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I have a 1983 35hp short shaft outboard and was told recently that the 35hp and 50hp outboards from this year used the same platform but some different parts. I would like to get a list of the parts needed to upgrade to a 50hp seeing that I have had a diffcult time finding a used 50 short shaft motor for sale that I can afford. Any help would be appreciated.
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Increase hp
I have a 1990 evinrude 90hp and was looking to increase to 115hp parts book shows differnt carb & exhaust manifold but their may be more to it then that I would like to hear from a mechanic. Thanks Bud -
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My model # VE90TLESB ThanksComment
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It looks like the cylinder block and exhaust plate ***embly are the major differences. Does not tell me what exactly are the differences. Outside the block and exhaust plate. The only difference I can notice is the carburetor jetting. Both motors use the same reeds, pistons, crank, etc. You may try just rejetting the carbs, but I am sure they change some of the exhaust tuning for the additional horsepower.Comment
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increase hp
Thanks after looking at the parts book again I think you need to port the block get the 115hp exhaust manifold & cover and rejet the carb. thanks BUDComment
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