Honda CB650: review, history, specs

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1979-Honda-CB650-BlackMaroon-0.jpg
Honda CB650
Manufacturer
Production 1978 - 1981
Class Classic
Engine
650cc in-line four, four-stroke
Bore / Stroke 67.0mm x 46.0mm
Compression ratio 11.4:1
Top Speed 145 mph (233 km/h)
Horsepower 91.86 HP (68.5 KW) @ 12000RPM
Torque 47.21 ft/lbs (64.0 Nm) @ 8500RPM
Fuel System injection. pgm-fi
Air Filter K&N HA-7580 `81-82[1]
Ignition computer-controlled digital transistorised with electronic advance
Spark Plug NGK DR8ESL '82
NGK D8EA '79 , '80-81
Battery YUASA YB12A-A '79 , '80-81 , '82
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet, multiplate with coil springs
Final Drive Chain: 530x102
Front Sprocket 17T
Rear Sprocket 39T
Suspension Front: showa separate function fork (sff) usd
Rear: monoshock damper with adjustable preload
Brakes Front: double disc. abs. hydraulic
Rear: single disc. hydraulic. single-piston caliper.
Front Tire 120/70-zr17
Rear Tire 180/55-zr17
Wheelbase 57.09 inches (1450 mm)
Length 83.86 inches (2130 mm)
Width 29.53 inches (750 mm)
Height 45.28 inches (1150 mm)
Seat Height 31.89 inches (810 mm)
Weight 434.31 pounds (197.0 Kg) (dry), 207.0 kg (wet)
Oil Capacity 0.92 Gallon (3.50 Liters)
Oil Filter K&N KN-401[1]
Recommended Oil Honda GN4 10W-40
Fuel Capacity 4.07 Gallon (15.40 Liters)
Fuel Consumption 4.76 liters/100 km (21.0 km/l or 49.42 mpg)
Related Honda CB650SC, Honda CB650F, Honda CB650C
Competition BMW R65
Honda CB650
Honda CX500
Kawasaki KZ650B
Suzuki GS550
Yamaha XS650
Yamaha SR500
Manuals Service Manual

Brochures ·

The Honda CB650 was a in-line four, four-stroke Classic motorcycle produced by Honda between 1978 and 1981. It could reach a top speed of 145 mph (233 km/h). Max torque was 47.21 ft/lbs (64.0 Nm) @ 8500 RPM. Claimed horsepower was 91.86 HP (68.5 KW) @ 12000 RPM.

Engine[edit | edit source]

The engine was a air cooled in-line four, four-stroke. A 67.0mm bore x 46.0mm stroke result in a displacement of just 649.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet, multiplate with coil springs.

Chassis[edit | edit source]

It came with a 120/70-zr17 front tire and a 180/55-zr17 rear tire. Stopping was achieved via a single disc single piston caliper hydraulic in the front and a mechanical drum in the rear. The front suspension was a showa separate function fork (sff) usd while the rear was equipped with dual shocks with adjustable preload. The CB650R was fitted with a 4.07 Gallon (15.40 Liters) fuel tank. The bike weighed just 434.31 pounds (197.0 Kg). The wheelbase was 57.09 inches (1450 mm) long.

1978 Honda CB 650[edit | edit source]

The 1978 MY Honda CB 650 has, at its heart, an air-cooled, four-stroke, 627cc, transverse four cylinder powerhouse that was paired to a five-speed manual transmission with a chain final drive, that can produce a claimed 63 horsepower and 52 Nm of torque.

Standard features for this classic machine include a telescopic front fork, dual Showa shock absorbers as a rear suspension, cast-aluminum wheels, a blacked-out steel frame, an analogue instrument cluster, a round headlight, a dual seat with a passenger grab rail, a chromed exhaust system and a front disc brake coupled to a rear drum brake.

