Hi guys, just a quick update on this problem. I have swapped the diaphram with a new
one, without much difference. I thought it may have an air leak so replaced both manifold
and starter o rings without much difference. I then tried a new o ring on the starter shaft
which cured the over revving on start up however it still over revs in long grass. The only thing left to do is new carby springs which I will try next. I'll report back if successful.
