Honda CB450K0

Honda CB450K0
Manufacturer	Honda
Also called	CB 450 K0
Production	1967
Class	Standard
Engine	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder
Compression ratio	9.0:1
Ignition	Coil with auto-advance, twin contact breaker
Transmission	5 Speed
Frame	Tubular semi-duplex cradle with single front down-tube
Suspension	Front: Telescopic forks with two-way damping. Rear: Swing arm, shock absorbers with adjustable preload
Brakes	Front: Drum Rear: Drum
Front Tire	3.25-18
Rear Tire	3.50-18
Wheelbase	1300 mm / 53 in
Weight	187 kg / 412 lbs (dry), 204.0 kg / 449.7 lbs (wet)
Recommended Oil	Honda GN4 10W-40
Fuel Capacity	14 Liters / 3.7 US gal
Manuals	Service Manual

Engine

The engine was a Air cooled cooled Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder. The engine featured a 9.0:1 compression ratio.

Chassis

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. The front suspension was a Telescopic forks with two-way damping. while the rear was equipped with a Swing arm, shock absorbers with adjustable preload. The CB450K0 was fitted with a 14 Liters / 3.7 US gal fuel tank. The bike weighed just 187 kg / 412 lbs. The wheelbase was 1300 mm / 53 in long.

Photos

Overview

Honda CB 450

In 1965, a few years before the year 0 marked by the appearance of the CB 750 Four, the English with brands such as Triumph, BSA or Norton reign supreme on the world of motorcycle engine high (for time) . It is in this context that Honda bold designs a machine: a bi-cylinder (so far everything is normal), set to 180 degrees (the English are braced to 360 °), super square (English engines are long course), 450 cm3 (the engine is lower than the competition) and dual Camshaft (English engines are generally abased).

The benefits of technology implementation are obvious:

- Engine stalled at 180 °: it vibrates less.

- Engine super square: the linear velocity of piston is lower than on a long motor racing. This type of engine supports more senior regimes and therefore wears more slowly in the same activities. The senior plans to deliver more power.

- Double Camshaft: the engine can take the tours that are permitted by its technology super-square valves without panic.

If nothing new is still a concentrate of technology. With this engine, Honda commercial machine that sports competition is very difficult to counter. The press greeted the arrival of the machine so unanimous.

At its output, the machine is referenced (K0), the engine has a 4 speed box, replaced in 1968 (by the model K1) with a 5 speed box. The machine also deeply moving to an aesthetic point of view. We may consider CB 450 K1 as a new machine in its own right. 450 BC K0 gave the appearance of a machine 70s, the K1 is already much closer to the style of the 80s.

In 1970, the machine will get these lines definitive illustrated below by the model K5. In this configuration, machine incorporates the general lines of the Honda CB 750, spearheaded at that time, the Honda range.

Make Model	Honda CB 450K0
Year	1967
Engine Type	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder
Displacement	445 cc / 27.1 cu-in
Bore X Stroke	70 x 57.8 mm
Cooling System	Air cooled
Compression	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	Drum
Rear Brakes	Drum
Front Tire	3.25-18
Rear Tire	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 Liters / 3.7 US gal