Engine power supply and exhaust systems Honda CB400SF/1 (1992-1999)

Safety measures for the maintenance and repair of the power system
When servicing and repairing the power system, you must remember that gasoline is an extremely flammable and explosive liquid. When working with fuel, you can get serious burns and injuries if you do not follow safety precautions. When refueling a...

General scheme of the power system
The Honda CB400SF motorcycle power system includes a fuel tank with a tap, fuel hoses, carburetors, and an air filter. The motorcycle uses an 18 liter fuel tank. The reserve volume is about sin liters. The fuel tank is welded from several parts...

Air filter — replacing the filter element
Honda CB400SF motorcycles are equipped with an air filter with a replaceable paper filter element. The filter element must be replaced every 20,000 km or as it becomes dirty. Advice. When using the motorcycle on dusty roads, we recommend changing...

Idle system — speed control
Adjustment of system of idling is carried out on the heated-up engine. To warm up, it is enough to ride a motorcycle for 10 minutes. The adjustment knob is located under the fuel tank, between the carburetors of the second and third cylinders. The...

Fuel valve — removal, disassembly, assembly and installation
Removing To remove the fuel cock, it is necessary to unscrew the bolts securing the fuel tank and raise the tank (see « Fuel tank - removal and installation »). 1. Disconnect the vacuum and fuel hoses from the fuel cock. 2. With a 27 mm wrench,...

Carburetor bar — removal and installation
To remove the carburetor bar, you must first remove the fuel tank (see « Fuel tank - removal and installation »). Removing 1. With a 10 mm wrench, unscrew the two bolts securing the air filter housing (one each left and right). 2. Using a Phillips...

Carburettors — disassembly, assembly and flushing
Flushing, adjustment and synchronization of carburetors must be done every 12,000 km. Removed carburetor bar (see « Plank carburetors - removal and installation »). Disassembly Attention! Before starting work on disassembling and washing the...

Carburettors — Synchronization
Attention! Synchronizing the carburetors of an inline four-cylinder engine is a very important and complex operation. It is not recommended to conduct it if you are not confident in your abilities. In this case, it is better to contact specialists....

System of release of the fulfilled gases — check of a technical condition
It is recommended to check the technical condition of the exhaust system once a year during the technical inspection of the motorcycle. It is necessary to check the tightness of the connections of the exhaust system with the cylinder head, the...

System of release of the fulfilled gases — removal and installation
Place the motorcycle on the center stand. Removing I. Using a 10 mm socket wrench, unscrew the eight nuts securing the pipes of the exhaust system to the cylinder head. 2. With a 5 mm hex wrench, unscrew the rear bolt and with a 6 mm hex wrench, the...