Hi Dave,
Thanks for your thoughts here. Yeh I was trying to imagine any possible way oil could effect this but also didn?t think it was possible.
Today I took the carby off, bowl off and cleaned it. There were no deposits that I could see anywhere but I did not have a the perfect sized flathead screwdriver to take the pilot jet out so just sprayed carby in there.
I went and tested the bike this afternoon and the issue remains. Didn?t seem to be kicking back at all but it was still hunting on decel.
One thing I did notice was the engine side boot hose clamp doesn?t seem to do up particularly tight. Could be an air leak. Next thing I will try is the air screw, and spraying some brake cleaner around that boot. Then I?ll have to get back in and get the pesky pilot jet to make sure it is not blocked.
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