Honda CB550K Four Motorcycles

1974 CB550K0 550 Four

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, wet sump
Bore and Stroke	58.5 x 50.6 mm
Valves	2 valves per cylinder
Displacement	544 (33.2 cid)
Compression Ratio	9.0:1
Fuel Delivery	Four 22mm Keihin carburetors
Ignition	Breaker points and condenser
Max Power	50 hp @ 8500 rpm
Max. Torque	30 ft-lb @ 7500 rpm
Starter	Electric
DRIVETRAIN
Transmission	5-speed
Final Drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic fork
Rear Suspension	Monoshock damper, Pro-Link® swingarm, 150mm (5.9 in.) travel
Front Tire	3.25-19
Rear Tire	3.75-18
Front Brakes	Single 270mm disc
Rear Brakes	Drum
DIMENSION
Wet-Weight	192 kg (422 lb)
Fuel Capacity	16 Litres (4.2 Gal)
OTHER
Colors	Flake Sunrise Orange with Black Boss Maroon Metallic with Black Freedom Green Metallic with Black

• The gas tank was 2-tone with a black panel
• The exhaust system was a 4-into-4
• Fuel Consumption: 5.7 L/100km (41 mpg)
• Standing quarter Mile: 14.5 sec / 144.2 km/h (89.6 mph)
• Top Speed: 164 km/h (102 mph)
• The serial number began CB550-1000001.

1975 CB550K1 550 Four

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, wet sump
Bore and Stroke	58.5 x 50.6 mm
Valves	2 valves per cylinder
Displacement	544 (33.2 cid)
Compression Ratio	9.0:1
Fuel Delivery	Four 22mm Keihin carburetors
Ignition	Breaker points and condenser
Max Power	50 hp @ 8500 rpm
Max. Torque	30 ft-lb @ 7500 rpm
Starter	Electric and kickstart
DRIVETRAIN
Transmission	5-speed
Final Drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic fork
Rear Suspension	Monoshock damper, Pro-Link® swingarm, 150mm (5.9 in.) travel
Front Tire	3.25-19
Rear Tire	3.75-18
Front Brakes	Single 270mm disc
Rear Brakes	Drum
DIMENSION
Wet-Weight	192 kg (422 lb)
Fuel Capacity	16 Litres (4.2 Gal)
OTHER
Colors	Candy Jade Green Flake Sunrise Orange

• The gas tank stripe was gold and black
• The instrument faces were dark green
• The exhaust system was a 4-into-4
• Fuel Consumption: 5.7 L/100km (41 mpg)
• Standing quarter Mile: 14.5 sec / 144.2 km/h (89.6 mph)
• Top Speed: 164 km/h (102 mph)
• The serial number began CB550-1200005.

1976 CB550K’76 550 Four

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, wet sump
Bore and Stroke	58.5 x 50.6 mm
Valves	2 valves per cylinder
Displacement	544 (33.2 cid)
Compression Ratio	9.0:1
Fuel Delivery	Four 22mm Keihin carburetors
Ignition	Breaker points and condenser
Max Power	50 hp @ 8500 rpm
Max. Torque	30 ft-lb @ 7500 rpm
Starter	Electric and kickstart
DRIVETRAIN
Transmission	5-speed
Final Drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic fork
Rear Suspension	Monoshock damper, Pro-Link® swingarm, 150mm (5.9 in.) travel
Front Tire	3.25-19
Rear Tire	3.75-18
Front Brakes	Single 270mm disc
Rear Brakes	Drum
DIMENSION
Wet-Weight	192 kg (422 lb)
Fuel Capacity	16 Litres (4.2 Gal)
OTHER

• It camein Candy Garnet Brown
• The gas tank stripe was gold and black
• The instrument faces were light green
• The exhaust system was a 4-into-4
• Fuel Consumption: 5.7 L/100km (41 mpg)
• Standing quarter Mile: 14.5 sec / 144.2 km/h (89.6 mph)
• Top Speed: 164 km/h (102 mph)
• The serial number began CB550-1230001..

1977 CB550K’77 550 Four K

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, wet sump
Bore and Stroke	58.5 x 50.6 mm
Valves	2 valves per cylinder
Displacement	544 (33.2 cid)
Compression Ratio	9.0:1
Fuel Delivery	Four 22mm Keihin carburetors
Ignition	Breaker points and condenser
Max Power	50 hp @ 8500 rpm
Max. Torque	30 ft-lb @ 7500 rpm
Starter	Electric and kickstart
DRIVETRAIN
Transmission	5-speed
Final Drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic fork
Rear Suspension	Monoshock damper, Pro-Link® swingarm, 150mm (5.9 in.) travel
Front Tire	3.25-19
Rear Tire	3.75-18
Front Brakes	Single 270mm disc
Rear Brakes	Drum
DIMENSION
Wet-Weight	192 kg (422 lb)
Fuel Capacity	16 Litres (4.2 Gal)
OTHER

• It camein Excel Black
• The gas tank stripe was red with a gold pinstripe
• The “550 Four K” side cover emblem was gold
• The exhaust system was a 4-into-4
• Fuel Consumption: 5.7 L/100km (41 mpg)
• Standing quarter Mile: 14.5 sec / 144.2 km/h (89.6 mph)
• Top Speed: 164 km/h (102 mph)
• The serial number began CB550-2000007.

1978 CB550K’78 550 Four K

 

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, wet sump
Bore and Stroke	58.5 x 50.6 mm
Valves	2 valves per cylinder
Displacement	544 (33.2 cid)
Compression Ratio	9.0:1
Fuel Delivery	Four 22mm Keihin carburetors
Ignition	Breaker points and condenser
Max Power	50 hp @ 8500 rpm
Max. Torque	30 ft-lb @ 7500 rpm
Starter	Electric and kickstart
DRIVETRAIN
Transmission	5-speed
Final Drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic fork
Rear Suspension	Monoshock damper, Pro-Link® swingarm, 150mm (5.9 in.) travel
Front Tire	3.25-19
Rear Tire	3.75-18
Front Brakes	Single 270mm disc
Rear Brakes	Drum
DIMENSION
Wet-Weight	192 kg (422 lb)
Fuel Capacity	16 Litres (4.2 Gal)
OTHER
Colors	Candy Alpha Red Black

• The gas tank stripe was red with a gold pinstripe
• The “550 FOUR” side cover emblem was gold
• The “K” side cover decal and stripe were gold
• The seat had a dual contour
• The exhaust system was a 4-into-4
• Fuel Consumption: 5.7 L/100km (41 mpg)
• Standing quarter Mile: 14.5 sec / 144.2 km/h (89.6 mph)
• Top Speed: 164 km/h (102 mph)
• The serial number began CB550-2100001.

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