1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 13Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 13

ENGINE SERIAL NUMBER 1 IPORT 'T: Serial numbe rs are the manufacturer's key to numerou engineering detail applicable to tJ1
MERCRUISER 60 erial numb er loca led on ft ide of cngin block abov fil ter(Figure 2) Figure 4MerCruiser 120-140-160-165200225
Serial Nolocation MERCRUISER 888-215225IITR and 2551I-TR erial numb is loca ted on rear top cylinder bl ck betw intak manifold
and fJ wh el housing(Figur 5) n Figure 2MerCru iser 60 Serial Nolocation Figure 3MerCruiser 80 and 90 Serial Nolocation Figure