Honda CB750 bike (1968)

The Honda CB750 Four K Prototype, released in 1968, is a four-stroke, transverse four-cylinder bike featuring a SOHC (single overhead camshaft) and two valves per cylinder. The 736cc engine has a compression ratio of 9.0:1 and is air-cooled. The bike has 4x28mm Keihin carbs with ignition from a battery and coils; it features both electric and kick start capabilities. Max power is 50 kW / 67 hp at 8000 rpm, with a max torque of 44 lb-ft / 60 Nm at 7000 rpm. The bike has a multi-plate, wet clutch and a 5-speed transmission with a final chain drive. The CB750 Four K has a tubular steel duplex cradle frame, telescopic forks in the front, a swingarm with dual shocks (preload adjustable) in the back, and a single 296 mm disc brake in the front with a 179 mm drum brake in the back. The bike’s wheelbase is 1453 mm / 57.2 in with a seat height of 800 mm / 31.5 in, and a ground clearance of 160 mm / 6.3 in. It has a wet weight of 226 kg / 499 lbs with an 18.2 L / 4.8 US gal fuel capacity and 3.3 L / 7 US pints oil capacity. The fuel consumption average is 6.9 L/100 km / 14.6 km/l / 34.3 US mpg. The bike can brake from 48 km/h / 30 mph – 0 in 10 m / 32.9 ft and from 97 km/h / 60 mph – 0 in 41 m / 135.7 ft. The bike can do a quarter-mile in 13.5 sec / 100.9 mph, with a top speed of 198 km/h / 123.2 mph. It comes in a candy blue/green color.

Technical specifications:

Make Model: Honda CB 750 Four K Prototype