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Yz 125 leaking

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If its leaking at the head. Then you would just want to replace the two.orings. but if its leaking at the base your going to.have to take the cylinder off as well and replace the gaskets.

Sounds like a blown head gasket to meeting

hope this helps

Thanks and god bless

Alex

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X2 and make sure everything is torqued correctly in a criss cross pattern.

+1 on that one. And if its leaking at the base make sure you torque at a criss cross pattern as well:thumbsup:

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Thanks guys I took the expansion chamber off and tourqued all the bolts and it seemed to stop leaking coolant but there is a black hose running from the head to the bottom of the engine and it's leaking gas... Is that normal?

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Ummm im not sure about gas but all that pretty much is like drains the oil from the powervalve. Sometimes if your running rich you'll see some oil come out of it, or even when your done riding.

I had a 07 yz250 and mine dripped oil out of it all the time no big deal. And after i cleaned my powervalve the dripping stopped.

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