
Cometic EST Top End Gasket Kit – Yamaha YZ250F WR250F (2001–2013)
🛠️ Cometic Top End Gasket Kit – Yamaha YZ250F / WR250F (2001–2013)
Get maximum sealing power with Cometic’s high-performance EST Top End Gasket Kit. Engineered for Yamaha 250F engines, this kit includes everything needed for a reliable top end rebuild—delivering better ring seal, even heat dissipation, and reduced bore distortion.
✅ What’s Included:
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MLS head gasket (77mm bore, EST-rated)
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Base gasket
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Cylinder O-rings
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Rocker and top-end specific seals
📦 Fitment:
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Yamaha YZ250F: 2001–2013
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Yamaha WR250F: 2001–2013
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Gas Gas EC250F: 2010–2011
🛡️ Warranty Info:
Cometic offers warranty coverage against material or manufacturing defects. Designed and manufactured in the USA for high-performance 4-stroke applications.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
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