Kawasaki Z400 - Service manual > Suspension

Suspension System Inspection

Front Fork/Rear Shock Absorber Operation Inspection

• Pump the forks dam and up [A] 4 or 5 times, and inspect the smooth  stroke.

If the forks do not smoothly or noise is found, inspect the fork oil level or fork champs (see Front Fork Oil Change  in the Suspension  chapter).

• Pump the seat down and up [A] 4 or 5 times, and inspect the smooth stroke.

If the shock absorber does not smoothly or noise is found, inspect the oil leak (see  Rear Shock  Absorber oil Leak Inspection).

Front Fork Oil Leak Inspection

Visually inspect the front forks [A] for oil leakage.

Replace my defective parts, if necessary.

Rear Shock Absorber oil Leak Inspection

Visually inspect the shock absorber [A] for oil leakage

If the oil leakage is found on it, replace the shock absorber with a new one.

Rocker Arm Operation Inspection

• Pump the seat down and up 4 or 5 times, and inspect the smooth stroke

If the rocker arm [A] does not smoothly stroke or noise is found, inspect the fasteners and bearings (see Rocker Arm/Tie-Rod Bearing, Sleeve Inspection in the Suspension chapter).

Tie-Rod Operation Inspection

• Pump the seat down and up 4 or 5 times, and inspect the smooth stroke.

If the tie-rods [A] do not smoothly stroke or noise is found, inspect the Fasteners and tie-rod bushing (see Tie-Rod, Rocker Ann Bushing, Sleeve Inspection in the Suspension chapter).

Lubrication of Rear Suspension

Swingarm Pivot Lubrication

• Remove

Swingarm (see Swingann Removal in the Suspension chapter) Grease Seals (Both Sides) Sleeves [A]

• Using a high flash-point solvent, dean the old grease out of the needle bearings [B].
• Apply plenty of grease to the inner surface of the needle bearings.
• Apply thin coat of grease to the lips of the oil seals.

  Install the swingarm (see Swingarm Installation in the Suspension chapter).

See also: