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>>O<< Synchronizer Ring Installation

CAUTION: There is a 5th speed synchronizer ring and a reverse synchronizer ring. Be careful not to confuse the two when installing, as a mistake can effect the shift feeling.
  1. Check for the presence of identification notches on the synchronizer ring.

    No notches: 5th speed synchronizer ring 

    Six notches: Reverse synchronizer ring < F5M42 > 

    Three notches: Reverse synchronizer ring < F5M51 > 

  2. Install the synchronizer ring so that it does not incline toward the cone of the gear.
    Fig 1: Identifying 6 Notes
    G01928616Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.