Bimota YB7 (1988 )

The Bimota YB7 was a motorcycle produced in 1988 with only 321 units made. It was equipped with a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 399cc and a compression ratio of 11.5:1. The bike had a liquid-cooled system and 4x 38mm Mikuni induction. It was capable of producing a maximum power of 48.5 kW/65 hp at 12000 rpm and maximum torque of 38.2 Nm/3.9 kg-m/28.2 lb-ft at 9500 rpm. The Bimota YB7 had a 6-speed transmission and a chain final drive. The frame was made of two diagonal beams of aluminum with internal ribbing, while the cylinders were supported by plates bolted to the beams, and the swingarm was made of aluminum. The front suspension had external adjustment for anti-dive and was equipped with 42mm Marzocchi M1R’s, while the rear suspension had a single Ahlins shock absorber with external adjustment. The front brakes had 2x 280mm discs, while the rear brakes had a single 230mm disc. The Bimota YB7 had a front tire size of 120/60-17 and a rear tire size of 160/60-17.

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Technical specifications:

Make Model: Bimota YB7

Year: 1988

Production: 321 units

Engine: Four stroke, transverse four cylinder, DOHC, 4 per cylinder.

Capacity: 399 cc / 24.3 cub. in.

Bore x Stroke: 56 x 40.5 mm

Compression Ratio: 11.5;1

Cooling System: Liquid cooled

Induction: 4x 38mm Mikuni

Ignition: CDI

Starting: Electric

Max Power: 48.5 kW / 65 hp @ 12000 rpm

Max Torque: 38.2 Nm / 3.9 kg-m / 28.2 lb-ft. @ 9500 rpm

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 Marzocchi M1R’s external adjustment for anti-dive

Rear Suspension: Single ~Ahlins shock absorber with external adjustment

Front Brakes: 2x 280mm discs

Rear Brakes: Single 230mm disc

Front Tyre: 120/60-17

Rear Tyre: 160/60-17