Hi,what can i do to get some more horse power from this motor?(the motor ,i think it is a copy of a honda CG 125,or XR 125)
I think i know a CDI that fits mine ,its a No Rev limit CDI ,any of this will fit?

http://www.amazon.com/Racing-Ignitio...nese+dirt+bike

http://www.ebay.com/itm/GY6-50cc-125...-/181260781254



I already opened the Exhaust removed the fiber and a piece of metal that was all loose inside the exhaust...

If this motor Gets fucked up im thinking to get a new motor ,what 250cc,200cc motor fits this bike?Sem Título2.jpgSem Título.jpg