help please throttle at max skips

[brandon31]

I am a first timer and assembly whent well i fabricated a little though, took a rim with disk brake mountin hub on rim drilled new holes in sprocket bought longer bolts and hardware then slapped it together works great. But when i throttle at mid to max it skips how can i fix and why at max does theengine miss .thank you and some feedback is appreciated god bless

 

[Deleted member 12676]

it is running too rich and is four-stroking.
lower the carb needle and replace the air filter if there is any flow restriction while blowing thru it.
if still doing it then click on my signature link to find out how to make the main jet hole smaller to lean out the mixture.