The Honda CB 450 Police Special was a 1966 motorcycle with a four-stroke, parallel twin-cylinder, DOHC engine, a capacity of 445 cc or 27.1 cu-in, and two valves per cylinder. It had a compression ratio of 9.0:1, with 2x 32mm Keihin carburetors and coil ignition with auto-advance and twin contact breaker. The motorcycle had a kick starting system and could generate 45 hp or 32.8 kW @ 9000 rpm, with a maximum torque of 37.4 Nm or 27.6 lb-ft @ 7000 rpm. The transmission was a 4-speed one, and the final drive was a chain system. The frame was tubular semi-duplex cradle with a single front down-tube. The front suspension comprised telescopic forks with two-way damping, while the rear suspension was a swing arm with shock absorbers with adjustable preload. The front and rear brakes were drum systems, and the front and rear tires were 3.25-18 and 3.50-18, respectively. The wheelbase of the motorcycle was 1,300 mm or 53 in, with a dry weight of 187 kg or 412 lbs and a wet weight of 204.0 kg or 449.7 lbs. It had a fuel capacity of 14 litres or 3.7 US gal.
Technical specifications:
Make Model: Honda CB 450 Police
| Year | 1966 |
|---|---|
| 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 |
