Athena big bore kit in 2006/2007 YZ450?


1 reply to this topic
  • Ben_Atkinson

Posted July 05, 2007 - 10:45 AM

#1

Has anyone put an Athena big bore kit (478cc) in their 2006/2007 YZ450? If so, how does it work? Do you have to change the jetting with this kit?

Are there any other options for a bigger motor besides the Athena kit?

Thanks.

--Ben

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • FLjoyride

Posted July 05, 2007 - 11:10 AM

#2

Here is this vertex one:

http://cgi.ebay.com/...sspagenameZWDVW





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