KTM 450 top end gasket question

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3/21/2021 9:22 PM

Threw a piston in my 18’ 450sxf and used a Tusk gasket kit (huge mistake leaked coolant into cylinder right away. OEM stuff on the way). But anyways these were in the Tusk kit and I have no idea what they are or where they would go. Can’t locate them on the parts schematic. I threw it together without them. Are these the culprit to my coolant leak? If so where on earth do they go. Didn’t see anything like this during my initial tear down. Thanks in advance Photo
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3/21/2021 9:53 PM

The 4x are your valve seals and the 2 o-rings look like your valve rocker shaft seals.

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Powerband in every gear !

3/22/2021 12:06 AM

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3/22/2021 8:20 AM

Sweet. Thanks guys!

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3/22/2021 1:11 PM

Regarding the coolant—did you check the gasket surfaces for nicks/gouges and torque the cylinder head bolts to factory spec?

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