Piston for athena big bore

3 replies to this topic
  • chouca222

Posted August 19, 2011 - 01:08 PM



I just bought a 2009 yz450f for supermoto. This bike is athena big bore 480. I have just order a new piston for this big bore. The seller (atvunlimited) sold me an athena piston but it seems to be for 2003-04 models. Are they the same for 2009?

Thank you and sorry for my english :eek:

  • twomancrew

Posted August 19, 2011 - 05:40 PM


I would say no. But not certain.

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  • Geoffit

Posted August 20, 2011 - 11:19 AM


The 04-09 pistons will interchange the part numbers changed through the years on the standard pistons but they also interchange. the big bores are the same as well

  • chouca222

Posted August 21, 2011 - 01:44 AM


Thank you for your answers.

I also found the information on athena website :eek:

They are interchangeable.

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