water pump problem

5 replies to this topic
  • czapa

Posted May 04, 2009 - 08:48 PM


hi there
its 2006 wr 450 380 miles on it, that's how i bought it
did not ride it, try to start last month and theres a short leak of coolant around the water pump area.could it happen to almost new bike?
o and the header is turning crazy red very quick.
looks like cooling system doesn't work ,right?
do i need to replace the whole thing or just some seals?

  • davidl9999

Posted May 04, 2009 - 09:12 PM


WR's are notorious for bad waterpump shafts. Plan to rebuild it. You can get an aftermarket impeller/shaft. I've read that they're better than stock, but I don't personally know.

The header will turn red if the bike is run but isn't moving. Once there's airflow over the header, the Ti will cool down pretty quick.

  • Regalman

Posted May 05, 2009 - 05:37 AM


I'm kinda pissed, I'm in the same boat. Brand new bike, less than 100 miles on it when it started leaking. Wish I would have caught it before the 30 day warranty was up. That will teach me to buy a bike at the end of the riding season.

Seems to be bullpuckey to me.

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  • Slow and Jerky

Posted May 06, 2009 - 04:51 AM


You might want to call Yamaha customer service and talk to them. I had an issue a few years back with my son's TTR that the shop we bought it from told us was not covered under warranty. I called Yamaha and talked to a rep about it and they took care of it. Writing an actual snail mail letter is not a bad idea either.

  • czapa

Posted May 06, 2009 - 08:15 AM


Does anyone know which excact parts do I need to get for the water pump problem or should I take apart my pump first and then see what I need?
Thanks for any info and advices

  • gbalias

Posted May 06, 2009 - 05:30 PM


take it apart 1st. but id replace everything anyways. its not expensive.


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