After glorious sixties in World Grand Prix Road Racing Series, Honda withdraw from GP and focusing in mass-produced high performance motorcycle. The CB450 was released in 1965 featuring a two-cylinder DOHC engine, it had been created at the request of American Honda, which wanted a higher-class version of its predecessor, the 305 cc CB77.
The Honda CB450 has a 444cc dual overhead cam engine producing 43-45. It was first released in 1965 as K0 model with 4 speed, known as "Black Bomber" models in the U.S. for their distinctive large, square gas tank. Although the CB450 never sold up to Honda’s expectations, it had excellent engineering for the time, notably including reliable components.
DIMENSION
Overall length | 2100 mm |
Overall width | 800 mm |
Overall height | 1100 mm |
Wheelbase | 1300 mm |
Seat height | 815 mm |
Ground clearance | 135 mm |
Curb weight | 195 kg |
FRAME
Frame type | Semi-double cradle |
Front suspension | Telescopic fork |
Rear suspension | Swingarm |
Tire size, front | 3.25 – 19 (4 PR) |
Tire size, rear | 3.50 – 18 (4 PR) |
Brake type, front | Disc |
Brake type, rear | Drum |
Fuel capacity | 13.5 lit |
Fuel reserve capacity | 1.8 lit |
Caster angle | 62.5ยบ |
Trail length | 104 mm |
ENGINE
Type | DOHC, air-cooled, 4-stroke |
Cylinder arrangement | Vertical, parallel twin |
Bore x stroke | 70 x 57.8 mm |
Displacement | 444 cc |
Compression ratio | 9.0 : 1 |
Carburetor | Constant velocity type |
Valve train | Chain-driven type |
Oil capacity | 2.8 lit |
Lubrication system | Forced and wet sump |
DRIVE TRAIN
Clutch system | Multi-plate, wet |
Transmission | 5 speeds, constant mesh |
Primary reduction ratio | 3.304 |
Final reduction ratio | 2.333 |
Gear ratio: 1st 2nd 3rd 4th 5th | 2.412 1.636 1.269 1.000 0.844 |
ELECTRICAL SYSTEM
Ignition system | Battery and coil |
Starting system | Start motor adn kickstarter |
Charging system | Alternator |
Battery | 12V, 12 Ah |
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