Honda 400 Four (CB400F) Motorcycles

1975 Super Sport 400 (CB400F0)

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, 2 valve per cylinder.
Displacement	408cc
Bore and Stroke	51 x 50 mm
Compression Ratio	9.4:1
Fuel Delivery	Four 20mm Mikuni carburetors
Ignition	Breaker points and condenser
Starter	Electric and kickstart
Max Power	37 hp @ 8500 rpm
Max Torque	N/A
Drivetrain
Transmission	6-speed
Final drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks preload adjustable
Front Brakes	Single 267mm disc
Rear Brakes	160mm drum
Front Tire	3.00-18
Rear Tire	3.50-18
DIMENSION
Fuel capacity	14 Litres (3.7 Gal)
Dry weight	185 kg (407 lb)
OTHER
Colors	Light Ruby Red Varnish Blue

• The fuel tank and side covers were painted one of the basic colors
• The exhaust system was a 4-into-1
• The handlebars were low
• The serial number began CB400F-1000001.

1976 CB400F’76

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, 2 valve per cylinder.
Displacement	408cc
Bore and Stroke	51 x 50 mm
Compression Ratio	9.4:1
Fuel Delivery	Four 20mm Mikuni carburetors
Ignition	Breaker points and condenser
Starter	Electric and kickstart
Max Power	37 hp @ 8500 rpm
Max Torque	N/A
Drivetrain
Transmission	6-speed
Final drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks preload adjustable
Front Brakes	Single 267mm disc
Rear Brakes	160mm drum
Front Tire	3.00-18
Rear Tire	3.50-18
DIMENSION
Fuel capacity	14 Litres (3.7 Gal)
Dry weight	185 kg (407 lb)
OTHER
Colors	ight Ruby Red Parakeet Yellow

• The gas tank was the basic color (red or yellow), but the side covers were black
• The exhaust system was a 4-into-1
• The handlebars were low
• The serial number began CB400F-2000001.

1977 CB400F’77

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, 2 valve per cylinder.
Displacement	408cc
Bore and Stroke	51 x 50 mm
Compression Ratio	9.4:1
Fuel Delivery	Four 20mm Mikuni carburetors
Ignition	Breaker points and condenser
Starter	Electric and kickstart
Max Power	37 hp @ 8500 rpm
Max Torque	N/A
Drivetrain
Transmission	6-speed
Final drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks preload adjustable
Front Brakes	Single 267mm disc
Rear Brakes	160mm drum
Front Tire	3.00-18
Rear Tire	3.50-18
DIMENSION
Fuel capacity	14 Litres (3.7 Gal)
Dry weight	185 kg (407 lb)
OTHER
Colors	Candy Antares Red Parakeet Yellow

• The gas tank stripes were gold and orange on the red bike, but black and red on the yellow bike
• The gas tank filler cap was recessed
• The handlebars were raised
• The exhaust system was a 4-into-1
• The engine was a 408cc 4-stroke SOHC inline four cylinder with four carburetors
• The transmission was a 6-speed
• The serial number began CB400F-2100001.

1978 CB400F

Engine
Engine Type	Air cooled, transverse four cylinder, four stroke, SOHC, 2 valve per cylinder.
Displacement	408cc
Bore and Stroke	51 x 50 mm
Compression Ratio	9.4:1
Fuel Delivery	Four 20mm Mikuni carburetors
Ignition	Breaker points and condenser
Starter	Electric and kickstart
Max Power	37 hp @ 8500 rpm
Max Torque	N/A
Drivetrain
Transmission	6-speed
Final drive	Chain
CHASSIS / SUSPENSION / BRAKES
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks preload adjustable
Front Brakes	Single 267mm disc
Rear Brakes	160mm drum
Front Tire	3.00-18
Rear Tire	3.50-18
DIMENSION
Fuel capacity	14 Litres (3.7 Gal)
Dry weight	185 kg (407 lb)
OTHER
Colors	Red Parakeet Yellow

• The gas tank stripes were gold on the red bike, but black on the yellow bike
• The gas tank filler cap was recessed
• The handlebars were raised
• The exhaust system was a 4-into-1

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