coolant leak solved

[Darren Clark]

J-L, Put the picture into the photos section of the group. They're deleted from the emails by Yahoo! Darren Clark 2004 KLR-650 Fowlerville, MI jean luc ascencio wrote:

> Listers > A few months back,my 87 KLR developed a coolant leak .In the beginning ,it was small and just necessitated monitoring ,there was no oil in the coolant and no water in the oil,but,with time the leak became larger and I noticed some fluid coming out of the back of the motorcycle ,I traced the leak to overflow of the expansion tank: > I cleaned all the lines,checked the radiator and the water pump,all were good but I still had a leak. > The only thing that came in mind after an extensive research was that the head gasket was leaking exhaust into the coolant system ,pressurizing it ,pushing all the coolant out of the pressure relief valve of radiator cap to the expansion tank. > I decided to open up the head ,changed the gasket (also replaced the doohickey since I was at it) ,buttoned everything up and now the old bike is running way better and does not leak coolant anymore. > PS : the doo was not broken but the it had a lot of play around the shaft and the spring had no tension whatsoever so the balancer chain was loose. > > J-L > > I attached a picture of the trace of the exhaust leak on the cylinder head. > > > > > > > > [Non-text portions of this message have been removed] > > > ------------------------------------ > > List sponsored by Dual Sport News at: www.dualsportnews.com > List FAQ courtesy of Chris Krok at: www.bigcee.com/klr650faq.html > Member Map at: http://www.frappr.com/dsnklr650Yahoo! Groups Links > > > > >