Bimota DB1 (1985)

The Bimota DB1 is a motorcycle from 1985 with a four-stroke, 90-degree L-twin cylinder, SOHC, desmodromic 2 valves per cylinder engine with a capacity of 748 cc. It has a compression ratio of 9.3:1 and is air-cooled. The bike uses 2x 36mm Dell’ Orto PHF36 carbs and a Bosch ignition system, and can produce a maximum power of 46.6 kW / 62.5 hp at 7500 rpm and a maximum torque of 61 Nm at 6500 rpm. The transmission is 5-speed, and the final drive is a chain. The front suspension uses a 41.7mm telescopic M.1.R Marzocchi with 4-way rebound damping, while the rear suspension has a rising rate linkage with Marzocchi shocks with adjustable preload 11 position compression damping. The front brakes are 2x 280mm discs with 1 piston calipers, and the rear brake is a single 260mm disc. The bike weighs 160 kg / 352.7 lbs and has a fuel capacity of 20 liters / 5.3 US gallons. Its top speed is 223.7 km/h / 139 mph. It has been compared to the Ducati Paso and Ducati 750F1 in a road test by Moto.Journal La.Moto Motosprint PS Magazine.

Technical specifications:

Make Model: Bimota DB1

Year: 1985
Engine: Four stroke, 90 degrees L twin cylinder, SOHC, desmodromic 2 valves per cylinder
Capacity: 748 cc / 45.6 cub in
Bore x Stroke: 88 x 61.5 mm
Compression Ratio: 9.3:1
Cooling System: Air cooled
Induction: 2x 36mm Dell’ Orto PHF36 carbs
Ignition: Borsch
Starting: Electric
Max Power: 46.6 kW / 62.5 hp @ 7500 rpm
Max Power Rear Tyre: 42.5 kW / 57 hp @ 7500 rpm
Max Torque: 61 Nm / 6.22 kgf-m / 45 lb-ft @ 6500 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: 41.7mm / Telescopic M.1.R Marzocchi with 4-way rebound damping
Rear Suspension: Rising rate linkage with Marzocchi shocks with adjustable preload 11 position compression damping
Front Brakes: 2x 280mm discs 1 piston calipers
Rear Brakes: Single 260mm disc
Front Tyre: 130/80 V16
Rear Tyre: 160/80 V18
Dry Weight: 160 kg / 352.7 lbs
Fuel Capacity: 20 Litres / 5.3 US gal
Consumption Average: 5.7 l/100 km / 41 mpg
Top Speed: 223.7 km/h / 139 mph
Top Speed: 223.7 km/h / 139 mph
Road Test: Bimota DB1, Ducati Paso, Ducati 750F1 1986 Moto.Journal La.Moto Motosprint PS Magazine