Honda Nighthawk 450 (CB450SC) Motorcycles

1982 Nighthawk 450 (CB450SC’82)

Engine
Engine Type	Air cooled, four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder,
Displacement	447cc (27 cu. in.)
Bore and Stroke	75 X 50.6mm
Compression Ratio	9.1:1
Fuel Delivery	Two 34mm constant velocity
Ignition	Solid state
Starter	Electric
Max Power	45 hp 32.8 KW @ 9000 rpm
Drivetrain
Transmission	6-speed
Final drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic forks 124.5mm wheel travel
Rear Suspension	VHDTM rear shocks
Rear Suspension	Swing arm 97mm wheel travel
Front Brakes	Single 272mm disc
Front Brakes	140mm Drum
Front Tire	100/90-19
Rear Tire	130/90-16
DIMENSION
Rear Tire pressure	36 psi (248 KPa)
Front Tire pressure	32 psi (221 KPa)
Fuel capacity	14 Litres (3.7 Gal)
Dry weight	178 kg (392 lb)
OTHER
Colors	Candy Wineberry Red Cosmo Black Metallic

• The “HONDA” wing tank emblem was gold
• The tank and side cover stripes were chrome
• The speedometer had a 85 mph (135 kph) limit
• The wheels were highlighted black comstars
• The front fender was chrome.
• The serial number began JH2PC054*CM000015.

1983 CB450SC’83

• Colors:
  • Candy Wineberry Red
  • Black
• The pinstripes on the red bike were black, but on the black bike they were gray
• The Honda wing tank emblem was gold
• The front fender was chrome
• The wheels were cast alloy
• The speedometer had a 105 mph (170 km) limit.

Engine Type	447cc, four-stroke, parallel twin, 3-valve per cylinder
Carburetor	30mm constant velocity
Transmission	5-speed plus overdrive sixth speed
Compression Ratio	9.1:1
Suspension	VHDTM rear shocks
Forks	Air-adjustable
Wheels	New cast alloy with tubeless tires
Wheelbase	1450mm (57.1 in)
Seat height	785 mm(30.9 in.)
Fuel capacity	12 liters (3.2 gal.)
Weight	178 kg (392.5 lb)
Front Tire	pressure: 32 psi (221 KPa)
Rear Tire	pressure: 36 psi (248 KPa)

The serial number began JH2PC054*DM100001.

1984 CB450SC’84

Engine Type	447cc, four-stroke, parallel twin
Valves	3-valve per cylinder PentroofTM head
Balance	Dual counterbalancers
Carburetor	30mm constant velocity
Transmission	5-speed plus overdrive sixth speed
Suspension	VHDTM rear shocks
Forks	Air-adjustable
Wheels	New cast alloy with tubeless tires
Wheelbase	1450mm (57.1 in)
Seat height	785 mm(30.9 in.)
Fuel capacity	12 liters (3.2 gal.)
Weight	178 kg (392.5 lb)
Front Tire	pressure: 32 psi (221 KPa)
Rear Tire	36 psi (248 KPa)

The serial number began JH2PC054*EM100001.

1985 CB450SC’85

• Colors:
  • Candy Empire Blue
  • Candy Andromeda Red
• The pinstripes on the blue bike were light blue, but on the red unit they were red
• The Honda wing tank emblem was silver
• The “Nighthawk 450” side cover decal was silver and red
• The front fender was chrome
• The wheels were cast alloy
• The speedometer had a 105 mph (170 km) limit
• The engine was a 447cc 4-stroke SOHC 3-valve parallel twin
• The transmission was a 6-speed
• Front Tire: pressure: 32 psi (221 KPa)
• Rear Tire: pressure: 36 psi (248 KPa)
• The serial number began JH2PC054*FM300001.

1986 CB450SC’86

• Colors:
  • Candy Flair Blue
  • Candy Glory Red
• The pinstripes on the blue bike were silver; but on the red bike they were black
• The Honda wing tank emblem was silver
• The “Nighthawk 450” side cover decal was silver
• The front fender was painted the basic color (blue or red)
• The wheels were cast alloy
• The speedometer had a 105 mph (170 km) limit
• The engine was a 447cc 4-stroke SOHC 3-valve parallel twin
• The transmission was a 6-speed
• Front Tire: pressure: 32 psi (221 KPa)
• Rear Tire: pressure: 36 psi (248 KPa)

The serial number began JH2PC054*GM400001.

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