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Everything Dirt Bike
Make / Model Specific
Honda
Help with my yz250f
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<blockquote data-quote="SRAD97750" data-source="post: 229814" data-attributes="member: 425"><p>Yes, foamy oil is a sign of water in the system. Usually a head gasket is the point where the two mix.</p><p>Does the coolant look like milkshake as well?</p><p>Does the coolant bubble wildly if you remove the rad cap after you first start it up cold?</p><p>Does it push coolant consistently out the overflow hose even when the bike isn't hot?</p><p></p><p>I imagine you know what you have to do, but these questions may help you prove it's the head gasket.</p><p>-BIG DAN <img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p></blockquote><p></p>
[QUOTE="SRAD97750, post: 229814, member: 425"] Yes, foamy oil is a sign of water in the system. Usually a head gasket is the point where the two mix. Does the coolant look like milkshake as well? Does the coolant bubble wildly if you remove the rad cap after you first start it up cold? Does it push coolant consistently out the overflow hose even when the bike isn't hot? I imagine you know what you have to do, but these questions may help you prove it's the head gasket. -BIG DAN :thumb: [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Honda
Help with my yz250f
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