[Jht426]

I have put together a parts list for my Mx650 2 stroke and this is what i have.
Whatcha think

 

[MrKitty]

How are you going to do it is it going to be a pocket bike engine or is it going to be one of those China girl bicycle engines ?

 

[Jht426]

How are you going to do it is it going to be a pocket bike engine or is it going to be one of those China girl bicycle engines ?

Its one of those china girl engines. i got it for free and put it on this razor and it rides great i just wanna do some upgrades to get her even better

 

[Atvrunner2]

I know there are better carbs for the China girl, I believe it was a 1102, a pumper carb. I know that carb works but the tunabilty is not good. Good choice in the electronics. When you are ready there is info out there on porting those heads and balancing the crank.