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Dirt Bike Brands - Other
YZF coolant problem
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[QUOTE="pursang262, post: 595309, member: 19269"] Hopefully some of you guys can help me figure this out. Yesterday I brought my YZ to a track day at Loudon. The first couple of sessions I played with jetting and got that sorted out quite well.By the way this motor rips,it's geared 15/39 and wants more.back to my problem, about halfway through the afternoon it started to puke coolant.It didn't seem to be overheating.We swapped radiator caps with another bike,both 1.1 and it still blew the coolant out. This morning I brought the bike to the shop and pressure tested the cap and it was good.We used a digital thermometer and found even temps throughout the radiators and hoses.I kind of suspect the head gasket, but wouldn't that also cause coolant to be sucked into the combustion chamber? We found no sign of coolant being burned.Are there any tests or checks I can perform before I just tear this thing apart?It's not that big a deal to change a gasket,but I don't want to do it twice.Any ideas? Thanks in advance. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
YZF coolant problem
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