after i installed the cam it seemed like 1-3 gear just revved a lot faster and made more power quicker

 

...........you know what I did to make mine faster..........I bought a yfz450 and put an exhaust, intake, and yz cam in it!! Works great, and dont have to mix fuel anymore and put up with 2 stroke crap!!.
Just jokin!!! Don't hate me!

 

39mm carbs are way too big. No more than 35s or 36s and not even them unless its all out ported and revs to 13k+ or ~400cc+

 

I second badshee98. Porting and Alcohol!

I'm still not conviced those GPS things are accurate, +80mph is pretty fast.