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Everything Dirt Bike
General Dirt Bike
Potential reason for 2T extinction
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<blockquote data-quote="D8K" data-source="post: 55577" data-attributes="member: 648"><p>Things have changed since 2002, and the YZ250F is UNDERPOWERED compared to the other 250F's. I had my 05' KX125 Dynoed With a 134 kit, PC works pipe, Shorty, porting job, milled head, race gas, and a good aftermarket filter. It made about 38 HP WHICH IS incredible for a 125. But a 250F STOCK makes about 36-37 HP and one with alot of engine mods can make in the 40's for HP figure. Yes a 125 can be made competitive against a 250f, but 250f's are faster now, AND IT IS A FACT ALTHOUGH I'M A DIE HARD TWO-STROKE RIDER- LOOK AT MY SIG. All of the development has gone towards four-strokes <img src="https://www.dirtbikeaddicts.com/static/images/smilies/rant.gif" class="smilie" loading="lazy" alt=":rant:" title="Rant :rant:" data-shortname=":rant:" />.</p></blockquote><p></p>
[QUOTE="D8K, post: 55577, member: 648"] Things have changed since 2002, and the YZ250F is UNDERPOWERED compared to the other 250F's. I had my 05' KX125 Dynoed With a 134 kit, PC works pipe, Shorty, porting job, milled head, race gas, and a good aftermarket filter. It made about 38 HP WHICH IS incredible for a 125. But a 250F STOCK makes about 36-37 HP and one with alot of engine mods can make in the 40's for HP figure. Yes a 125 can be made competitive against a 250f, but 250f's are faster now, AND IT IS A FACT ALTHOUGH I'M A DIE HARD TWO-STROKE RIDER- LOOK AT MY SIG. All of the development has gone towards four-strokes :rant:. [/QUOTE]
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