mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Valve Guide|Testing and Inspection > < Valve Cover|Specifications
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Valve Guide: Specifications

DIMENSIONS

Valve Guide Inner Diameter    

Intake Valve Guide .........................................................................................................................................  7.000-7.018 mm (0.2756-0.2763 inch)
Exhaust Valve Guide .......................................................................................................................................  8.000-8.011 mm (0.3150-0.3154 inch)

Valve Stem-to-Valve Guide Clearance    

Intake Valve Stem-to-Valve Guide Clearance ................................................................................................  0.020-0.053 mm (0.0008-0.0021 inch)
Exhaust Valve Stem-to-Valve Guide Clearance ..............................................................................................  0.040-0.073 mm (0.0016-0.0029 inch)
Maximum Valve Stem-to-Valve Guide Clearance ...................................................................................................................  0.10 mm (0.0039 inch)

Valve Guide Height    

Valve Guide Height .................................................................................................................................................  13.2-13.4 mm (0.520-0.528 inch)

Valve Guide|Testing and Inspection > < Valve Cover|Specifications