i have a Honda 416ex it starts every time first time idles great. but when i'm riding and i get on it at high RPM's it spurred out a little bite any i dears i think it might be the needle setting. any advise would be great thank's happy trails.

 

What does it have for a exhaust, filter and jets? Even if you have the stock exhaust you still need to rejet when you bore to a 416