317714 OMC CRANK CASE FRAME

OEM OMC Johnson/Evinrude crankcase frame, part 317714, is the main powerhead structural component for Johnson/Evinrude 40hp outboard from 1986 production year. The crankcase frame houses the crankshaft, pistons, and connecting rod assemblies. This is a core engine block casting available as OEM replacement from marine suppliers specializing in Johnson/Evinrude restoration and powerhead rebuilds.