February 11, 200818 yr hi all did a local trial on sunday and for no reason my bike just blew all its water out of the raidiator overflow pipe. it was running well and then all hel broke lose and went up in a cloud of steam. i have had this problem before when the fan stoped working but this time the new fan is quite happy buzzing away doing its job. i have no idea on how to sort this out apart from set fire to the bloomin thing any help aprecated! max
February 11, 200818 yr When you say you had it happen before when the fan give up, did you make sure when you refilled it all the air was out of the system ?
February 12, 200818 yr Make sure your fan is running above idle. When I had an overheat problem the fan ran fine at idle but givi it some gas and the fan would quit. The was a wire broken on a capacitor that is attached to the voltage regulator. I resoldered the wire and that fixed it.
February 12, 200818 yr Author yes there was no air in the system. i used the small bolt on the cylnder head to make sure. i started it up last night and it seamed to be fine but then started to drip slightly out of the tube agen. this is realy confuzing me!
February 12, 200818 yr Are you leaving some room for expansion, it will push coolant out of the overflow until it finds the right level. Or maybe the system is pressurizing through a failed oring or head gasket. Edited February 12, 200818 yr by Ishy
February 12, 200818 yr Author thanks for that i will run it up tomorrow and see if it happens agen sorry for being stupid but what o-ring is it? max
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