Honda BF75DK3 BF90DK4 Outboards Shop Service Manual, 2014, Page 416Get this manual
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CYLINDER BLOCK PISTON RING END GAP Use the piston to push the piston ring [1] into the cylinder sleeve and position it horizontally at 15 to 20 mm (0.6 to 0.8 in) from the bottom of the cylinderMeasur