My Bantam (D14 engine) has recentky developed a hesitation at wider throttle openings. I suspected I'd messed the petroil mix but I've drained the tanks and replenished with fresh 25:1 fuel. Draining via the tap meant I could check fuel flow and its fine. Have stripped and cleaned the carb, which was clean when I looked inside. So, the hesitation is not likely to be fuel/carb related.
I have made no changes prior to the developement of the hesitation issue cropping up.
I'll check the plug and points tomorrow but in the meantime has anyone any ideas?