Honda CB450K1: history, specs, pictures

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Honda CB450K1
Manufacturer
Also called CB 450 K1
Production 1969
Class Naked
Engine
Air cooled, parallel twin cylinder, four stroke, DOHC, 2 valves per cylinder
Bore / Stroke 68.6mm x 68.6mm
Compression ratio 9.0:1
Horsepower 45.06 HP (33.6 KW) @ 9000RPM
Torque 28.77 ft/lbs (39.0 Nm) @ 7000RPM
Fuel System Carburetor
Transmission Gear box: 5 Speed
Final Drive: Chain
Brakes Front: Drum
Rear: Drum
Front Tire 3.25-18
Rear Tire 3.50-18
Weight
Recommended Oil Honda GN4 10W-40
Manuals Service Manual


The Honda CB 450 K1 was a Air cooled, parallel twin cylinder, four stroke, DOHC, 2 valves per cylinder Naked motorcycle produced by Honda in 1969. Max torque was 28.77 ft/lbs (39.0 Nm) @ 7000 RPM. Claimed horsepower was 45.06 HP (33.6 KW) @ 9000 RPM.

Engine[edit | edit source]

A 68.6mm bore x 68.6mm stroke result in a displacement of just 445.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 5 Speed transmission.

Chassis[edit | edit source]

It came with a 3.25-18 front tire and a 3.50-18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear.

1969 Honda CB 450 K1[edit | edit source]

Honda's CB 450 K1 was kept in production for only one year, since 1968 till 1969, the Japanese manufacturer replacing it with a newer model, the CB450K2.


In Media[edit | edit source]