Gert,
Make sure the carb springs are not weak and are pulling the carbs, full
open.
Jeff - Baby Blue
Gert Dalgaard wrote:
>
> Hi all
>
> I have a problem with my Rotax 914 which now have performed 450 hours
> without ever missing a hart-beat.
> It starts perfect and runs as expected up to 3.000 RPM's.
> Above 3.000 it becomes rough and when adding more power it runs even
> more and more rough.
>
> Oil press and temp. comes up in normal range.
> MP and all other parameters which can be read from the pilots seat
> (R-Dat) looks normal - MP goes up to app. 30" but RPM's "stops" at
> about 3.000 RPMs.
> In the engine room visual inspection did not uncover the problem.
> All small hoses on top of engine in god condition and the same with
> air-filter.
> Fuel supply up to carb's checked - working OK.
> Spark-plugs checked - looks fine.
> Ignition checked - left and right - seems to work normal.
>
> Any suggestions?
>
> Regards Gert
> OY-GDS
>
>
> 269.8.7/830 - Release Date: 6/3/2007 12:47 PM
>
>
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