Piston choice for 2009 YZ450F


6 replies to this topic
  • stroker101

Posted August 19, 2012 - 03:27 AM

#1

what would you guy's suggest as a replacement? OEM or aftermarket (brand)? i already have the case split to repair the 5th gear issue i have. so while i have it apart, i want to replace the piston and rings.

thx

  • grayracer513

Posted August 19, 2012 - 08:35 AM

#2

Unless you are racing and you're losing races only because of a lack of 1 horsepower, OEM is less expensive and more reliable.

  • FinchFan194

Posted August 19, 2012 - 04:12 PM

#3

OEM.

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  • Family Man

Posted August 19, 2012 - 06:15 PM

#4

athena. I recently purchased one off ebay for 42 dollars including shipping brand new. complete with rings, circlips and wrist pin. I have seen more on there. Its 13.6 to 1. cant beat it.

oh and forged.

  • grayracer513

Posted August 19, 2012 - 09:53 PM

#5

oh and forged.


OEM YZF pistons are also forged.

  • stroker101

Posted August 20, 2012 - 07:28 AM

#6

i ordered everything i'll need to put my 09 back together. i went with what was suggested for the piston,...Yamaha OEM.
should have all the OEM parts by the end of the month.

thanks guy's!

Edited by stroker101, August 20, 2012 - 07:28 AM.


  • ss55539

Posted August 20, 2012 - 07:59 AM

#7

anywhere you can buy the oem as a kit?





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