1968 Evinrude Speedifour, Starflite 85HP Service Repair Manual P/N 4486, Page 39Get this manual
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DESCRIPTION Tlle power 11ead consists of the cylinders, pistons, connecting rods, crankshaft, and crankcaseTlle power head has two banks of 11 Orizontally-mounted cylinders in "V" formation 90 apartTh