Kawasaki Z400 - Service manual > Rear Shock Absorber

Spring Preload Adjustment

• Using the wrench [A] from the tool kit, turn the adjusting nut to adjust the spring preload.

The standard adjuster setting is 2nd position.

Spring Preload Setting

Standard Position: 2nd position

Adjustable Range: 1st - 5th position

*If the compression of the spring is not suited to the operating conditions, adjust it to an appropriate position by referring to the table below.

Spring Preload Adjustment

Rear Shock Absorber Removal

• Squeeze the brake lever slowly and hold it with a band [A].

WARNING

Be sure to hold the front brake when removing the shock absorber, or the motorcycle may fall over. It  could cause an accident and injury.

• Loosen: Upper Rear Shock Absorber Nut [A] Lower Rear Shock Absorber Nut [B]
• Support the frame using the suitable stand.
• Remove: Upper Rear Shock Absorber Nut and Bolt Lower Rear Shock Absorber Nut and Bolt
• Remove the shock absorber [C] from upside

Rear Shock Absorber Installation

• Install the rear shock absorber brackets [A] if necessary.
• Replace the rear shock absorber bracket nuts with new ones.
• Tighten the rear shock absorber bracket nuts following the tightening sequence [1 - 2].

Torque - Rear Shock Absorber Bracket Nuts: 34 N-m (3.5 kgf-m, 25 Rdb)

Rear Shock Absorber Inspection

• Removal e rear shock absorber (see Rear Shock Absorber Removal).
• Visually inspect the following items.

  Oil Leakage Crack or Dent

*If there is any damage to the rear shock absorber, replace it.

• Visually inspect the rubber bushing [A].

*If it show any signs of damage, replace it.

Rear Shock Absorber Scrapping

WARNING

Since the mar shock absorber contains nitrogen gas, do not incinerate the rear shock absorber without first releasing the gas or it may explode.

Before a rear shock absorber is scrapped, drill a hole at the point [A] shown to release the nitrogen gas completely . Wear safety glasses when drilling the hole, as the gas may below out bits of drilled metal when the hole opens.

• Remove the rear shock absorber (see Raw Shock  Absorber Removal).
• Drill the cylinder of  the shock absorber using about 2 mm (0.08 in.) drillbit.

See also: