Fig. 26: Measuring Valve Guise Inner Diameter
Courtesy of MAZDA MOTORS CORP.
5. Calculate the valve stem to guide clearance by subtracting the outer diameter of the valve stem from the
inner diameter of the corresponding valve guide.
If it exceeds the specification, replace the valve and/or the valve guide.
Valve stem to guide clearance (Standard)
IN: 0.024-0.069 mm {0.0009-0.0027 in}
EX: 0.029-0.074 mm {0.0012-0.0029 in}
2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
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