Honda CB450K7 (1973-74)

The Honda CB450K7 (1973-74) motorcycle features a four stroke, parallel twin cylinder DOHC engine with a capacity of 445cc. It has a compression ratio of 9.0:1 and uses 2x 32mm Keihin carburetors for induction. The bike has a maximum power output of 45hp at 9000 rpm and a maximum torque of 37.4 Nm at 7000 rpm. It has a 5-speed transmission and chain final drive. The frame is a tubular semi-duplex cradle with a single front downtube. 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 brakes are a single disc and the rear brakes are a drum. Wheelbase measures at 1300 mm and it has a dry weight of 187 kg and wet weight of 204 kg. It has a fuel capacity of 14 liters or 3.7 US gallons.

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Technical specifications:

Make Model: Honda CB 450

Year: 1973 – 74

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