I'M IN THE TAMPABAY area I need help with my blaster asap if u wana make some monmey pleasecontact m

The other day out of no where my blaster just boged and died iv tried everything new plug / coil / stator / cdi / FLIPED THE REEDS it starts first kick but u gota keep it half throttle or more or it dies I even brought it to a shop and thay can't figer it out ether
 
Its actually my wife's quad i have a 400ex and she put that up shes pist at me bec i cant figer it out