Honda NR750 (1987)

In 1987, Honda released the NR750 motorcycle, featuring a unique V-four oval cylinder engine with 85 degrees of rotation, DOHC, and 8 valves per cylinder. This model also had two conrods per cylinder and a 750 cc capacity with a bore and stroke of 75 x 42 mm. Cooling was provided by a liquid system and starting the engine was done via an electric mechanism. The transmission had six speeds and the final drive utilized a chain. The frame was a twin-spar beam made of reinforced extruded aluminum. Brakes were two discs in the front and a single disc in the rear. The dry weight of the bike was 158 kg/348 lbs and the fuel capacity is not specified. However, the top speed was recorded as 281.6 km/h or 175 mph. Ultimately, the NR750 was a unique and innovative motorcycle for its time, with its oval cylinder design and advanced mechanical features.

Technical specifications:

Make Model: Honda NR 750

Year: 1987
Engine: Four stroke, 85 degreesV-four oval cylinder, DOHC, 8 valve per cylinder, 2 conrods per cylinder
Capacity: 750 cc
Bore x Stroke: 75 x 42 mm
Cooling System: Liquid cooled
Starting: Electric
Transmission: 6 Speed
Final Drive: Chain
Frame: Twin-spar beam frame in reinforced extruded aluminium
Front Brakes: 2x discs
Rear Brakes: Single disc
Dry Weight: 158 kg / 348 lbs
Fuel Capacity: NA
Top Speed: 281.6 km/h / 175 mp/h