mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Piston, Engine|Specifications|Page 2884 > < Pulley, Crankshaft|Page 2880
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Piston: Specifications

 

Diameter-coded red

3.9987 - 3.9993 in 

   

  

 

Diameter-coded blue

3.9999 - 4.0005 in 

   

  

 

Diameter-coded yellow

4.0011 - 4.0017 in 

   

  

 

Bore clearance selective fit

0.0012 - 0.0020 in 

   

  

 

Pin bore diameter

0.9126 - 0.9128 in 

   

  

 

Top ring grove width

0.060 - 0.061 in 

   

  

 

Bottom ring grove width

0.060 - 0.061 in 

   

  

 

Oil ring grove width

0.1587 - 0.1597 in 

   

  

 

Piston, Engine|Specifications|Page 2884 > < Pulley, Crankshaft|Page 2880