help, scoot chugging, back firing

[Adam_Winstone]

Nice welding!

[lesfaenaboombu]

all bits ive tried came off working scoot, my mate checked wires and all seems fine, im at a total loss, going to put old tap back in and try that

[gadgetman]

Sounds like fuel starvation
Does it only happen when the level of the fuel in the tank is below halfway?

[Weston-scooterist]

I had exactly the same symptoms, it was the pickup