Honda CB 450K Black Bomber (1965-66)

The Honda CB 450K Black Bomber was a motorcycle produced between 1965 and 1966. It had a four stroke, parallel twin cylinder engine with a capacity of 445 cc and a compression ratio of 9.0:1. The bike had a maximum power of 45 hp at 9000 rpm and maximum torque of 37.4 Nm at 7000 rpm. It had a 4-speed transmission and a chain final drive. The frame was a tubular semi-duplex cradle with a single front down-tube suspension. The front suspension was telescopic forks with two-way damping, and the rear suspension was a swing arm with adjustable preload. The bike had drum brakes on both the front and rear wheels and had 3.25-18 front and 3.50-18 rear tires. The wheelbase was 1,300 mm, and it had a dry weight of 187 kg and a wet weight of 204.0 kg. The fuel capacity was 14 liters, or 3.7 US gallons.

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Technical specifications:

Make Model: Honda CB 450 Black Bomber

Year: 1965 – 66

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: 4 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: Drum

Rear Brakes: Drum

Front Tyre: 3.25-18

Rear Tyre: 3.50-18

Wheelbase: 1,300 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