Re: [OMC-Boats] Carb Issue? Or maybe Water issue?

yeah you have same cowling as me - no vents. i have the feeling mine
runs better w/o cowling.....but still trying to determine that. got
sidetracked with other issues.

On Jun 28, 2009, at 11:26 AM, heavy wrote:

> Thanks Jeff, I am going to try your clear tube idea today, it would
> be helpful to know how much water is actually flowing through the
> engine at a given time.
>
> As for the cowling, no vents other than the back ports and the
> blower that pulls air out and up through the backside of the boat. I
> was planning on leaving the cowling at home today so if I needed to
> get into the engine it would be easier, but that might change the
> circumstances that caused the issue in the first place. Well see.
>
> J
>
> From: "jd" <jdood@...>
> Sent: Sunday, June 28, 2009 9:18 AM
> To: "Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...
> >
> Subject: Re: [OMC-Boats] Carb Issue? Or maybe Water issue?
>
>
> On Jun 26, 2009, at 3:41 PM, Jeff LaCoste wrote:
>
> > After many weeks of slower rides around the lake, last week I took
> > the 1964 Johnson Deluxe V6 155hp out into open water to run it and
> > see what would happen. Got off to a slow start and steadily climbed
> > up to 3/4 throttle for a couple miles when it started to cough,
> > once, then twice, so we slowed and turned back for the dock. It
> > seemed to be running smooth once again, so we increased the speed
> > and once again it coughed and sputtered.
> >
> > We took off the cover and idled for a bit and after a while it quit
> > and wouldn't start. We waited and tried again but nothing. We
> > thought maybe over heating, or no gas. We noticed the Barr exhaust
> > manifolds were a little warmer than usual, bottom hoses were warm,
> > top were cooler. Thermostat was replaced last year. We were getting
> > good flow from the back stream. Water flow seemed a little low in
> > the large water Gates hose when squeezed.
>
> a cool tip i picked up from someone on this list last year......change
> out your hoses to clear hoses. I did all mine, didn't take that
> long, Home Depot has hosing, heat hasn't seemed to be an issue
> with melting etc. Instantly shows you the water moving through the
> engine and where. And it just looks neat seeing the water
> circulating around. I still have mine on and plan to keep them
> on until i get everything solid.
> >
> >
> > When cranking the engine we couldn't see much fuel going into the
> > carb. Fuel was supplied by a 6 gallon tank (temporary while
> > refurbishing the old tank) connected to the mechanical fuel pump.
> >
> > The other day I go out to start troubleshooting, get in the boat,
> > turn on the water to the stern drive, and it fires right up! Go
> > figure.
> >
> > Could be overheating. Maybe the float needs to be adjusted, if so do
> > I bend the tang up or down? Last year I replaced the float with a
> > new one that had a pinhole.
> >
> > anyone have any thoughts before I try it out again this weekend?
>
>
> just curious, probably unrelated - but is your cowling vented?
>
>
> >
> >
> > thanks.
> > Jeff
> >
> >
> >
> >
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>
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Received on Monday, 29 June 2009