Running gear troubleshooting (Honda CB 400 SF, 1 generation, 1992-1999) [Information for owner: Maintenance]

Malfunction	Fault definition	Cause of malfunction	Remedy
Knock in the front fork	It is necessary to brake the front wheel and, while pushing the motorcycle back and forth, determine the presence of play in the steering column bearings	Play in the bearings of the steering column	It is necessary to check the steering column bearings and eliminate the play by tightening the regulated torque
Knock in the front fork	It is necessary to hang the front wheel of the motorcycle and check the play of the fork while rocking the feathers up and down	Increased wear on fork tube bushings	Front fork needs repair
Oil leak from front fork	Visually assess the condition of the fixed fork tubes	The sealing seals of the fork feathers are worn or damaged	Seals need to be replaced
The fork turns hard in the steering column	Check the ease of rotation of the fork	Over tightened or worn steering column bearings	It is necessary to loosen the bearings or replace them if necessary
Wheel play on the axle	It is necessary to hang the motorcycle wheel and, by rocking it, determine the play. It is necessary to inspect the wheel bearing seals	Wheel bearings are worn or damaged	Wheel bearings and seals need to be replaced
Strong rear suspension wobble, hard work	Carry out a test drive	Worn shock absorber springs, worn or leaking shock absorber	Shock absorbers need to be replaced
Knocking sound when shock absorbers	It is necessary to check the mounting and condition of the shock absorbers	Worn or damaged bushings and / or silent blocks of shock absorber mounting, weakened tightening of shock absorber mounting	It is necessary to replace the shock absorbers, tightening the fastening with a regulated moment

Running gear troubleshooting (Honda CB400SF/1)