Honda CB450K7 (1971-72)

The Honda CB450K7 is a motorcycle model from 1971-72. It is equipped with a four-stroke parallel twin cylinder engine, with a capacity of 445 cc. Other features include 2 valves per cylinder, 2x 32mm Keihin carburetors, and a coil with auto-advance twin contact breaker ignition. The motorcycle has a kick start and can reach a maximum power of 45 hp at 9000 RPM with a max torque of 37.4 Nm at 7000 RPM. The CB450K7 has a five-speed transmission and a final drive chain. The frame is a tubular semi-duplex cradle with a single front down-tube. The front suspension is telescopic forks with two-way damping, and the rear suspension is a swing arm with shock absorbers with adjustable preload. The front brake is a single disc, and the rear brake is a drum. The motorcycle has a wheelbase of 1300 mm and a dry weight of 187 kg, with a fuel capacity of 14 Litres / 3.7 US gal.

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Technical specifications:

Make Model: Honda CB 450

Year: 1971 – 72

Engine: Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder

Capacity: 445 cc / 27.1 cu-in

Bore x Stroke: 70 x 57.8 mm

Cooling System: Air cooled

Compression Ratio: 9.0:1

Induction: 2x 32mm Keihin carburetors

Ignition: Coil with auto-advance, twin contact breaker

Starting: Kick

Max Power: 45 hp / 32.8 kW @ 9000 rpm

Max Torque: 37.4 Nm / 27.6 lb-ft @ 7000 rpm

Transmission: 5 Speed

Final Drive: Chain

Frame: Tubular semi-duplex cradle with single front down-tube

Front Suspension: Telescopic forks with two-way damping.

Rear Suspension: Swing arm, shock absorbers with adjustable preload

Front Brakes: Single disc

Rear Brakes: Drum

Front Tyre: 3.25-18

Rear Tyre: 3.50-18

Wheelbase: 1300 mm / 53 in

Dry Weight: 187 kg / 412 lbs

Wet Weight: 204.0 kg / 449.7 lbs

Fuel Capacity: 14 Litres / 3.7 US gal