Honda CB900C (1980)

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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

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