kmac91 Posted April 28, 2009 Report Posted April 28, 2009 I just rebuilt my top end on my bike and changed all the fluids at the same time. Since the rebuild my bike has been leaking transmission fluid out of the line that runs up toward the radiator. The leak only happens when im riding. Could this be an overflow incase i put too much tranny fluid in? Or is there a more serious problem? Quote
swrbansheeboy Posted April 29, 2009 Report Posted April 29, 2009 how much fluid did you use to refill the case? should have only been around 1.5 quarts. why did you replace the top end, did you burn up a piston by chance? if i were you i would do a leak down test to confirm that the engine holds pressure. this is just a theory but it seems your crankcase is somehow becoming pressurized above normal (theres basicly no pressure in your crankcase except fluid expanding from heat under normal conditions) operating pressures for some reason, now if you might have melted a right side piston you may have shoved a bunch of aluminum through your pto side crank seal allowing the pressure from your crankcase to escape into your tranny thereby pushing fluid out either the breather hose on the front of the water pump or from the breather between the rear engine mounts. as i said, just a theory... but i'd still leakdown test that engine if it were mine.... Quote
kmac91 Posted April 29, 2009 Author Report Posted April 29, 2009 Yah i blew the right side of my top end. It seems to do this only for the first few minutes im riding then stops. Quote
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