11 June
Pretty jerky response on quarter throttle
Improved by opening air screws 2.25 turns
Plug check, sooty with a white earth electrode
But not right, still very rough pick up at quarter throttle onto needle jet
So...
Took pilot jets out and replaced with smaller set (35 changed to 30)
Air screws seemed best at 1.5 for these jets, indicating going in the right direction
Some improvement but still not right on pick up
Right plug more sooty. Left plug less sooty!
Progress!
Will have another run and maybe go up to 2 or 2.5 turns (which is about the max)
After that may fiddle with needle and needle jets etc.
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