I'm experiencing the stuttering now for over a year. Sometimes a little more sometimes a little less, but overall it doesn't get worse.
btw I also renewed the airfilter and the outletrubbers (engine side). The rubbers were cracked, but changing them didn't help a thing.
Idle screw is set according the manual. But now the weather is getting better (above zero), i'm gonna experiment with the idle adjustment again.
If I (ever) find the sollution I'll post i here :-)
Peter
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