I have an mt03 yamaha 2009 and have lost all the coolant from what looks like a hole in the bottom of the water pump, what does this mean and what could it be?

SOURCE: Yamaha WR250F Leaking coolant

yes thats the weep hole it leaks when your water pump iner seal starts going bad,

SOURCE: yamaha yz 125 2001.water leak

Yes, the water seal is leaking. This is the indicator hole for the water and oil seal.
Enjoy the ride !

Jon

Ned C Cook

• 3433 Answers
• Posted on May 27, 2009

SOURCE: 2003 crf 450 leaking coolant from hole from the bottom of the case under the water pump. What does this indicate?

It means your water pump seal is seeping at this point. Eminent failureportended. Replace water pump. Seals on pumps usually fail because of bearing wear, so this is a precursor to pump shaft failure. Good luck

SOURCE: Kawasaki KX250F 2006 model coolent leak

There are two seals on the impeller pump. Replace the seals an the leak is stopped. Put in a new cover gasket as well.


Go to the site below where you can see a parts diagram for your specific bike. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part, the part is not in stock. www.babbittsonline.com/pages/parts/viewbybrandand/parts.aspx Click on the "ENGINE COVERS" tab.

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