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1983 1984 1985 1986 1987 MerCruiser 3
The pivot pins used with this type of bell housing were steel dowels held in by nails rather than having threaded ends that screwed in
84-69713 4 (#5 & #6)
This would have been found on all OMC Cobra 120hp 2
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MerCruiser 63122A1 63122 2.5L 120hp 4cyl Exhaust Manifold 1972-1982 May Need Repair 60hp 1983 1984 1985 1986 1987There is a crack on this that will need to be patched repaired. Part Number(s) Included MerCruiser 63122 63122A1 63122A10 Exhaust Manifold Unfortunately We spotted a commonly encountered crack on this that is on the center exhaust port The standard practice to fix this would be drill the end of the crack and then channel it back out to the flange and weld fill everything to properly repair this. (see pictures) Includes Plate 62575 & 39949 General