Repair [10/2015 - ]: Procedure
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- REPAIR INTAKE VALVE SEAT NOTE:
- Repair the valve while checking the seating position.
- Release the cutter gradually to make the intake valve seat smooth.
- Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the standard.
- Using 30° and 60° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.
*a Width Standard Width
1.0 to 1.4 mm (0.0394 to 0.0551 in.)
- Hand lap the valve and valve seat with an abrasive compound.
- Check the valve seating position.
- REPAIR EXHAUST VALVE SEAT NOTE:
- Repair the valve while checking the seating position.
- Release the cutter gradually to make the intake valve seat smooth.
- Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the standard.
- Using 30° and 75° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.
*a Width Standard Width
1.2 to 1.6 mm (0.0472 to 0.0630 in.)
- Hand lap the valve and valve seat with an abrasive compound.
- Check the valve seating position.