Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 28Get this manual
140 H.P 3.3750
.019 3.120 ]
-018 .68750
PISTON PIN
(MEASURED 90 TO PISTON PIN) (MEASURED ON PISTON PIN CENTER LINE)
TOP PISTON RINGGAUGE DIA
USE TWO (2) .0600 :t .0001 DIAPINS
BOTTOM PISTON RINGGAUGE DIA