Checking The Clutch Boss

CLUTCH

                                                            EAS25130
    A                      B
                                                            CHECKING THE CLUTCH SPRING PLATE
                                                            1. Check:
                                                             • Clutch spring plate
                                                               Damage → Replace.
                                                            2. Check:
                                                             • Clutch spring plate seat
                                                               Damage → Replace.
                                                            EAS25150

  A. Friction plate 1, 3                                    CHECKING THE CLUTCH HOUSING
  B. Friction plate 2                                       1. Check:
                                                             • Clutch housing dogs
EAS25110
                                                               Damage/pitting/wear → Deburr the clutch
CHECKING THE CLUTCH PLATES                                     housing dogs or replace the clutch housing.
The following procedure applies to all of the
                                                        NOTE:
clutch plates.
1. Check:                                                   Pitting on the clutch housing dogs will cause er-
  • Clutch plate                                            ratic clutch operation.
    Damage → Replace the clutch plates as a
    set.
2. Measure:
  • Clutch plate warpage
    (with a surface plate and thickness gauge “1”)
    Out of specification → Replace the clutch
    plates as a set.

            Thickness gauge
             90890-03180
            Feeler gauge set                                2. Check:
             YU-26900-9                                      • Bearing
                                                               Damage/wear → Replace the bearing and
            Clutch plate thickness                             clutch housing.
             1.90–2.10 mm (0.075–0.083 in)                  EAS25160
            Warpage limit                                   CHECKING THE CLUTCH BOSS
             0.10 mm (0.0039 in)                            1. Check:
                                                             • Clutch boss splines
                                                               Damage/pitting/wear → Replace the clutch
                                                               boss.
                                                        NOTE:
                                                            Pitting on the clutch boss splines will cause er-
                                                            ratic clutch operation.

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