Honda CB 750SC Nighthawk (1982-83)

The Honda CB 750SC Nighthawk was a motorcycle produced in 1982-83. It had a four-stroke transverse four-cylinder engine with DOHC and 4 valves per cylinder, capable of producing 70 hp at 7200 RPM and 56.2 Nm of torque at 7500 RPM. It was fitted with 4x 30mm Keihin carburetors and CDI ignition. The bike had a wet sump lubrication system and a compression ratio of 9.3:1. The transmission was 5-speed, and the final drive was a chain. The frame was a dual downtube, full cradle made of mild steel. The front suspension was 37mm air-assisted forks, and the rear suspension was dual shocks. The bike weighed 213 kg dry and 226 kg wet, had a fuel capacity of 16 liters, and its maximum speed was approximately 193 km/h. The front brakes had two 276mm discs with a 2-piston caliper while the rear brake was 180mm drum. Its dimensions were 2184 mm in length, 800 mm in width, and 792 mm in height. The wheelbase was 1544 mm with a ground clearance of 163 mm. The motorcycle had a rake of 29.6 degrees and a trail of 119 mm. The bike had a front tyre of 110/90 H16 and a rear tyre of 130/90 H16.

Technical specifications:

Make Model: Honda CB 750SC Nighthawk

Year: 1982-83

Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 749 cc / 45.7 cu-in
Bore x Stroke: 62 x 62 mm
Cooling System: Air cooled,
Compression Ratio: 9.3:1
Lubrication: Wet sump
Induction: 4x 30mm Keihin carburetors
Ignition: CDI
Starting: Electric
Max Power: 70 hp / 51.1 kW @ 7200 rpm
Max Torque: 56.2 Nm / 41.5 ft-lb @ 7500 rpm
Clutch: Wet plate
Transmission: 5 Speed
Final Drive: Chain
Frame: Dual downtube, full cradle, mild steel

Front Suspension: 37mm Air assisted forks
Front Wheel Travel: 152 mm / 5.9 in
Rear Suspension: Dual shocks
Rear Wheel Travel: 93 mm / 3.6 in
Front Brakes: 2x 276mm disc 2 piston caliper
Rear Brakes: 180mm Drum
Front Tyre: 110/90 H16
Rear Tyre: 130/90 H16
Rake: 29.6 degrees
Trail: 119 mm / 4.7 in
Dimensions: Height 792 mm / 31.2 in Length 2184 mm / 86.0 in Width 800 mm / 31.5 in
Wheelbase: 1544 mm / 60.8 in
Ground Clearance: 163 mm / 6.4 in
Dry Weight: 213 lg / 466 lbs
Wet Weight: 226 kg / 497 lbs
Fuel Capacity: 16 Litres / US 4.2 gal

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