1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 531Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 531

CYLINDER BLOCK CLEANING righl center lin e 1After any cy linder bore repair operation, such as honing or deglazingclean bore(;:;)
n Ou t-orounI measurement of top of cyl ind bore ondA" me as reme ot bottom of cy der bo re F gure Cyl inder Bore Ou t- of-Round
and aper REF INI SH ING CY LI ND ER WALLS 1Honin is rec omm en de for ref ini hin cy lind ,.v ll s on ly when walls have
minor sc uffs or sc ra tche s, or for fit ing pistons to specified le aranc Th grade of hone is de termined by amo unt of
me tal to be rem ove dFo llow instruc ti ons of ho ne manufa ture rrr coarse ton es are used to tart honing ope ra on leave
nough ma ter ia so th al hone ma rks ea be remove with finishin hone wh ich is use to ob tain proper pis learanc Ref inish
cy linde walls that are severe ly ma rred andor worn bey ond pec ified limitsBefore an cy lind is refinis hell main bearing
caps must be in plac nd ti ghtened prope orq ue so tha ra nkshaft beari ng bore will not be come di orted from refinishing