1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 31Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 31

MERCRUISER FUEL SYSTEM Observe Coast Guard Regulatio ns when installing fuel systemThe following suggestions also should
openings at reaso nable location pre nts proper fuel pickup installation_ 4Some types of galvanized tank cause flak iog plati
ng, there by cloggin fuel pickup and filters5Tank which have been spra -painted th experience flaking whi ch c1o"s pi kup
and filter 6Fuel tanks should be installed in po itio below th carburetor itself when boat is at res tIf tank 10Clted above
carbure torgravity feed could ca use carburc tor flooding 7Rocking or jo tling of boat, while mooredma res ult in unseated
inlet needJe valve and cause carburetor to fl odThis will allow raw fuel to nter intake manifold and combustion chamb rs
and see past pisto ringsthus diluting crank case oil IT this conditio exists, it ca be corrected onJy by relocatinD fu tank
that fu lev in tank is below carbure tor bowl whe bo at is at rest Other causof en";ne malfun ctio ns are: 1Fuel pickup has
too small scree or filte over end FUEL LINESLENGTH and SIZES lIf le ngth of fuel line is less than 30 (t(9.144m), US line