Bimota Tesi ID 851 (1990-1991)

The Bimota Tesi ID 851 was produced in limited numbers between 1990-1991 with only 127 units made. It is powered by a four-stroke, 90-degree L-twin cylinder, DOHC, desmodromic engine with a displacement of 851cc and a bore x stroke of 92 x 64 mm. The engine is liquid-cooled and features Weber fuel injection and analogue CDI ignition, producing a maximum power of 72.9 kW / 103 hp at 9500 rpm and a maximum torque of 83 Nm / 8.75 kgf-m / 61.2 lb-ft at 8500 rpm. The motorcycle has a six-speed transmission and a chain final drive.

The frame of the bike comprises a pair of upside-down boomerang-shaped plates that envelope the engine on either side, made of machined aluminium alloy. The engine itself has no load-bearing functions, with hinged swing arms made of anticordal alloy at the far ends of the engine. The front suspension consists of a swinging arm with Marzocchi single shock stepless preload 10-way compression and 25-way preload damping adjustment, while the rear suspension is a Marzocchi single shock with the same adjustment capabilities.

The motorcycle dimensions are 2265 mm (length) x 770 mm (width) x 1120 mm (height), with a wheelbase of 1410 mm. It has a dry weight of 188 kg and a fuel capacity of 16 litres. The Bimota Tesi ID 851 features 2x 320mm discs with 2-piston calipers for the front brakes and a single 230mm disc with a 1-piston caliper for the rear brakes. It has a top speed of 250 km/h (155.3 mph) and features front and rear tires with dimensions of 120/70-17 and 180/55-17, respectively.

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Technical specifications:

Make Model: Bimota Tesi ID 851

Year: 1990 – 1991

Production: 127 units

Engine: Four stroke, 90 degrees L twin cylinder, DOHC, desmodromic 4 valves per cylinder

Capacity: 851cc / 51. 9 cub. in

Bore x Stroke: 92 x 64 mm

Compression Ratio: 10.4:1

Cooling System: Liquid cooled

Induction: Weber fuel injection

Ignition: Analoque CDI

Starting: Electric

Max Power: 72.9 kW / 103 hp @ 9500 rpm

Max Torque: 83 Nm / 8.75 kgf-m / 61.2 [email protected] 8500 rpm

Transmission: 6 Speed

Final Drive: Chain

Frame: Pair of upside down boomerang shaped plates that envelope the engine on either side. They are made of aluminium alloy and are machined not cast. The engine, unlike the preceding series, has no load bearing functions. At the far ends of the engine are the hinged swing arms, made of anticordal alloy.

Front Suspension: Swinging arm with Marzocchi single shock stepless preload 10-way compression and 25-way preload damping adjustment.

Rear Suspension: Marzocchi single shock stepless preload 10-way compression and 25-way preload damping adjustment

Wheelbase: 1410 mm

Front Brakes: 2x 320mm discs 2 piston calipers

Rear Brakes: Single 230mm disc 1 piston caliper

Front Tyre: 120/70-17

Rear Tyre: 180/55-17

Dimensions: Length: 2265 mm / 89.2 in. Width: 770 mm / 30.3 in. Height: 1120 mm . 44.1 in.

Dry Weight: 188 kg / 414.5 lbs.

Fuel Capacity: 16 Litres / 4.2 us gal

Top speed: 250 km/h / 155.3 mph