pumping water??


1 reply to this topic
  • wr 400 mikky

Posted September 08, 2008 - 10:20 AM

#1

how do i tell if the 400 is pumpin water round the engine when she`s a runnin?
i took it out today and boiled over, worried the water pump ain`t workin after the rebuild, not done enuff miles to be confident on her yet, since surgery..

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  • matt4x4

Posted September 08, 2008 - 11:43 AM

#2

It sounds like you don't have a reservoir....
if your rads heat up to the same as your head - you have circulation.
If you filled it up after a rebuild, it will be over full and some will have to push out to get to it's "comfortable" level - when fluid heats up it expands - pushing some out if it was full, then it contracts when you park teh bike and the level in the rad will drop a bit - about 3/16th below lip inside rad cap area.




 
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