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Larry[_4_] Larry[_4_] is offline
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First recorded activity by BoatBanter: Mar 2010
Posts: 18
Default 1976 Boston Whaler Re-power Question

I am Tosk wrote:
In , says...

wrote in message
...

A fishing buddy of mine is re-powering his early 1976 Boston Whaler Sport
15 with a new 60hp 4 stoke Mercury. He is replacing a 2 stroke Mariner
that is an 80's model.

He has no gauges and the layout of the console is like a skiff - the
steering wheel is horizontal. He's not concerned about a speedometer, and
shouldn't be, but I think he should have a tach. The 4 stroke will be
heavier and act differently than the 2 stroke. The props are
interchangeable in size and hub configuration so he plans on putting his
SS prop on the new boat. I'm trying to convince him to find, or make, a
spot for a tach so he can make sure the boat is propped properly (say that
5 times fast!). He's not convinced. The boat is rated for a 75 so the 60
will still weigh about the same as a 75 2 stroke so the transom weight
will be fine.

Has anyone attempted a similar replacement? Should he need a different
prop? Can you attach a tachometer temporarily for testing purposes?

Thanks in advance,
Larry

Sure, you can hook up a tach temporarily, but he may as well do it right.
There is no way he is going to get the prop pitched properlyG w/out a
tach. And, he needs one he can see at WOT... not clamped to the transom
"temporarily." It's not a hard gauge to install at all.

---Mike

My VOM (Volt, Ohm meter) has an inductive pickup I can hook on a plug wire and
watch tach. Maybe you can get a cheapo one at Pep Boys or something. Of course
I would first consider the suggestion of others of a permanant one.

Scotty


If I can't convince him to install a permanent tach, that is a good
alternative.

Thanks,
Larry