50cc help

[rocketaj]

hay when i go fast and then let off the gas my bike back firers aaaaaaaaaaaa lot what dose that mean .............................. :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :roll: :D

[katoranger]

You are running too lean. Give us more details on your bike. We need to know what mods/changes have been done etc.

Again I am moving this to the pit bike forum.