Honda CB650C Custom: review, history, specs

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Honda-CB-650-Custom.jpg
Honda CB650C Custom
Manufacturer
Production 1980 - 1981
Class Standard
Engine
Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder.
Compression ratio 9.0:1
Top Speed 135 mph
Air Filter K&N HA-7580 `81-82[1]
Ignition Transistorized
Spark Plug NGK D8EA '80-81
Battery YUASA YB12A-A '80-81
Transmission 5 Speed
Final Drive Chain: 530x104
Front Sprocket 16T
Rear Sprocket 39T
Suspension Front: Centre axle coil spring forks
Rear: Dual Showa dampers. adjustable spring preload.
Brakes Front: Single 275mm discs 1 piston calipers
Rear: 180mm Drum
Front Tire 3.50-19
Rear Tire 130/90-16
Wheelbase 1480 mm / 58.3 in
Seat Height 760 mm / 30.1 in
Weight 220 kg / 485 lbs (dry),
Recommended Oil Honda GN4 10W-40
Fuel Capacity 13.5 Liters / 3.5 US gal
Manuals Service Manual

Brochures ·

The Honda CB650C is a motorcycle produced by Honda from 1980 to 1981.


Overview[edit | edit source]

The CB650 custom was a motorcycle made by Honda between 1980 and 1981.

The styling features that separated the custom from the standard CB650 are:

  • Highlighted, black Honda ComStar wheels
  • 4-4 exhaust pipes
  • Pull-back "wheelbarrow" handle bars
  • Extended front air-forks
  • Vibration-resistant mirrors
  • Custom side-emblems
  • Chrome covered rear-shocks
  • Dual front disk brakes

Engine[edit | edit source]

The engine was a Air cooled. cooled Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder.. The engine featured a 9.0:1 compression ratio.

Chassis[edit | edit source]

It came with a 3.50-19 front tire and a 130/90-16 rear tire. Stopping was achieved via Single 275mm discs 1 piston calipers in the front and a 180mm Drum in the rear. The front suspension was a Centre axle coil spring forks while the rear was equipped with a Dual Showa dampers. adjustable spring preload.. The CB650C Custom was fitted with a 13.5 Liters / 3.5 US gal fuel tank. The bike weighed just 220 kg / 485 lbs. The wheelbase was 1480 mm / 58.3 in long.

Photos[edit | edit source]

Honda CB650C Custom


1980[edit | edit source]

1980 Honda CB650C
1980 Honda CB650C in Candy Muse Red
1980 Honda CB650C in Candy Muse Red
1980 Honda CB650C in Candy Muse Red
1980 Honda CB650C in Candy Muse Red
1980 Honda CB650C in Candy Muse Red


The CB650C'80 650 Custom was sold in 1980 in Black or Candy Muse Red. The gas tank and side covers were solid color. The exhaust system was a 4-into-4. The front forks had a straight axle (no air assist). The single front disc brake was hydraulic. The engine was a 627cc 4-cylinder linked to a 5-speed transmission. The serial number began RC05-2000008.

1981[edit | edit source]

1981 Honda CB650C
1981 Honda CB650C in Blue
1981 Honda CB650C in Blue
1981 Honda CB650C in Blue
1981 Honda CB650C in Blue


The CB650C'81 Custom was sold in 1981 in one of two color schemes: Candy Universal Blue with Metallic Blue or Candy Muse Red with Metallic Brown. The gas tank and side covers were 2-tone. The bike had a leading axle and air assisted front forks. The dual front disc brakes were hydraulic operated. The engine was a 627cc 4-cylinder linked to a 5-speed transmission. The serial number began JH2RC051*BM100009

1981 Honda Motorcycle Full-Line Brochure

1983[edit | edit source]

1983 Honda CX650C
1983 Honda CX650C in Candy Wineberry Red
1983 Honda CX650C in Candy Wineberry Red
1983 Honda CX650C in Candy Wineberry Red
1983 Honda CX650 in Maroon
1983 Honda CX650 in Maroon
1983 Honda CX650 in Maroon
1983 Honda CX650 in Maroon
1983 Honda CX650 in Maroon
1983 Honda CX650 in Maroon


The CX650C'83 Custom was sold in 1983 in one of two color schemes: Black or Candy Wineberry Red. The Honda CX650 had headlights and instruments that were round. The side covers were 2-tone in the basic color (black or red) and chrome. The "CUSTOM CX" rear fender decals were gold.

  • Engine: 674cc OHV liquid-cooled transversed V-twin
  • Cylinder heads: Unique four-valve Pentroof™ cylinder heads
  • Transmission: Five-speed
  • Drive: Shaft
  • Ignition: Solid state
  • Wheelbase: 1514mm (59.6 in.)
  • Seat height: 780mm (30.7 in.)
  • Fuel capacity: 12.5 liters (3.3 gal.)
  • Dry weight: 196 kg (432 lb)
  • The serial number began JH2RC110*DM000018.



Specifications[edit | edit source]

Make Model Honda CB 650 Custom
Year 1980-81
Engine Type Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder.
Displacement 626.8 cc / 38.2 cu-in
Bore X Stroke 59.8 x 55.8 mm
Cooling System Air cooled.
Compression 9.0:1
Induction 4x 26mm Keihin carburetors
Ignition Transistorized
Starting Electric
Max Power 63 hp / 46.9 kW @ 9000 rpm
Max Torque 51.5 Nm / 38 ft-lb @ 8000 rpm
Transmission 5 Speed
Final Drive Chain
Front Suspension Centre axle coil spring forks
Front Wheel Travel 135 mm / 5.3 in
Rear Suspension Dual Showa dampers. adjustable spring preload.
Rear Wheel Travel 91 mm / 3.5 in
Front Brakes Single 275mm discs 1 piston calipers
Rear Brakes 180mm Drum
Front Tire 3.50-19
Rear Tire 130/90-16
Trail 121 mm / 4.6 in
Wheelbase 1480 mm / 58.3 in
Seat Height 760 mm / 30.1 in
Dry Weight 220 kg / 485 lbs
Fuel Capacity 13.5 Liters / 3.5 US gal

References[edit | edit source]

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.