 1988, with only 303 units made. It has a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 749cc and a liquid cooling system. The bike has Weber Marelli electronic fuel injection and CDI ignition, with a maximum power of 121 hp at 10500rpm and a maximum torque of 88.3 Nm at 8500rpm. The transmission is 6-speed, with a final drive chain. The bike has a two diagonal beam-aluminum frame with internal ribbing and a swing-arm made of aluminum. The front suspension is 42mm gas telescopic forks with external adjustment for anti-dive, and the rear suspension is a gas single shock with external adjustment. The front brakes are two 320mm discs, and the rear brake is a single 230mm disc. The bike has a dry weight of 180kg and a fuel capacity of 20 liters. Its average fuel consumption is 6.5l/100km, with a braking of 60-0/100-0 at 13.2m/36.0m or 43.3ft/118.1ft. The standing 1/4 mile time is 10.8 seconds at 201.8 km/h or 125.4mph. The bike has been involved in a variety of road tests and group tests against other bikes, such as the Honda RC30 and the Yamaha FZR750R. Overall, the Bimota YB4 EI is a high-performance motorcycle with unique features and advanced technology for its time.
Technical specifications:
Make Model: Bimota YB4 EI
| Year | 1988 |
|---|---|
| Production | 303 units |
| Engine | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity | 749 cc / 45.7 cub. in. |
| Bore x Stroke | 68 x 51.6 mm |
| Compression Ratio | 11.2:1 |
| Cooling System | Liquid cooled |
| Induction | Weber Marelli electronic fuel injection |
| Ignition | CDI |
| Starting | Electric |
| Max Power | 121 hp 89 KW @ 10500rpm |
| Max Power Rear Tyre | 72.7 kW / 97.5 hp @ 10400 rpm |
| Max Torque | 88.3 Nm / 9.0kgf-m / 65.1 [email protected] 8500rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Two diagonal beams in section bar made of aluminium with internal ribbing. The cylinders are supported by plates bolted to the beams and the swing arm is made of aluminium |
| Front Suspension | 42mm Gas telescopic forks, external adjustment for anti-dive |
| Rear Suspension | Gas single shock, external adjustment |
| Front Brakes | 2x 320mm discs |
| Rear Brakes | Single 230mm disc |
| Front Tyre | 3.50-17 |
| Rear Tyre | 5.50-17 |
| Dry Weight | 180 kg / 396.8 lbs. |
| Fuel Capacity | 20 Litres / 5.3 gal |
| Consumption Average | 6.5 l/100km / 36.2 mpg |
| Braking 60 – 0 / 100 – 0 | 13.2 m / 36.0 m 43.3 ft / 118.1 ft. |
| Standing 1/4 Mile | 10.8 sec / 201.8 km/h / 125.4 mph |
| Road Test | Motosprint Group Test Moto.Journal Moto.Revue In.Moto YB4 vs RC30 BIKE Motorrad Motorrad YB4 vs FZR750R Motociclismo YB4 vs RC30 |
