Kawasaki Z1000SX - Service manual > Balancer

Balancer Removal

• Split the crankcase (see Crankcase Splitting).
• Unscrew:
  Balancer Shaft Clamp Bolt [A]
  Balancer Shaft Lever [B]
  Oil Seal [C]
• Remove the balancer [D] from the upper crankcase half.

Balancer Installation

• Check that the rubber dampers [A] are in place as shown in the figure.

• Apply molybdenum disulfide oil solution to the damper contact portions of the balancer weight.
• Install the balancer weight [A] into the gear [B].
  • Align the punch mark [C] of the balancer weight with the groove [D] of the gear.

• Apply molybdenum disulfide oil solution to the needle bearings. Insert the needle bearings.
• Fit the copper washers [A] on both ends of the weight and gear assembly. The projected sides [B] face inward.

• Insert the pin [A] as shown in the figure.
• Set the balancer on the upper crankcase half.
  • Align the punch mark [B] on the balancer gear [C] with the mark [D] on the balancer drive gear [E] of crankshaft.

• Assemble the crankcase (see Crankcase Assembly).
• Fill the oil seal lips with grease.
• Install the new oil seal [A] so that its surface is flush with the surface of the crankcase.
• Turn the balancer shaft so that its mark [B] faces downward (This photo is shown with the upside down).

• Install the balancer shaft lever [A].
• Apply a non-parmanent locking agent to the threads of the balancer shaft clamp lever bolt [B].
• Tighten:
  Torque -
   Balancer Shaft Clamp Lever Bolt: 25 N*m (2.5 kgf*m, 18 ft*lb)
   Balancer Shaft Clamp Bolt [C]: 9.8 N*m (1.0 kgf*m, 87 in*lb)

Balancer Adjustment

• Remove the lower fairing (see Lower Fairing Removal in the Frame chapter).
• Start the engine and warm it up thoroughly.
• Adjust the balancer gear backlash with the engine idling.

  The amount of backlash can be changed by turning the balancer shaft which has eccentric journals.

  • Start the engine and let it idle.
  • Loosen the clamp bolt [A] and turn the balancer shaft [B] clockwise [C] until the balancer gear makes a whining sound.
  • Turn the shaft counterclockwise [D] until the balancer gear whining sound disappears and tighten the clamp bolt.

Torque - Balancer Shaft Clamp Bolts: 9.8 N*m (1.0 kgf*m, 87 in*lb)

Balancer Damper Inspection

• Remove the balancer and disassemble the weight and gear assembly.
• Visually inspect the rubber dampers [A].

  If they appear damaged or deteriorated, replace them.

See also: