Yes, it is too bad they don't seem to build a 2-cylinder 4 hp 4 stroke
engine; but it would be pretty expensive. Sean&Jo Mulligan's M23 has a
9hp Yamaha 2-cylinder 4-stroke that is smoooth and quiet.
--Gary
On Feb 4, 2008, at 5:55 PM, [EMAIL PROTECTED] wrote:
Tom,
I have been using a Yamaha 4 hp 4 stroke. John Vigor has a formula
which calls for 4hp per ton of displacement. I find that to be
close. The 4hp on the M17 seems to be about perfect with the
exception of the common vibration of a single cylinder and a lack of
a charging coil.
A 4 stroke is also the "green" engine to have.
Think spring
Bones
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