1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 153Get this manual

1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 153

Inspection 1Before any inspection process can begin, all internal components must be clean and free of excess oilRefer to
for another reasonRefer to Engine Specifications, Section 1, for dimensionsUse telescoping gauge or inside reading micrometer
to inspect each cylinder bore for an out-of-round, oversize, or tapered conditionBe sure the gauge or micrometer is perfectly
square in the bore when measuring 6Measure each cylinder in at least two areas as shownEach area should be measured twiceThe
difference between the two measurements in each area is the cylinder out-of-round dimension The cylinder must not be out-of-round
by more than 0.003 in(0,08 mm)7The dimensional difference between the two areas is the cylinder taper The cylinder taper
must not exceed 0.002 in(0,05 mm) 8The difference between your measurements and standard bore dimension is cylinder oversizeRefer