Oil leak - Wr450f 2004

2 replies to this topic
  • Kalvsylta

Posted March 11, 2016 - 05:37 AM


The bike is leaking oil from where the arm connects to the engine case.
I've replaced bolt and O-ring.
Still leaks... Why, and what to do?


ImageUploadedByThumper Talk1457703434.317854.jpg

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • JVP

Posted March 11, 2016 - 01:21 PM


It looks like from the photo that someone overtighten the bolt.  It looks a little off centered.  There appears to be a small crack on the arm itself.   Maybe replace the enitre oil arm assembly. 

  • freestyle250

Posted April 06, 2016 - 01:16 PM


I had this on my '05 after I did a rebuild on it. My problem turned out to be the dowel pin. It was hard to see at first, but the dowel had split from top to bottom. 

Attached Thumbnails

  • Screen Shot 2016-04-06 at 3.13.35 PM.png

Edited by freestyle250, April 06, 2016 - 01:18 PM.


Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.