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#1
05-04-2013, 05:43 AM
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To clarify, it's sometimes used as a shuttle for a trip a mile up the harbor to a clamming inlet. But that's probably 3times a year, not all that important.
If not these particular motors, I think it still highlights the different avenues one can take repowering... Low hp 2 stroke, high hp 2 stroke, middle hp 4 stroke. Not saying I didn't know that already, but with a 50 gallon tank what's the best route?
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50 Ton, '72 SC 20 
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#2
05-04-2013, 11:35 AM
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The 140 Zuke is the max HP in that block. I can think of 2 persons locally on lower cape whom have blown up their 140 Zukes. lots more reports on the net. I was unimpressed with the lead time to get parts/block for Suzuki as well. As a rule of thumb the highest HP in a smaller block on any fossil burning engine should give one pause. its not weak per se on HP just confidence questioning more for me. you are forgetting another important fact-whose your local mechanic/marina, if say the Suzuki certified tech is 2 hours away I would pass for that fact alone.
do you have a flotation bracket on the 20? were the decks raised? those sort of may assist the decision on engine weight as well. maybe I missed those items.... out of all of those I would say the yammie 2s. the 140 Suzuki sounds tempting but I would be concerned about a 20, sometimes loaded, with the smaller block size and highest HP rating. tough call here with only those choices. no experience with e-tecs myself, but might be something to think about....
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--------- 1977 Seacraft, Armstrong Bracket 275(chipped 250!) Verado Merc Rev 4 17P
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