1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 488Get this manual
Quality of the image is intentionally reduced!
TIMING CHAIN andor SPROCKETS 283, 327, 350 and 409 Models REPLACEME NT
procketHold spro ke rti cal ith hain anging down and ori en to lign on cam shaft and ran ks haft sprocke ts(F igm rk