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Enough mid to top?

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I am considering buying a '01-'02 yz250f. I currently have a yz 125. It is bored to 133,ported mid-top,flat top piston,race gas,fatty pipe, and I think thats it. Well anyway I want a 250f b/c everyonce in a while I just dont have the tourque to up in the powerband. Thats where the 250f comes in I know it will have the low end. But will it have anything like my yz as far as mid to top. i was thinking some aftermarket parts like dsp power now and ignition would help but how will it do stock?

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The power now will help low end, and take a little away from the top end.

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the stock pipe kinda restricts the top end some. Aftermarkets work much better. Do some searches for jetting and good jetting with an aftermarket pipe really rip on top (with little or no loss on bottom).

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