Honda CB750K2 (1972)

The Honda CB750K2 motorcycle was introduced in 1972 and features a four-stroke, transverse four-cylinder, SOHC, 2 valve per cylinder engine with a capacity of 736cc. With a compression ratio of 9.0:1, the bike is air-cooled and uses a dry sump lubrication system. It has 4×28 mm Keihin carburetors and battery coils for ignition, with electric and kick starting options. The maximum power is 67 hp at 8000 rpm, and the maximum torque is 60 Nm at 7000 rpm. The motorcycle also has a multi-plate, wet clutch and a 5-speed transmission with a chain final drive. The frame is made of tubular steel duplex cradle, with telescopic forks for the front suspension and swingarm, dual shocks for the rear, with preload adjustable. The front brake is a single 296 mm disc, while the rear is a 179 mm drum, and the tires are 3.25-19 and 4.00-18 for the front and rear respectively. Weighing 499 pounds, the Honda CB750K2 has a fuel capacity of 4.8 US gallons and an oil capacity of 7 US pints. The bike has an average consumption rate of 6.9 L/100 km, 14.6 km/L or 34.3 US mpg, with a braking distance from 48 km/h to 0 in 10 meters, and from 97 km/h to 0 in 41 meters. The standing 1/4 mile is 13.5 seconds and 100.9 mph, while the top speed is 123.2 mph. The Honda CB750K2 came in three color options: brier brown metallic, flake sunrise orange, and candy gold.

Technical specifications:

Make Model: Honda CB 750 Four K2

Year: 1972
Engine: Four stroke, transverse four cylinder, SOHC, 2 valve per cylinder.
Capacity: 736 cc / 44.9 cub in.
Bore x Stroke: 61 63 mm
Compression Ratio: 9.0:1
Cooling System: Air cooled
Lubrication: Dry sump
Induction: 4 x 28 mm Keihin carbs
Ignition: Battery, coils
Starting: Electric, kick
Max Power: 50 kW / 67 hp @ 8000 rpm
Max Torque: 44 lb-ft / 60 Nm @ 7000 rpm
Clutch: Multi-plate, wet
Transmission: 5 Speed
Final Drive: Chain
Gear Ratios: 1st 13.99 / 2nd 9.54 / 3rd 7.45 / 4th 6.14 / 5th 5.26:1
Frame: Tubular steel duplex cradle
Front Suspension: Telescopic forks non adjustable.
Rear Suspension: Swingarm, dual shocks, preload adjustable.
Front Brake: Single 296 mm disc
Rear Brake: 179 mm Drum
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Wheelbase: 1453 mm / 57.2 in.
Seat Height: 800 mm / 31.5 in.
Ground Clearance: 160 mm / 6.3 in.
Wet Weight: 226 kg / 499 lbs
Fuel Capacity: 18.2 L / 4.8 US gal
Oil Capacity: 3.3 L / 7 US pints
Consumption Average: 6.9 L/100 km / 14.6 km/l / 34.3 US mpg
Braking Distance 48 km/h / 30 mph – 0: 10 m / 32.9 ft
Braking Distance 97 km/h / 60 mph – 0: 41 m / 135.7 ft
Standing 1/4 Mile: 13.5 sec / 100.9 mph
Top Speed: 198 km/h / 123.2 mph
Colours: Brier brown metallic, Flake sunrise orange, Candy gold