Honda CB650SC

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Honda CB650SC
Manufacturer Honda
Also called Nighthawk,
Production 82-85
Successor Honda CB700SC
Engine 650cc
Sparkplug DR8ESL '82
DPR8EA-9 '83-85
Battery YB12A-A '82
YB12AL-A '83-85
Front Tire 3.50-19 '82 , '83-85
Rear Tire 130/90-16 '82 , '83-85
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Honda CB650SC is a motorcycle produced by Honda from 1982 to 1985, more commonly known as the Nighthawk 650.


The CB650SC'82 Nighthawk 650 was sold in 1982 in Candy Flair Blue or Cosmo Black Metallic. The headlight and instruments were round. The frame color was the basic color (blue or black). The stripe was chrome. The exhaust was a 4-into-4. The clutch was cable operated. The valve adjusters were screen-type. The drive train was chain driven. The engine was a 627cc SOHC 2-valve inline four cylinder linked to a 5-speed transmission. The serial number began JH2RC080*CM000013.


The CB650SC'83 Nighthawk 650 was sold in 1983 in one of two colors: Pearl Siren Blue or Candy Wineberry Red. The headlight and instruments were rectangular. The exhaust system was a 4-into-2. The forks had the "TRAC" anti-dive system. The emblem was located above the axle. The speedometer numbers were marked in increments of 10 (i.e, 10, 20, 30, 40, etc.). The engine used hydraulic valve adjusters and clutch.

  • Engine: Completely new 655cc, DOHC inline four-cylinder
  • Power: 72 horsepower
  • Valve train: Hydraulic Valve Adjuster system
  • Transmission: 6-speed
  • Drive: Shaft
  • Clutch: Self-adjusting Hydraulic
  • Brakes: Dual front disc brakes with twin piston calipers
  • Oil: Oil cooler
  • Wheelbase: 1460mm (57.5 in)
  • Seat height: 777 mm(31.1 in.)
  • Fuel capacity: 13 liters (3.4 gal.)
  • Weight: 197 kg (434.3 lb)
  • The serial number began JH2RC130*DM000034


The CB650SC'84 Nighthawk 650 was sold in 1984 in one of two colors: Black or Candy Bourgogne Red. The "TRAC" fork emblem was located below the axle.

  • Engine: 655cc
  • Valves: 16-valve hydraulic valve adjuster system
  • Power: 72 hp
  • Drive: Shaft
  • Transmission: Five-speed plus overdrive sixth
  • Wheelbase: 1460mm (57.5 in)
  • Seat height: 790 mm(31.1 in.)
  • Weight: 197 kg (434.2 lb)
  • The serial number began JH2RC130*EM100001


1985 Honda Nighthawk 650

The CB650SC'85 was sold in 1985 in one of two colors: Candy Scorpio Red or Candy Empire Blue. The "NIGHTHAWK 650" side cover logo was in block letters. The speedometer numbers were in increments of 10 (i.e., 15, 25, 35, 45, etc.). The serial number begins JH2RC130*FM200001