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Engine upgrade paths


Feb 19, 2005
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I'm shopping for a cub (3,11,18-90) and have decided I would prefer 90-->100 HP (it will be on floats)

I'm somewhat familiar with the 85-->100 STC. What other pathways are there to get to 90/100 (yes I know, buy one already equiped)? Are the mount, cowl, or under cowl changes necessary?


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