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Avanti 43 omc

48ford

New member
"hi i have a 1987 avanti with

"hi i have a 1987 avanti with a 4.3 and an omc cobra lower i am taking on water around the lower unit somewere cant tell exactly for sure where at though. what are the most common problems and how hard is it to do. boat sat for 5 years before we got it. thank for any help, chad"
 
"There are several possibiltie

"There are several possibilties but the most likely is the drive bellows. Try tilting the drive up while sitting in the water (on the trailer would be smart) and see if it gets worse. The bellows is not too difficult a task. The drive does have to be removed. Having a shop manual is a big plus.
If it is the bellows it will only get worse and has potential to sink you.
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"
 
Just to clarify, is it the boat that's taking on water or the drive itself? (based on the answers I've seen)

Do you have twin 4.3's? I thought the smallest Avanti they had made was a 29 ft?
 
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