Mazda MX-5 Miata Sport 2007 Manual page 33

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Fig. 33: Measuring Seat Contact Width
Courtesy of MAZDA MOTORS CORP.
2. Verify that the valve seating position is at the center of the valve face.
1. If the seating position is too out side, correct the valve seat using a 70° (IN) or 65° (EX) cutter, and
a 45° cutter.
2. If the seating position is too inner side, correct the valve seat using a 35° (IN) cutter, and a 30°
(EX) cutter, and a 45° cutter.
2007 Mazda MX-5 Miata Sport