Bimota Motorcycles

Today in Motorcycle History

Bimota YB11 Specifications

Stroke: 4
Cylinders: 4
Geometry: in-line
Valves per cylinder: 5
Cooling: liquid
Bore x stroke: 75.5 x 56 mm
Piston displacement: 1002 cc
Compression ratio: 12:1
Fuelling: 4 x ø38 carburettors
Lubrication: wet sump with water heat exchanger
Ignition: digital electronic
Battery: 12v, 12ah
Starting: electric
Primary drive: gear
Ratio: 41/68
Clutch: multiple plate in oil bath
Gearbox: 5 speed
Ratios from first gear: 14/36, 18/32, 21/29, 23/27, 27/28
Final drive: chain
Ratio: 17/46
Frame: aluminium alloy
Wheelbase: 1430 mm
Steering angle: 25.5o
Trail: 90mm
Front suspension: telescopic fork with 51 mm stanchions and rebound, compression and pre-load adjustments
Rear suspension: single shock absorber with compression, rebound, pre-load and length adjustments
Wheel travel: 120mm front, 130mm rear
Front brake: double ø320 mm disc
Rear brake: single ø230 mm disc
Rims: 3.50x17 front, 5.50x17 rear
Front tyre: 120/70 ZR 17 TL Michelin Hi Sport
Rear tyre: 180/55 ZR 17 TL Michelin Hi Sport
Max length: 2100 mm
Max height: 1110 mm
Max width: 800 mm
Seat height: 770 mm
Dry weight: 183 kg
Fuel tank capacity: 15 litres