1979[edit | edit source]

1979 Honda CB650
1979 Honda CB650
1979 Honda CB650 in Black/Maroon
1979 Honda CB650 in Black/Maroon
1979 Honda CB650 in Black/Maroon
1979 Honda CB650 in Black/Maroon
1979 Honda CB650 in Black/Maroon
1979 Honda CB650 in Black/Maroon


The CB650'79 was sold in 1979 in one of two color schemes: Candy Bayard Brown or Black and Maroon. The gas tank and side covers were 2-tone. The pinstripes were gold. the "650" side cover decal was red and gold. The wheels were black comstar. The exhaust system was a 4-into-2. The engine was a 627cc SOHC inline four linked to a 5-speed transmission and a chain drive. The serial number began RC03-2002472


The 1979 MY Honda CB 650 has been equipped with a telescopic front fork, dual Showa shock absorbers as a rear suspension, cast-aluminum wheels, a blacked-out steel frame, an analogue instrument cluster, a round headlight, a dual seat with a passenger grab rail, a chromed exhaust system and a front disc brake coupled to a rear drum brake.

In the engine department it is powered by an air-cooled, four-stroke, 627cc, transverse four cylinder powerplant, mated to a five-speed manual transmission with a chain final drive, that can produce a claimed 63 horsepower and 52 Nm of torque.

1980[edit | edit source]

1980 Honda CB650


The CB650'80 was sold in 1980 in one of two colors: Black or Candy Bourgogne Red. The brakes featured front disc with single piston caliper. The gas tank, seat, and side cover had a new design. The wheels used wire spokes. The exhaust system was a 4-into-2. The engine was a 627cc SOHC inline four linked to a 5-speed transmission and a chain drive. The serial number began RC05-2100002


The 1980 MY Honda CB 650 boasts a maximum power output of 63 horsepower and 52 Nm of torque from its four-stroke, air-cooled, 627cc, transverse four cylinder powerhouse that was mated to a five-speed manual transmission with a chain final drive.

In addition, it comes with a telescopic front fork, dual Showa shock absorbers as a rear suspension, cast-aluminum wheels, a blacked-out steel frame, an analogue instrument cluster, a round headlight, a dual seat with a passenger grab rail, a chromed exhaust system and a front disc brake coupled to a rear drum brake.

1981[edit | edit source]

1981 Honda CB650


The CB650'81 was sold in 1981 in one of two colors: Cosmo Black Metallic or Candy Bourgogne Red. The bike had an air adjustable front suspension. The brakes featured front disc with single piston caliper. The gas tank, seat, and side cover had a new design. The wheels used wire spokes. The exhaust system was a 4-into-2. The engine was a 627cc SOHC inline four linked to a 5-speed transmission and a chain drive. The serial number began JH2RC050*BM200013

The CB650 Custom sported 2 front disc brakes and a 4 into 4 exhaust

The 1981 MY Honda CB 650 has standard fittings such as a telescopic front fork, dual Showa shock absorbers as a rear suspension, cast-aluminum wheels, a blacked-out steel frame, an analogue instrument cluster, a round headlight, a dual seat with a passenger grab rail, a chromed exhaust system and a front disc brake coupled to a rear drum brake.

Also, this classic machine can produce a claimed 63 horsepower and 52 Nm of torque from its air-cooled, four-stroke, 627cc, transverse four cylinder powerplant that was paired to a five-speed manual transmission with a chain final drive.


1981 Honda Motorcycle Full-Line Brochure

1982[edit | edit source]

1982 Honda CB650


The CB650'82 was sold in 1982 in Candy Muse Red. The "CB650" side cover emblem was gold and red. The front disc brake had a twin piston caliper. The gas tank, seat, and side cover had a new design. The engine was a 627cc SOHC inline four linked to a 5-speed transmission and a chain drive. The serial number began JH2RC050*CM300003

1982 Honda CB 650 1982 Honda CB 650

The 1982 MY Honda CB 650 has, at its heart, a four-stroke, air-cooled, 626cc, transverse four cylinder powerplant that was paired to a five-speed manual transmission with a chain final drive, and can reach a maximum power output of 63 horsepower and 52 Nm of torque.

Standard fittings for this machine include a blacked-out, steel frame, a chromed exhaust system, a dual seat with a pillion grab rail, a telescopic front fork, dual adjustable shock absorbers as a rear suspension, a round headlight with a chromed ring, an analogue instrument cluster, a front disc brake coupled to a rear drum and laced wheels.


In Media[edit | edit source]


References[edit | edit source]

  1. 1.0 1.1 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.