Home Forum Ask A Member Mercury KG7 Crankshaft, Cylinder Bore, Piston Skirt measurements???

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    Tracy Maxwell
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      US Member

      Hello,

      Does anyone have the original measurements for a 1950 KG7 Crankshaft:

      Upper journal, center journal, lower journal (the KE7, KF7, and KG4 all used the same crankshaft part # 402-48)

      Also the original piston skirt measurement: part # 718-1193A2

      The cylinder bore measurement is 2 and 7/16 or 2.4375 but what is the thickness of the hard chrome liner?

      Finally, what machinists or crankshaft or hard chrome repair shops do you guys use for this?
      Is it cheaper to CNC or cast some of these parts?

      Many thanks!
      Tracy

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