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Bimota HB1

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Make Model

Bimota HB1

Year

1975

Production

12 units (est.)

Engine

Transverse four cylinder, four stroke, SOHC, 2 per cylinder

Capacity

736 cc / 44.9 cub. in.
Bore x Stroke 61 х 63 mm
Compression Ratio 9.2:1
Cooling System Air / oil cooled

Induction

4x 28mm Keihin carbs

Ignition

Battery induction coil

Starting

Electric

Max Power

 51.5 kW / 69 hp @ 8000 rpm

Transmission

5 Speed

Final Drive

Chain
Frame Double open cradle structure, made of chrome-molybdenum tubes

Front Suspension

Telescopic forks

Rear Suspension

Monoshock

Front Brakes

2x discs

Rear Brakes

Single disc

Born in 1973, the HB1 had a SOHC heart taken from a Honda CB750. Unfortunately, only ten units from this bike were ever produced.

Only a few, maybe 10 of the HB1 were built. None of them was designed to be street legal, they were all meant to be race bikes. The most famous Final Driver was Luigi Anelli, who raced a HB1 in 1973. Today, this is probably the most sought after special framed Honda CB 750 SOHC/4 bike. Ceriani front fork, Marzocchi rear dampers, Fontana brakes - Bimota used only the best accessories.