1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 37Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 37

b anrJO' on ca an gle or d ellwhi is lh numb er de!!retha break cam rotaEr th Li po ints clo' un til they open alTai n(Figure
cam le or dw ell may be checked with co nta ct an ule met erif uch eq uipm enva ilab leRef topecificatio ns ctio proper am
an gle If ca angle is less than sp ecified minimumchec efe ctiv cam lobesVariation in cam angle read ings be tw idle speed
and 1750 ngi nes RPNI ho uld no xceed 30 Ex cessive variation in this cd rang' indica tes wear in dis tributor 3Lo point
lock rew slig htl While crank in engita rteadj ust dw II with (Figure 6) to obtain readin dw ell meteras specified inpecif
ica ti ns"ction 8, and liahten scre, NOTE: Cam angle irw uses as point ope ning is decreased and ice versa5In lal roto nd
di tributo cap and check dw II with engi ne ru nn ing MERCRUISER MERCAU ISER Po int gnp or dwell ca be adjusted by methodsIt
is pref erred that point be adjlu ted with ( fee ler ga u.ge, th en check ed with dw ell meterif available, with engine runningPo
int s, however, also can adjustedas well as check ed, wilh dwell eier as ollo ws: 1If ce_ aryal ign poin ts nding tati nary