Service Manual (KLZ1000C) — page 420 of 762

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13-28 SUSPENSION
Front Fork
Inner Tube, Outer Tube Inspection
• Visually inspect the inner tube [A].
  If there is any damage, replace the inner tube. Since
  damage to the inner tube damages the oil seal and dust
  seal, replace the oil seal and dust seal whenever the inner
  tube is replaced.
                          NOTICE
  If the inner tube is badly bent or creased, replace
  it. Excessive bending, followed by subsequent
  straightening, can weaken the inner tube.

• Temporarily assemble the inner tube [A] and outer tube
  [B], and pump [C] them back and forth manually to check
  for smooth operation.
  If you feel binding or catching, the inner and outer tubes
  must be replaced.
                          WARNING
  A straightened inner or outer fork tube may fall in
  use, possibly causing an accident resulting in seri-
  ous injury or death. Replace a badly bent or dam-
  aged inner or outer tube and inspect the other tube
  carefully before reusing it.

Dust Seal Inspection
• Inspect
  damage.
          the dust seal [A] for any signs of deterioration or

  Replace it if necessary.

Spring Tension Inspection
• Since  a spring becomes shorter as it weakens, check its
  free length [A] to determine its condition.
  If the spring of either fork leg is shorter than the service
  limit, it must be replaced. If the length of a replacement
  spring and that of the remaining spring vary greatly, the
  remaining spring should also be replaced in order to keep
  the fork legs balanced for motorcycle stability.
  Spring Free Length
    Standard:      309.1 mm (12.17 in.)
    Service Limit:   303 mm (11.9 in.)