Bimota YB6 Tuatara (1990)

Make Model: Bimota YB6 Tuatara


Year: 1990
Production: 60 units
Engine: Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.
Capacity: 1002 cc / 61.1 cub. in.
Bore x Stroke: 75.5 x 56 mm
Cooling System: Liquid cooled
Compression Ratio: 12.0:1
Induction: Weber-Marelli Fuel injection
Ignition: Digital
Starting: Electric
Max Power: 145 hp @ 10500 rpm
Max Power Rear Tyre: 127.3 hp @ 10600 rpm
Max Torque: 94.1 Nm / 9.6 kg-m / 69.4 lb-ft.@ 9000 rpm
Transmission: 5 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: Marzocchi inverted telescopic forks, 3-way adjustable compression and rebound damping
Rear Suspension: Marzocchi monoshock, adjustable compression and rebound damping
Front Brakes: 2X 320mm discs
Rear Brakes: Single 230mm disc
Front Tyre: 120/70 ZR17

Rear Tyre: 180/55 ZR17
Dry Weight: 168 kg / 370.4 lbs.
Fuel Capacity: 20 Litres / 5.3 US gal
Consumption Average: 16.5 l/100km / 36 mpg
Braking 60 – 0 / 100 – 0: 13.3 m / 35.9 m 43.6 ft. / 117.8 ft.
Standing 1/4 Mile: 10.4 sec / 213.1 km/h / 132.4 mph
Top Speed: 279.4 km/h / 173.6 mph
Road Test: In Moto 1990 Motorrad Moto Sprint
The Tuatara is a special version of the YB6. It differs chiefly by the introduction of fuel injection rather than carburettors. The name Tuatara comes from the name of a reptile in New Zealand, which moves exceptionally slowly.:


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