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1978 Johnson 35 hp Lower Unit
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<blockquote data-quote="Pappy" data-source="post: 451672" data-attributes="member: 3278"><p><span style="font-size: 18px">If so that would indeed be a 1978 electric longshaft. Take a good look at the powerhead and see if that engine looks like it has been overheated at all. Reason I ask is that in the 1978 vintage there is a plastic water tube coupler about half way up in the exhaust housing that melts and will NOT seal properly again. That part has been obsolete for quite a number of years as well. Was a kind of an Achilles heel for that engine and that design as well as internal and external lower unit designs changes rapidly. From around 1982 on up that engine and gearcase was pretty much bulletproof. </span></p></blockquote><p></p>
[QUOTE="Pappy, post: 451672, member: 3278"] [size=5]If so that would indeed be a 1978 electric longshaft. Take a good look at the powerhead and see if that engine looks like it has been overheated at all. Reason I ask is that in the 1978 vintage there is a plastic water tube coupler about half way up in the exhaust housing that melts and will NOT seal properly again. That part has been obsolete for quite a number of years as well. Was a kind of an Achilles heel for that engine and that design as well as internal and external lower unit designs changes rapidly. From around 1982 on up that engine and gearcase was pretty much bulletproof. [/size] [/QUOTE]
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1978 Johnson 35 hp Lower Unit
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