1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 20Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 20

8-CYLINDER ENGINES WAR 'ING; Do 1I0t operate engin without cooling waler flowing through watpumpor water pump will be damaged
(C-92_8143) ea Ii nd cWi park plu gs rem ov d, crank 'ngi for at least 15 seco nd with tart er Lo ass ur good 'oating of
oil on cylind er waUsPull high nsion ad ut dis trihutor and rround wire whil ranking Re movf' exee:s il fro ar und spark
lu Ie: nd li ghtllubricat t' plu thread 13rvietpark fJl ug, ee li lgnition "1J Re move :lnd cl fla m!' arres to and re placeL-
movr' batter) nd 5e rvia: pccifi cJ by manu fa turrO ean !lnd servibatteryonLai ners and cabl e: as req Ulr 16Replace fue
pu mp 17Re ove valve ro ck er arm covers If co de alion has occurn:d in ro k(' arm (:over co mpartm nLcctrefully waall tract:
of ilwu mixtureth en libl'Tall) coat m'haniand in id uf cove wit Vtll r.k"ih to ragt011 :30 iV]S oill' tin:;t!lll cov ers,
using ncw g'd sk t LaReins tall drai WAR G: Be sure that cornparbn nt is weU ventilatedand that th re are no gaso lin vapors
present during this operafonto prevent engine fire5 Disconnct battery6 Drain all gasolin from fuc ltanlc Release and in alt