Fig. 23: Measuring Valve Head Margin Thickness Of Each Valve
Courtesy of MAZDA MOTORS CORP.
2. Measure the length of each valve. Replace the valve if necessary.
If it is less than the specification, replace the valve.
Valve length (Standard)
IN: 102.99-103.79 mm {4.055-4.086 in}
EX: 104.25-105.05 mm {4.105-4.135 in}
Valve length (Minimum)
IN: 102.99 mm {4.055 in}
EX: 104.25 mm {4.104 in}
Fig. 24: Measuring Length Of Each Valve
Courtesy of MAZDA MOTORS CORP.
3. Measure the stem diameter of each valve in X and Y directions at the three points (A, B, and C) as
indicated in the figure.
If it exceeds the specification, replace the valve.
2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:43:25 PM
Page 24
© 2005 Mitchell Repair Information Company, LLC.
