Mazda MX-5 Miata Sport 2007 Manual page 31

2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Fig. 31: Installing Valve Guide
Courtesy of MAZDA MOTORS CORP.
3. Verify that the valve guide protrusion height (dimension A) is within the specification.
Valve guide protrusion height (standard)
12.2-12.8 mm {0.481-0.503 in}