Alan
I had a similar problem and went thru the trouble shooting as you did hoping it
was a plug or wire. I narrowed it down to the electronic module itself. I sent
the module to a Rotax service center and they tested it. The module was only
firing two of the top 4 plugs. Bought a new module and all was well. $1,000
dollar
fix, ouch!
Jerry
Sent from my iPad
On Jul 4, 2012, at 3:48 PM, "Alan Carter" <alancarteresq@onetel.net> wrote:
>
> Hello ALL.
> I think i should have stuck to Flight Simulators, Having just purchased G-PEGY
Mag drop on left mag, top row sparking plugs ,
> Have 2 new caps, so tried 2 a side in turn, No Change in mag drop.
> Started engine , run on left mag only, with Front top right lead off, engine
sounded the same so think its this one is the problem.
> All the bloody top plug leads go to the bottom side of the mag, ie (the
> electronic
unit), So you can,t get to them to un screw the leads.
> The complete unit is mounted on rubber cotton real, 3 of them, one at the back
and two at the front.
> You can-not get a spanner on them, i have tried all ways, purchased cranked
> spanners
and ground it down to slip over nut , no good.
> Finally i have managed to release the rear back mag mount and the inboard
> front
cotton reals mount.
> The outboard front rubber cotton real mount ,again no spanner will go in,
> This rubber mounting fits over a cast stud which is part of the inlet housing.
> Now i don,t know if the cotton real is just pushed over this stud pin, and has
over the years corroded alloy and steel together, so NOW it won,t pull off.
> Or if it is held with this inside bolt which i cannot get to.
> Will put some grips on the real and give it a wriggle see if it moves.
> Once this is released i can do the 59 second job of screwing the new leads on.
> Just hope i can release it tomorrow .
> Has any body done this job before, Help
> Regards
> Alan
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=377292#377292
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