Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 15Get this manual

Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 15

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2 Boat Bottom: For maximum speed, boat bottom shpuld be nearly flat plane where it contacts the water and particularly straight and smooth in foreand-aft directionaHook: Exists when bottom is concave