Engine Type: Four-stroke, DOHC, air cooled, 399 cc
Compression ratio: 10.4:1
Bore x Stroke: 66.8 mm x 65.5 mm
ignition system: Transistorized Ignition
Starter: Electric
Transmission: 6-Speed
Front suspension: 41 mm Telescopic Fork
Rear Suspension: Monoshock
Brakes: Hydraulic disc brakes (front and rear)
Tires:
Front tire: 110/70-17
Rear tire: 140/70-17
Battery: 12V-8Ah
Generator: 5,000 rpm 0.288kw
Headlight: 12V-60/55W
Turn Signal Lights: 12v-3/32cp sae no.1157
Main Fuse: 30A
Recommended Engine Oil: Honda 4 stroke oil
Idling speed: 1300 ± 100 rpm
Frequently Asked Questions
Q: What is the maximum weight capacity for the Honda CB400F?
A: The maximum weight capacity for the Honda CB400F is 347 pounds/157 kilograms.
Q: What type of oil should be used in the Honda CB400F?
A: Honda CB400F is best suited with Honda 4-stroke oil or any other equivalent that complies with the United States automobile manufacturers requirements for service classification SE or SF.
Q: In what interval should the engine oil be replaced?
A: The schedule specified in the owner’s manual should be adhered to, it is usually done at fixed intervals based on use.
Q: What are the tire specifications for the Honda CB400F?
A: For this bike, the front tire size is 110/70-17, while the rear tire size is 140/70-17.
Q: Does the CB400F come with a manual fuel valve or an automatic one?
A: Under the left side of the fuel tank, a manual fuel valve is fitted which disables auto fueling on the CB400F.
Q: What is the procedure on how to start the Honda CB400F engine?
A: To start the engine, make sure that the ignition switch is in the ON position, make sure that the transmission is in neutral and then press the starter button.
Q: What course of action should be taken when the oil pressure warning light is on even after the engine has started?
A: In case the oil pressure warning light remains lit, turn off the engine right away and determine the level of engine oil. The engine should not be run if the oil pressure is low or absent as it can seriously damage the engine.
Q: What operations should be carried out before long term storage?
A: It is recommended to change the oil, refill the cooling system with an antifreeze which is mixed 50% water and 50% antifreeze, drain the fuel and the carburetors, remove the battery and store them separately.
User Manual
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