Hi,

I have a 26 with the original header and reso pipe from MVVS and now after a few flights its really hard to get the carb tuned wright and it keeps running hot and sound`s like it`s sucking false air somewhere what could this be?
I`ve checked the carb iff it was still pushed in wright,and re-tightend the head bolts aswell as the rear crankcase cover bolts but it doesn`t help.
i`ve another 26cc MVVS no problems at all with that one and it has more hours on it.
only difference is that there is a newer ignition on the one with the problem.And the older one has a krumsheid reso instead of an MVVS.

Iff someone could help it would be much apreciated

Thx Erik