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Everything Dirt Bike
Make / Model Specific
Yamaha
2014 yz250f has what!? Fuel injection?
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<blockquote data-quote="Kyle" data-source="post: 139095" data-attributes="member: 880"><p>Does your dad do motocross or is it more trails? one thing is though, the 125 has to try twice as hard to keep up with the 250. I am happy for you that the yz250 has done that. But, every time I hop on the bike I ring its neck because you need to do that on a 125. 125 pistons just don't last long. And I do very good maintanice on all my things. Its just the jetting is sketchy because that's how the rod bearing gets oil. Where a four stroke already has oil and you just need to play with the jetting to get the right air/fuel mixture. The piston will still last long but you just wont be getting the same amount of power.</p></blockquote><p></p>
[QUOTE="Kyle, post: 139095, member: 880"] Does your dad do motocross or is it more trails? one thing is though, the 125 has to try twice as hard to keep up with the 250. I am happy for you that the yz250 has done that. But, every time I hop on the bike I ring its neck because you need to do that on a 125. 125 pistons just don't last long. And I do very good maintanice on all my things. Its just the jetting is sketchy because that's how the rod bearing gets oil. Where a four stroke already has oil and you just need to play with the jetting to get the right air/fuel mixture. The piston will still last long but you just wont be getting the same amount of power. [/QUOTE]
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Everything Dirt Bike
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Yamaha
2014 yz250f has what!? Fuel injection?
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