I recaulked around the pivot bolt inside the ballast
tank, then resealed the tank hatch covers with
silicone and still had a problem keeping the tank dry.
I realized the rubber ring on rear valve for the tank
had deteriorated after 15 years. Turns out they are
available at almost any RV dealer. They're used in
the RV sewage drain.
--- Bruce Puckett <mac19sailor@...
> Tank covers will leak if not sealed properly. They
> have probably been
> removed at some time to check or replace or seal the
> pivot bolt for the
> swing keel. If the rear valve is closed and you pull
> the vent plug, you
> can usually get a surge of air if the tank has been
> closed a while
> letting you know if the tank is holding pressure. It
> would be good to
> inspect the pivot bolt and cable to see if there is
> much wear on it.
> I just recently sold my boat, but it had a 93
> johnson/evinrude 40 hp.
> 2 cycles are pretty easy to take care of. If it
> starts easy and has
> good water output from the water pump, the only
> other big issue would
> be the lower unit. You can run it on land and
> listen for unusual
> noises or look for cracks in the lower housing from
> water in the lower
> unit freezing. Fluid should be drained and refilled
> every year if you
> are in a state that gets freezing weather in winter.
> Power tilt is a
> definite plus for raising the engine when under
> Sails can be found from time to time on the
> internet. The sails on
> the mac 19 are smaller so cost is usually not a big
> One upgrade you might look for is the two piece mast
> hinge. It is not
> a biggie, but it is a little easier to raise and
> lower the mast with
> the two piece hinge.
> Otherwise, the mac is a pretty solid little boat.
> Most items are not
> very expensive to replace. I didn't really have any
> problems with
> mine. I did keep it well maintained though. That
> makes a difference in
> the long run. The electrical system on my had been
> upgraded, supposedly
> the factory system wasn't that great.
> Hope this helps a little.
> --- In email@example.com,
> <l.e.henecke@...> wrote:
> > Looking seriously at a mac19... any specifics to
> look out for or
> > check? Only had one visit so far but was
> concerned by condition of
> > the dual ballast tank covers... very gloppy
> looking and seemed to be
> > unevenly seated. My assumption is that they can
> leak if not properly
> > attached and sealed. Current RF 150 genoa has had
> it... will this be
> > easy (probably not cheap) to find/replace? Engine
> is Johnson 40 '91
> > or '93... Thanks in advance for any expert
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