1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 145Get this manual
Disassembly
INote To simplify reassembly and wiring installation, layout the
various screws and clamps in the order of their proper location1Remove the cylinder head and gasketDiscard the gasket
2Remove the lower crankcase head
rn 3Remove the six main bearing screws4Using rawhide mallet, lightly tap upward on the crankshaft until the halves just begin to separateLift up and remove the crankcase
5Remove two screws, leaf stop, and leaf valveW
6Remove upper and lower crankshaft seals7Remove the crankshaft assembly, upper and lower retain ers from the cylinder block
8Remove piston ring using an appropriate ring expander[] 9Using needle-nose pliers or tool as drawn on Page 4-7, remove the wrist pin retaining ringsDiscard the rings10To remove the wrist pin and bearing, use suitable tool to drive the wrist pin out of the piston11Inspect wrist pin bearing If worn, replace wrist pin and bearing