oil leak from open port right above exhaust on cylinder

1 reply to this topic
  • kdsyh3

Posted April 07, 2016 - 07:07 AM


2004 Yamaha WR450


Does anyone know what is supposed to cover the port shown in my attached picture?

Attached Thumbnails

  • 20160407_091921.jpg

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  • 0bigsilver6

Posted April 07, 2016 - 07:33 AM


That's where the decompression mechanism is supposed to be installed. You can order a head plug from eBay, or there is something at an auto parts store you can use. I don't recall what they're called. Will look and let you know.

18mm freeze plug at auto parts store.

Edited by 0bigsilver6, April 07, 2016 - 07:36 AM.


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