1980 Evinrude Outboards Service and Repair Manual 70/75HP models P/N 5494, Page 98Get this manual
Quality of the image is intentionally reduced!
DESCRIPTION
THEORY OF OPERATION
Two stroke engines us ed outboard nlOto rs requir only two piston strokes, downto effect crankshaft evolution and to lt th xhust-itkssi -igiti sequen