Valve seat

Item
Measurement
Qualification
Standard or New
Service Limit
Valve seat
Width
Intake
1.26−1.56 mm (0.050−0.061 in.)
2.00 mm (0.079 in.)
Exhaust
1.26−1.56 mm (0.050−0.061 in.)
2.00 mm (0.079 in.)
Stem installed height
Intake
40.2−40.4 mm (1.58−1.59 in.)
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Exhaust
40.2−40.4 mm (1.58−1.59 in.)
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