440 startin help

[yoshz400rider]

I just put a 440 in My Z and it runs great but it doesnt seem to start up after i ride it for like ten minutes it takes alot of cranking almost like it is getting to much fuel and not enough air I am lost at what to do anyone have ne suggestions.

[400exrider707]

You need to be way more specific with your mods and let us know about your jetting too. How does it run? Is it just hard starting?

[yoshz400rider]

my kyboar is bust