nrg dt problems please help

wen my nrg is on the stand it revs like normal i take it off and wont go over 5000 and sum times bogs out completly ive checked carb jets fuel filer air filter and changed plug sum 1 please help

 

chek reeds

 

checked them mate there clear

 

only thing i havent checked is if exhaust is blocked up at bottom end????

 

ye check that wot plug u got in i had this problem myn fired up as soon as i reved it it cut out

 

not sure but i got brand new 1 today from local piaggio dealer

 

look at ur plug tell me the numbers

 

erm bikes in garage dwn road nw ill av a look tmra