Athena big bore kit for YZ450F

1 reply to this topic
  • EGPeil

Posted April 03, 2008 - 11:31 AM


Wondering if anyone has tried this kit with their YZ/WR450Fs? If so what do you think about it? What kind of riding to you mostly do?

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  • dforbes67

Posted April 03, 2008 - 12:44 PM


07 yz450f , with 480 big bore ,LOVE it , big power gain .

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