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phobs

coolant coming out of spark plug drain hole

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Lately when i start up my yz450 i have noticed that there are a few drops of coolant that come out of the spark plug drain hole. if i go ride the bike around the block a few times, when i come back enough coolant has dripped out of the hole to leave a small puddle on the top of the engine case. anyone know what might be causing this? thanks.

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makes me think head gasket :thumbsup: Check all of your hose clamps too one might be loose. Maybe a pin hole leak in one of them? That's all i got for ya, good luck and hopefully a WR guru will step up to help you further if need be. :thumbsup:

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