2007 Johnson 2 HP 4-Stroke Service Manual, Page 83Get this manual

2007 Johnson 2 HP 4-Stroke Service Manual, Page 83

POWERHEAD CYLINDER HEAD Valve Stem Runout Measure the valve stem runout
Valve Head Thickness
Measure the thickness of the valve head

Valve stem runout: 0.002 in(0.05 mm) If the measurement exceeds the service limit, replace the valve
Valve head thickness: INEX: 0.02 in(0.5 mm) If the measurement exceeds the service limit, replace the valve
Valve Head Radial Runout
Measure the valve head radial runout

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