weird engraved numbers on engine?

5 replies to this topic
  • yzf426f

Posted May 04, 2009 - 06:50 AM


hey guys today i was cleaning my bike and found what looks to be like someone has engraved numbers on various parts of my engine?any idea of what it means?


  • spark250

Posted May 04, 2009 - 07:33 AM


motor could have been assembled or ported by a shop. A lot of times they use engraved numbers to identify and track work that has been performed.

But if it's engraved by hand there is no way to really know...

  • yzf426f

Posted May 04, 2009 - 08:37 AM


so im guessing there is no way to really tell what it is ?

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  • spark250

Posted May 05, 2009 - 06:52 AM


I would say probably not. Unless the engraving has something that mentions a shop name.

  • grayracer513

Posted May 05, 2009 - 09:48 AM


This is common. The engraved numbers are used at the factory to note measurements for custom fitting, lot numbers, quality control, etc.

  • keegan1014

Posted May 05, 2009 - 05:50 PM


I was gonna do this on my bike so if it got stolen
I could ID it fast

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