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Bimota Tesi ID 851 (1990-1991)

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Bimota Tesi ID 851 (1990-1991)

At a glance

Capacity
851cc / 51. 9 cub. in
Power
72.9 kW / 103 hp @ 9500 rpm
Torque
83 Nm / 8.75 kgf-m / 61.2 [email protected] 8500 rpm

The full picture.

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.


Technical specifications:

Make Model: Bimota Tesi ID 851

Motorcycle technical specifications
Year1990 – 1991
Production127 units
EngineFour stroke, 90 degrees L twin cylinder, DOHC, desmodromic 4 valves per cylinder
Capacity851cc / 51. 9 cub. in
Bore x Stroke92 x 64 mm
Compression Ratio10.4:1
Cooling SystemLiquid cooled
InductionWeber fuel injection
IgnitionAnaloque CDI
StartingElectric
Max Power72.9 kW / 103 hp @ 9500 rpm
Max Torque83 Nm / 8.75 kgf-m / 61.2 [email protected] 8500 rpm
Transmission6 Speed
Final DriveChain
FramePair 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 SuspensionSwinging arm with Marzocchi single shock stepless preload 10-way compression and 25-way preload damping adjustment.
Rear SuspensionMarzocchi single shock stepless preload 10-way compression and 25-way preload damping adjustment
Wheelbase1410 mm
Front Brakes2x 320mm discs 2 piston calipers
Rear BrakesSingle 230mm disc 1 piston caliper
Front Tyre120/70-17
Rear Tyre180/55-17
DimensionsLength: 2265 mm / 89.2 in. Width: 770 mm / 30.3 in. Height: 1120 mm . 44.1 in.
Dry Weight188 kg / 414.5 lbs.
Fuel Capacity16 Litres / 4.2 us gal
Top speed250 km/h / 155.3 mph