Valve Seat Inspection/Repair - Mazda MX-5 Miata Sport 2007 Manual

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Fig. 32: Verifying Valve Guide Height
Courtesy of MAZDA MOTORS CORP.

VALVE SEAT INSPECTION/REPAIR

1. Measure the seat contact width.
If not within the specification, resurface the valve seat using a 45° valve seat cutter and/or resurface

the valve face.
Valve seat contact width (Standard)
1.2-1.6 mm {0.048-0.062 in}
2007 Mazda MX-5 Miata Sport