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Honda CL 450 Scrambler

Make Model	Honda CL 450 Scrambler
Year	1968 - 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	Carburetor
Ignition / Starting	Battery and coil
Max Power	43 hp / 32 kW @ 9000 rpm
Max Torque	4 kgf-m @ 7000 rpm
Transmission	5 Speed
Final Drive	Chain
Gear Ratio	1st 2.412 2nd 1.636 3rd 1.269 4th 1.000 5th 0.844
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks
Front Brakes	Drum
Rear Brakes	Drum
Front Tyre	3.25-18
Rear Tyre	3.50-18
Seat Height	815 mm
Wet Weight	188 kg / 414.4 lbs
Fuel Capacity	14 Litres / 3.6 US gal

The sister bike to the Honda CB450, the CL450 is the dual sport or "scrambler" model of Honda's 444cc DOHC parallel twin engined motorcycle. Although the difference between both models are mostly cosmetic, the CL450's higher pipes, braced handlebars, and aggressive styling were better suited for off-road riding.

Initially available in kit form for the 1967 CB450, it was officially released in 1968 as the CL450K1 "Scrambler" in silver, candy red and candy blue colors (only the tank and air filter covers were painted). This year also saw the addition of a 5-speed gearbox, an upgrade from the older 4-speed.

The CL450 remained much the same through 1974, though diverged further from its sister bike as time went on. While the CB450 went to a front disc brake in 1970, Honda decided to keep the CL450 with its two drum brakes. Disc brakes were fairly new technology on motorcycles, and unproven in off-road riding. The CB450 was replaced in 1975 when Honda increased the displacement of the engine and renamed it the CB500.

The bike remains popular today among enthusiasts, and many are still in use in flat track racing or have been modified into cafe racers.

Honda's horsepower rating was 43 hp@9650 RPM off the crank, nearly 100 hp per liter. Top speed could be seen as high as 96 MPH in stock trim with a well tuned carburetor. If highway speeds are more desirable, the CB450's gearing can be used to offer more relaxed cruising at higher velocities. Vibration was a complaint, so Honda added rubber mounted handle bars to overcome this to a degree. The CL450 wasn't nearly as mass produced as the smaller 350-360cc versions.