The Honda CB 900 Custom motorcycle was released in 1980 and had a four stroke, transverse four cylinder engine with a capacity of 901cc. The bike had a compression ratio of 8.8:1 and was air-cooled with a wet sump lubrication system. Its 4x 32mm Keihin carburetors and inductive electronic ignition helped it produce 95 horsepower at 9000 rpm along with a maximum torque of 77 Nm at 8000 rpm. The bike had a five-speed transmission with air-cooled clutch and shaft final drive. In terms of suspension, the bike had 37mm air-assisted forks at the front and dual air-assisted shocks in the rear with a travel distance of 155mm and 97mm respectively. The front and rear brakes had 2x 280mm discs with 2 piston calipers and a single 297mm disc with 1 piston caliper respectively. The front tyre was 110/90-19 while the rear tyre was 130/90-16. The bike weighed 277kg with a fuel capacity of 16 litres and consumed fuel at an average of 41.2 mpg. The standing 1/4 mile time was 11.9 seconds with a top speed of 135 mph.
Technical specifications:
Make Model: Honda CB 900 Ccustom
| Year | 1980 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. |
| Capacity | 901 cc / 54.9 cu-in |
| Bore x Stroke | 64.5 X 69 mm |
| Cooling System | Air cooled, |
| Compression Ratio | 8.8:1 |
| Lubrication | Wet sump |
| Induction | 4x 32mm Keihin carburetors |
| Ignition | Inductive electronic |
| Starting | Electric |
| Max Power | 95 hp / 70.8 kW @ 9000 rpm |
| Max Torque | 77 Nm / 56.7 lb-ft @ 8000 rpm |
| Clutch | Air cooled, |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Front Suspension | 37mm Air assisted forks, |
| Front Wheel Travel | 155 mm / 6.0 in |
| Rear Suspension | Dual air assisted shocks, |
| Rear Wheel Travel | 97 mm / 3.8 in |
| Front Brakes | 2x 280mm discs 2 piston calipers |
| Rear Brakes | Single 297mm disc 1 piston caliper |
| Front Tyre | 110/90-19 |
| Rear Tyre | 130/90-16 |
| Dry Weight | 277 kg / 611 lbs |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Consumption Average | 41.2 mpg |
| Standing 1/4 Mile | 11.9 sec / 177.8 km/h |
| Top Speed | 135 mph 217.3 km/h |
