Hi,
Have you checked that the correct leads are on each spark plug.
This may seem a bit obvious but worth checking. A while back we accidentally
swapped the top plugs on cylinders 1 and 3 and ended up with a 400 rpm mag
drop.
It may be as simple as that.
Good luck
Carl
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Karl Heindl
Sent: 27 September 2013 00:00
Subject: Europa-List: Mag drop
I have excessive mag drop on one magneto and am not sure where to look for
the problem. Would anyone have any guidelines for this ? I have someone's
course notes which state that: if you pull the choke while running on the
bad mag, and if there is any change in rpm, then it is most likely a carb
problem. If there is no change then it is an ignition problem. I get an
increase in rpm.
The engine ran fine 12 months ago. Since then I changed and re-arranged all
fuel lines. How would I identify the faulty carburetor ? And then what do I
look for ?
Any hints greatly appreciated.
Karl
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