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boringThis is a discussion on boring within the 2-Stroke Motorcycles - Yamaha forum, part of the 2-Stroke Motorcycle Forums category; Its a little early to be posting this, but my question is about boring out my 125. I have an ... |
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#1
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| Its a little early to be posting this, but my question is about boring out my 125. I have an 03 yz125. Ive only ridden it twice before and I dont plan on boring it soon, but Im just curious. What is the most you can bore out a 125 without having problems? How much would it be to bore it out? Say I way to bore it out to 175cc, how much of a hp gain would I have? Is it enough to were it would seem like a totally different ride or should I just outgrow it and go to a 250? thanks, zach |
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#2
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| Max powers gots a 155cc stroker kit, it puts out close to 40 hp. But unless you got money to burn or you think the gains are worth the price look else where. "ONLY $1500.00" As fare as how much you can bore it out, I think RPM has a 167 kit for the yz. |
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#3
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| If boring my bike is going to be 1500 bucks, I wouldnt think twice about not boring it. |
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