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1967 Nauset with 50 hp Yamaha 4-stroke


After two years of very light use, the 12 gallon low profile/low permeation fuel tank began leaking. Gas odor had become steadily more noticeable and when checking the tank discovered paint beneath the tank was discolored and moist with fuel. Tank had never had more than 10 gallons in it and that amount following fueling at the beginning of each use. (West Marine catalog states that this tank has 13 gallon max capacity.) When returned to dry-stack, fuel in tank was always well below 10 gallons. Fuel connection and fuel line were intact and not comprised. Obviously a seam leak in the tank. Note that this tank expands when exposed to warmth of the sun, therefore there is a build-up of pressure. Removed the tank, emptied the contents into storage for use in farm implements. Discarded the empty tank.