1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 467Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 467

CYLINDER HEAD and VALVE CONDITIONING CISASSEMB Y 1'"i (: linder he removedremove valve rocker arm [JuLbal!" and rocker armif
exce ive oil consumption and pas ible valve breakage Insuffi ient clearance wiLL reo ulL in noi and ticky functioning of
!' Dive and disturb engine smoothnessFigure 12 Compre ssi ng Valve Spring CLEANING all ('a rb fr om combution chambers and
valve igure 13) p(lrt' it .1-8089 lOol( 2Th oroughlv' val'e guid ith -8101 too l(, ig urc3Cl;:!ra ll carbon and sludge from
pu rodsr oc ker arms and pu rod guidcs-L Clean yalve I11S nd he ci buffin wheel) C;Cfl ll carbon from gasket mating urb ce
Figure 15Mea suri ng Valve Stem Clearance Figure 13, Cleaning Combustion Chambers 3l easure 'alve tern lea ran ce 15) as
foll ow Clamp dial indi cator on on ide of cyl inder head ocker arm cover a "kel railloca ing indicator that rnovemenr valve