Well….. after removing the damn carb, stripping it and rebuilding it 3 times it still rode the same, in a sudden flash of genius (small and unexpected I admit) I brought a set of spark plugs, it rides like a new bike, so I’m guessing one of the plugs was breaking down at higher revs.
Anyway problem solved and smile restored.
Good to hear you solved it! Keep smiling!
We could learn a lot from crayons; some are sharp, some are pretty, some are dull, while others bright, some have weird names, but they all have learned to live together in the same box.”