Not another valve
Luckily it was slight recesstion on the No 1 and less on No 2 exaust valve seats
These were shimmed out and now the 245 runs very smoothly again.
Thanks Classicsweede for your input. I can see now the major problem was a week mix. Its now retuned and made richer.
But I will keep an eye on this with my gas analyser up to 3000rpm
The OMVL R90/E has two 6mm ajacent ajusters. No springs!
BrianH
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