Honda Nighthawk 550 CB550SC Motorcycles

1983 Nighthawk 550 (CB550SC'83)

ENGINE
- Engine: Air cooled, transverse four cylinder, four stroke, DOHC
- Valving: 4 valves per cylinder.
- Displacement: 572 (34.9 cid)
- Bore and Stroke: 60 x 50.6 mm
- Compression Ratio: 9.5:1
- Fuel Delivery: Four 26.8mm Keihin CV
- Ignition: Transistorized pointless
- Starter: Electric
- Fuel type: Regular gasoline
- Alternator: Brushless
- Max Power: 64 hp @ 9500 rpm
- Max Torque: 36 ft-lb @ 8000 rpm
DRIVETRAIN
- Transmission: 6-speed constant mesh (6th is overdrive)
- Clutch: Wet, multi-plate
- Final drive: Shaft
CHASSIS / SUSPENSION / BRAKES
- Front Suspension: 37mm Air assisted Telescopic fork, 160mm wheel travel.
- Rear Suspension: Swing arm, 104mm wheel travel, twin shocks
- Front Brakes: Single 320mm disc, double piston caliper
- Rear Brakes: 160mm Drum
- Front Tire: 100/90H19
- Rear Tire: 130/90H16
DIMENSION
- Wheelbase: 1440 mm (56.7 inches)
- Overall Length: 2150mm (84.6 inches)
- Overall Width: 870mm (34.2 inches)
- Seat height: 800mm (31.5 inches)
- Dry Weight: 190 kg (418.8 lb)
- Fuel Capacity: 12 Litres (3.2 Gal)
OTHER
- Colors:
  - Candy Presto Red
  - Black
- It had a chrome rectangular headlight and a 4-into-2 exhaust system.
- Fuel Consumption: 5.7 L/100km (41 mpg)
- Standing Quarter Mile: 12.6 sec / 164 km/h (102 mph)
- Top Speed: 187 km/h (116 mph)
- The serial number began JH2PC0901DM000023

ENGINE
- Engine: Air cooled, transverse four cylinder, four stroke, DOHC
- Valving: 4 valves per cylinder.
- Displacement: 572 (34.9 cid)
- Bore and Stroke: 60 x 50.6 mm
- Compression Ratio: 9.5:1
- Fuel Delivery: Four 27mm Keihin CV
- Ignition: Transistorized pointless
- Starter: Electric
- Fuel type: Regular gasoline
- Alternator: Brushless
- Max Power: 64 hp @ 9500 rpm
- Max Torque: 36 ft-lb @ 8000 rpm
DRIVETRAIN
- Transmission: 6-speed constant mesh (6th is overdrive)
- Clutch: Wet, multi-plate
- Final drive: Shaft
CHASSIS / SUSPENSION / BRAKES
- Front Suspension: 37mm Air assisted Telescopic fork, 160mm wheel travel.
- Rear Suspension: Swing arm, 104mm wheel travel, twin shocks
- Front Brakes: Single 320mm disc, double piston caliper
- Rear Brakes: 160mm Drum
- Front Tire: 100/90H19
- Rear Tire: 130/90H16
DIMENSION
- Wheelbase: 1440 mm (56.7 inches)
- Overall Length: 2150mm (84.6 inches)
- Overall Width: 870mm (34.2 inches)
- Seat height: 790mm (31.1 inches)
- Dry Weight: 190 kg (418.8 lb)
- Fuel Capacity: 12 Litres (3.2 Gal)
OTHER
- Fuel Consumption: 5.7 L/100km (41 mpg)
- Standing Quarter Mile: 12.6 sec / 164 km/h (102 mph)
- Top Speed: 187 km/h (116 mph)
- The serial number began JH2PC0901EM000023