There should be room back there. 9.9 hp seems to work well for thrust, weight and cost efficiency. I have an old 1975 johnson 9.9 for a kicker. The PO bought it for $400 on eBay about 5 years ago. I haven't used it much lately so I took it off the V. I need to do some maint on it.
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1994 Wellcraft V21
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