Service Manual — page 63 of 715

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PERIODIC MAINTENANCE 2-41
Periodic Maintenance Procedures

• Bend the cotter pin [A] over the nut [B].
                            WARNING
    A loose axle nut can lead to an accident resulting in
    serious injury or death. Tighten the axle nut to the
    proper torque and install a new cotter pin.

Wheel Alignment Inspection
• Check  that the notch [A] on the left alignment indicator [B]
  aligns with the same swingarm mark or position [C] that
    the right alignment indicator notch aligns with.
    If they do not, adjust the chain slack and align the wheel
    alignment (see Drive Chain Slack Adjustment).
                               NOTE
    ○Wheel alignment can be also checked using the
      straightedge or string method.

                            WARNING
    Misalignment of the wheel will result in abnormal
    wear and may result in an unsafe riding condition.
    Be sure the wheel is properly aligned.

Drive Chain Wear Inspection
• Remove    the chain cover (see Drive Chain Replacement
  in the Final Drive chapter).
• Rotate  the rear wheel to inspect the drive chain for dam-
  aged rollers, and loose pins and links.
    If there is any irregularity, replace the drive chain.
    Lubricate the drive chain if it appears dry.
•   Stretch the chain taut by hanging a 10 kg (22 lb) weight
    [A] on the chain.
•   Measure the length of 20 links [B] on the straight part [C] of
    the chain from the pin center of the 1st pin to the pin center
    of the 21st pin. Since the chain may wear unevenly, take
    measurements at several places.
    If any measurements exceed the service limit, replace the
    chain. Also, replace the front and rear sprockets when the
    drive chain is replaced.
    Drive Chain 20-link Length
      Standard:      317.5 ∼ 318.2 mm (12.50 ∼ 12.53 in.)
      Service Limit: 319 mm (12.6 in.)