1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 399Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 399

ENGINE MECHANICALand 6-CYLINDER MODELS ENERA L In- line no-ines with ]53, 181,194 230,250 nd 292 cu indisplacements are covered
REMO VAL INSTAL LA ION 1Discon nect ex.haus bos 2Di connect lines at ca rburetor3Dis connect cra nk case ventilation bose
ro ker amI cover4Remove man ifo ld faste ne rs; remo ve man fo ld asse mb ly and di card gaskets5Check for cracks in manifo
ld cas ting CLE AN ING and INSPECT ION 1C lean gas ket surfaces on cvlin de head an manifold 2Posi tion new gasket on head
and ca refully install O19.nifold in position, making 3Install fa steners and washer in place ure gasket is in place whi
le holdi ng man fo ld 4Tighten even ly and sec urelysLart in in center and working out towa rd ends 1Cl ean gask et material
from al surfaces and wash part in solvent2lnspect all parts carefullyMachined urfaces must be clean and free all mark of
de ep scratch es, wa eaks ma' res ul t3Check wate pas ages for sand, si or foreign materialPassages must dean for efficient