adam Posted July 14, 2008 Report Share Posted July 14, 2008 my fan on my 07 rev 3 just suddenly stoped working. tryed bypassing the switch but still no life. any suggestions would be cool . chears Quote Link to comment Share on other sites More sharing options...
ianwilson Posted July 14, 2008 Report Share Posted July 14, 2008 Just fixed a problem on an 07 250. The fan only worked when revs were off tickover. The cause was the black box as described previously was not mounted on the bolt behind the radiator. It seems to earth through the mounting bolt and was sparking. Once reconnected it worked fine. The bike has not been a great starter from cold bot now seems to be. Quote Link to comment Share on other sites More sharing options...
sideshowbob Posted July 15, 2008 Report Share Posted July 15, 2008 I had the same problem on my '02. The black box (I can't remember what it's called) went bad. The way I found out was the yellow wire coming out of it wasn't providing any juice, but it had juice going in. Not too long after that, the switch on the rad went bad, but that was easy to figure out. Just get a tester and you should be able to find the problem. Quote Link to comment Share on other sites More sharing options...
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