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Everything Dirt Bike
Make / Model Specific
Yamaha
2001 YZ125
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<blockquote data-quote="PALMER84ONE" data-source="post: 219299" data-attributes="member: 6"><p>Don't be sorry, it's a sign of weakness. Hope it was under 154.00. Make sure they relieved the exhaust bridge, should have had them know what piston you had or were using. I would just "suck it up" and pay for the one they have. This insures the bore. You may need to adjust the ring, I did on the 01-125 I am building. Almost done with it, this weekend I suppose.</p><p>Nothing wrong with Wisesco pistons, I have used them but prefer the Vertex. So, OEM is probably out of the question because they don't stock it. Your choices are their brands. Hopefuly they carry a selection. In addition to and very inportant to all this, the piston must have two oil holes on exhaust side located where it rides on the bridge.</p><p>Last I checked USChrome, they sent their cylinders out to a third party, and only pressed sleeves at their shop.</p><p>So for pistons my choices from best to lest:</p><p>OEM</p><p>Vertex</p><p>ProX</p><p>Athena</p><p>Wiseco</p><p>Wossner</p><p>Even a Moose Racing as they are stamped ART.</p><p>And never Namura.</p></blockquote><p></p>
[QUOTE="PALMER84ONE, post: 219299, member: 6"] Don't be sorry, it's a sign of weakness. Hope it was under 154.00. Make sure they relieved the exhaust bridge, should have had them know what piston you had or were using. I would just "suck it up" and pay for the one they have. This insures the bore. You may need to adjust the ring, I did on the 01-125 I am building. Almost done with it, this weekend I suppose. Nothing wrong with Wisesco pistons, I have used them but prefer the Vertex. So, OEM is probably out of the question because they don't stock it. Your choices are their brands. Hopefuly they carry a selection. In addition to and very inportant to all this, the piston must have two oil holes on exhaust side located where it rides on the bridge. Last I checked USChrome, they sent their cylinders out to a third party, and only pressed sleeves at their shop. So for pistons my choices from best to lest: OEM Vertex ProX Athena Wiseco Wossner Even a Moose Racing as they are stamped ART. And never Namura. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
2001 YZ125
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