Segment: Clasic
Production years: 1974, 1975
The Honda CB400F was a motorcycle manufactured by the Japanese maker from 1975 to 1977, with its first appearance at the 1994 Cologne Motorcycle Show, Intermot, and later dropped from Honda's range in 1978.
Before the CB400F, Honda introduced the four-cylinder CB750 motorcycle in 1969 and followed with a range of smaller-capacity bikes, such as the CB500 Four in 1971 and the CB350 Four in 1972. Also, the CB350F was available for only two years until Honda announced the CB400F model.
The 1975 CB400F was an upgraded version of the CB350 from the previous year and was limited just to mechanical changes because Honda was more focused on automobile models such as the Honda Civic.
To make the transition from the CB350F to the CB400F, the Japanese motorcycle manufacturer increased the bore, modified the cylinder head for more compression, and as a first for Honda, a sixth ratio was added to the gearbox.
For suspension, the bike packed a telescopic fork on the front and dual shock absorbers with preload adjustability on the rear, while the braking performance was handled by a 267 mm disc with a hydraulic caliper on the front wheel and a drum unit on the rear wheel.
In the power department, the 1975 Honda CB400F had its soul brought to life by a 408cc four-stroke four-cylinder air-cooled engine fed by four Mikuni carburetors that helped deliver an output power of 37 hp at 8,500 rpm and 33 Nm (24 lb-ft) of torque available at 7,500 rpm.
engine specs | Type: | air-cooled, four-stroke, transverse four cylinder, SOHC, 2 valves per cylinder | Displacement: | 408 cm3 | Bore X Stroke: | 2.0x2.0 in OR 51 mm | Compression Ratio: | 9.4:1 | Horsepower: | 37/8500 KW(hp)/RPM | Torque: | 24/7500 lb-ft/RPM OR 33/7500 Nm/RPM | Fuel System: | 4x20mm Mikuni carburetors |
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transmission specs | Gearbox: | 6-speed, manual | Clutch: | - | Primary Drive: | - | Final Drive: | chain |
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chassis specs | Frame: | steel | Front Suspension: | telescopic fork | Rear Suspension: | dual shock absorbers | Front Brake: | single 267mm disc | Rear Brake: | 160mm drum |
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dimension specs | Overall Length: | - | Overall Width: | - | Seat Height: | - | Wheelbase: | - | Ground Clearance: | - | Weight: | 408 lbs OR 185 kg | Fuel Capacity: | 3.7 gallons OR 14.0 L |
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tyres specs | Front: | 3.00 - 18 | Rear: | 3.50 - 18 |
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power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
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