I have a 1986 90hp Johnson on my whaler, I have the chance to buy a good 1984 90 hp Johnson for $300. Are most of the parts interchangeable? Looking at the so far the only difference I see is the carb linkage. Is it worth it to buy it just for parts? The lower units look identicle. Plus I would get 2 props (1 s/s ) in good condition and all controls and gauges.
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