has anyone had a problem with their yfz 450 like almost dying wen your going slow or just idling along in the bottom of any gear and you give it all the throttle , i trying to figure out if its a carb problem or its misfiring and does and anyone that lives in missouri have a two brothers pipe and quad filter and it jetted wit a boyenson carb and a scary fast power now if you do what size are your main and pilot

what are the correct jets to use with the above applications while living in missouri

 

what have you done to your quad and are you still using the stock jets and how many feet above sea level are you. and i can tell you what to jets to use to get it pretty close to being where you need to be.

 

i ride a 06 yamaha yfz 450 anniversary edition
mods include: pro armor skid plates all around and nerf bars , ims roll bumper, pro armor grab bar, pro taper bars and grips, scary fast power now, boyenson carb bowl, renthal chain and sprockets, pro armor billlet covers, two brothers pipe k&n filter and jets, and itp wheels and tires



no i have dyno jets in it idk what size though and i live in st.louis ,mo