I Have a motorcycle yamahat dt 125...123cc...The problem is that it has a very low power max it can go is 30 km/h,if you listen to it when accelerating it seems ok....I`ve tried every thing to fix it but no success ...I thought maybe the problem is to the CDI wich is DC....because DC Cdi spark is constant at low rpm also at high rpm,,,, maybe if i install an AC CDi the spark is gonna get bigger at high rpm and my motorcycle is goona have more power...thank you.sorry for my bad english

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