CYLINDER HEAD REPAIR

PROCEDURE


  1. REPAIR VALVE SPRING SEAT


    1. B003L9QC02
      *a 1.0 to 1.4 mm (0.0394 to 0.0551 in.)

      If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.

    2. B003QE7C02
      *a 1.0 to 1.4 mm (0.0394 to 0.0551 in.)

      Intake Side:

      If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.

    3. B003RHWC02
      *a 1.0 to 1.4 mm (0.0394 to 0.0551 in.)

      Exhaust Side:

      If the seating is too low on the valve face, use 75° and 45° cutters to correct the seat.

    4. B003RF6

      Hand-lap the valve and valve seat with an abrasive compound.

    5. After lapping the valve by hand, clean the valve and valve seat.