Interesting......performance seems fairly close. The 200 HO is 3.3 liter so expect more grunt, but 150 solid.
Back when I had the 150 carb'd it ran 35 + top speed.
Some report as fast as 42 mph with 150.
I forgot what speed I'm getting at 4, 4.5 and 4.8 rpm, but I'll check next time.
Lot depends on sea condition, fuel and load but interesting anyway.
Thanks for posting.
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