HEADS UP!!!

Site upgrade in progress... Core site functions are working, but some non-critical features/functions will be temporarily unavailable while we work to restore them over the next couple of weeks.

Please post any bugs you encounter, but before you do, check to see if it's already listed.

Thanks for your patience while we work to improve the community.

Sign in to follow this  
Followers 0
jcm3

2011 YZ450 coolant out of weep hole

4 posts in this topic

I have a 2011 YZ450 with about 12 hours or so on it, mostly track riding. I thought I had a little leak out of the coolant drain bolt, so removed it and replaced the washer. When it kept leaking, I checked better, and it looks like it might be leaking out of the weep hole. I need to wash it and take it for a ride around the block to make sure (the bike had quite a bit of track dirt around the leak, so hard to tell at the track), but I should be able to confirm soon.

The leak is pretty light, I can ride 5+ laps, and the level is only down a tiny bit, usually still over or right at the fins.

I'm about 95% track, but a vet rider, so not pushing it too hard. (

), so a bit suprised by a leak so early on. This is my seventh YZ in my life, so I know how reliable they usually are.

I found this thread, but in doing lots of searches, I was not getting any appropriate hits. Anyone else have their new YZ leak water this early?

http://www.thumperta..._1#entry9557486

Thanks for any info.

Share this post


Link to post
Share on other sites

If you have owned 7 yamaha 's and this is your first water pump seal to go bad...consider yourself lucky

Yeah, and some have had some life on them. I know they go bad, but I'm hoping it didn't start to leak in 15 hours. I'll clean it up and get a better look.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now
Sign in to follow this  
Followers 0