2005 Minarelli Aprilia 2 Stroke 50cc Issue [Pls Help]

[ty2212]

was out for a couple hours riding, parked and then went to leave 20 mins later;

Didnt want to start, WOT it starts and instantly started sputtering wanting to die so gave it 1/3 throttle to keep it from dying for a few seconds then let go and it died. Fuel was spilling out the bottom of the airbox. Has not started since. Left it for days still no start.

Put new spark plug in and held against frame turning over has spark and plugs wet gets fuel but no go

Have had the PHBN12 carb off apart everythings clean looks good, blew it out and float works is also non adjustable

Have swapped a new PHBN17.5 carb on no start it previously ran good with it

I am unsure where to go from here any ideas? It is a simple 2 stroke, very familiar with them. it has fuel and spark but wont start. Only thought is maybe reeds (7000km on scoot) Thanks in advance