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Everything Dirt Bike
Make / Model Specific
Yamaha
The 1999 YZ250
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<blockquote data-quote="PALMER84ONE" data-source="post: 222608" data-attributes="member: 6"><p>Ride the 125 more and it will make YOU a better rider. </p><p></p><p>99-11 engine is essentially the same. When the crank goes get the 01-02 and add a spline washer under the primary stack and it will lessen the price of an entire crank when you need a new one. </p><p></p><p>Minor porting changes in the jug, and jetting, well you either make that carb work, or dump it for the PWK of 02 and up. You can even get the 02 up harness w/CDI for pretty cheap used and change the dynamics. </p><p></p><p>Many people will remove the reed spacer that was introduced in 2001? or maybe it was 02 and bring their bikes to the quicker hit that you are experiencing with the 99-00. However, the flywheels have changed from the 99-01, 02, 03-05, 06 up as they started to add a little more weight to them to make them grunt a little easier that than wing off throttle.</p><p></p><p>I know a little about the YZ's. <img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p></blockquote><p></p>
[QUOTE="PALMER84ONE, post: 222608, member: 6"] Ride the 125 more and it will make YOU a better rider. 99-11 engine is essentially the same. When the crank goes get the 01-02 and add a spline washer under the primary stack and it will lessen the price of an entire crank when you need a new one. Minor porting changes in the jug, and jetting, well you either make that carb work, or dump it for the PWK of 02 and up. You can even get the 02 up harness w/CDI for pretty cheap used and change the dynamics. Many people will remove the reed spacer that was introduced in 2001? or maybe it was 02 and bring their bikes to the quicker hit that you are experiencing with the 99-00. However, the flywheels have changed from the 99-01, 02, 03-05, 06 up as they started to add a little more weight to them to make them grunt a little easier that than wing off throttle. I know a little about the YZ's. :thumb: [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
The 1999 YZ250
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