1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 40Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 40

TIMING MERCRUISER 60, 80 and 90 ENGINE NOT RUNNING ENGINE RUNNING L Locate No.1 pi ton if firing poli ti on by ither of 2
bold-down clamp and tum di tributor in eilh dir lion requir until timinmark al tcrna tor fl wheel ali gns with mark on housing(Figur
7) 6Tight di tribut hold-down clamp and recheck alignment o( timing marks 7Sto nginand mov 2Connect power supply leads on
liming lig ht Figure 6Timing Tab on MerCruiser 60 o1 cylinder is cylinder nearest transom 2 Conn ct 124'01t test lamp or
voltmeter tween distribu tor primary lead crew and to ground3Turn on ignition switch4Loosen distributor hold-down clamp and
turntribut or co unterclockwise until lamp lights or oltmeter indicate 12 voltsThi indicates lhat contact points and just
openjng5Tighten distributor Id-dowl1 clamp Figure 7Lining-Up Timing Marks 80 and 90 GENERAL INFORMATION 18-7 Mercruiser Service