leaking coolant from tiny pinhole under water pump on 04 yz450f? any one know why?


2 replies to this topic
  • big53lee

Posted March 22, 2011 - 06:58 PM

#1

there is a tiny pinhole under water pump on my bike, its a factory made hole in the water pump not a crack or break. leaks only when bike is running. i need some help.

lee

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  • curtis515s

Posted March 22, 2011 - 07:44 PM

#2

there is a tiny pinhole under water pump on my bike, its a factory made hole in the water pump not a crack or break. leaks only when bike is running. i need some help.

lee


The seals need replaced. Both the water and oil seals. I would also replace the impeller shaft as it get worn also.

  • ttr250dude

Posted March 23, 2011 - 01:28 AM

#3

The seals need replaced. Both the water and oil seals. I would also replace the impeller shaft as it get worn also.


x2. Fill it up with with distilled drinking water(from a bottle) for now but it sounds like u need new gaskets/seals.





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