Dave;
It would appear that I have given you an 8 cyl 914 in my posting to you this
morning.
Sorry about that!!!!!!!
Jim Brown
Jim Brown wrote:
>
> Dave;
>
> In reading your comment that two cylinders have a rise in EGT of 140 degrees
and
> the other 6 cylinders have a rise of 40 degrees, leads me to suspect that the
> mixture is to lean. If the mixture was to rich then you would have a drop in
the
> EGT's You can confirm this by doing a runup, then pull the plugs on the two
> cylinders that rose 140 degrees and looking at the plugs.
>
> In the maintenance manual look at the view of the exploded view of the carb.
There
> is a barrel that slides up and down in the center of the carb. there is a
> needle
> valve in the center of the barrel. It has a circular clip around the top of
> the
> needle valve, the clip is usually in the second ring from the top of the
> needle
> valve, if this clip is moved down one notch it will richen up the mixture.
>
> If you have any questions, please advise.
>
> Jim Brown
>
> DJA727@aol.com wrote:
>
> >
> > In a message dated 6/4/2003 1:57:18 PM Pacific Standard Time,
> > kheindl@msn.com
> > writes:
> >
> > >
> > > I don't really have a clue myself, but the instructor at a Katana Flying
> > > School tells me that they have
> > > ignition problems on very hot days. They use the bog standard 912, and
> > > they
> > > say that the Ducati
> > > ignition module tends to get too hot being right on top of the engine.
> > > They
> > > would like to move
> > > that box onto the firewall, but have their hands tied because it is a
> > > certified engine.
> > >
> >
> > I am doing these runs now with the cowing off, so I don't think the temp is
> > the problem. I will be swapping plug wires tomorrow to see if I can isolate
the
> > trouble - the two cylinders I have a 150 degree rise vs about a 40 degree
> > rise for the other 6 plugs.
> >
> > Dave
> >
>
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