Athena Top-End Gasket Kit P400485160076 - Yamaha YZ85 2019-2022

Product Description

The Athena Top-End Gasket Kit is specifically designed for the pro, semi-pro, and amateur rider who freshens up their engine prior to a race or during midseason. This kit delivers OEM-level sealing performance to restore factory reliability and compression.

Engineered with precision manufacturing techniques, this kit includes a top-of-the-line multi-layer stainless steel (MLSS) head gasket and premium quality base gaskets in varying thicknesses to optimize engine compression ratios. It gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression.

Top Features: Athena Top-End Gasket Kit

• Specifically designed for the pro, semi-pro, and amateur rider who freshens up their engine prior to a race or during midseason.
• Includes a top-of-the-line MLSS (Multi-Layer Stainless Steel) head gasket for exceptional combustion sealing[cite: 1].
• Supplied with two or more premium quality base gaskets of different thicknesses to optimize engine compression ratios[cite: 1].
• Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression[cite: 1].

Please review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Are base gaskets of different thicknesses included in this kit?
A: Yes, the kit includes two or more premium quality base gaskets of varying thicknesses so you can optimize your engine compression ratios[cite: 1].

Q: What type of head gasket comes with this kit?
A: This kit includes a top-of-the-line Multi-Layer Stainless Steel (MLSS) head gasket[cite: 1].

Q: Is this gasket kit meant to be used with a stock cylinder?
A: Note that this specific kit is designed for use with an Athena standard-bore cylinder kit[cite: 1].

Expert Pro-Tip: When installing a new top-end gasket kit, always thoroughly clean and degrease the mating surfaces on both the cylinder and crankcase. Ensure the dowel pins are clean and fully seated to guarantee proper alignment of the MLSS head gasket and cylinder, preventing any premature blow-by or coolant leaks.

Recommended Pairings:

• Yamaha YZ85 Performance Parts & Upgrades
• Piston / Top-End Kits
• Engine Rebuild Kits

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