OEM or Wiseco

7 replies to this topic
  • fastyz250

Posted September 24, 2011 - 04:40 PM


Im rebuilding my 06 this winter top and bottom end and i was wondering if i should put an oem piston in or a wiseco? Im going to run stock compression so would there be any power difference? Or reliability issues with either?

  • Yamiryder

Posted September 24, 2011 - 04:58 PM



  • DC_Excitement

Posted September 24, 2011 - 09:08 PM


i agree with yamirider. oem is the most reliable and seems to be cheaper lately

  • crf450319

Posted September 25, 2011 - 06:23 AM


Oem x3

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  • Stinger1133

Posted September 25, 2011 - 07:24 AM


Oem is the only true safe way to go IMO.

Edited by Stinger1133, September 25, 2011 - 07:25 AM.
misspelled a word

  • KJ790

Posted September 25, 2011 - 09:01 AM


If you are going with stock compression then there is no advantage to running anything other than OEM. OEM pistons are forged for these bikes, but cost half as much as a forged Wiseco or similar aftermarket brand.

  • grayracer513

Posted September 25, 2011 - 12:52 PM



  • fastyz250

Posted September 25, 2011 - 03:54 PM


okay thanks alot guys for all of the feed back i just ordered an oem top end kit

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