Yamaha YZ125 Athena Top End Gasket Kit (1999–2004)
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Yamaha YZ125 Athena Top End Gasket Kit – 2-Stroke (1999–2004)
🛠️ Description
Freshen up your Yamaha YZ125 top end with this Athena Top End Gasket Kit. Designed specifically for 2-stroke rebuilds, this kit includes premium quality gaskets to restore compression, seal strength, and reliability. Ideal for riders who service their top end mid-season or before a race, Athena gaskets are built to handle extreme conditions and high output.
✅ What’s Included
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Athena MLS Head Gasket (multi-layered steel construction)
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Multiple Premium Base Gaskets (varied thickness for compression tuning)
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Additional high-quality gaskets needed for a top end rebuild
📦 Fitment
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Yamaha YZ125 (1999–2004)
🛡️ Warranty Info
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Backed by Athena’s manufacturer warranty
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Professional installation recommended
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Note: Kit does not include valve stem seals, rubber parts, shims, or other fiber gaskets
🔑 Key Features
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Designed for pro, semi-pro, and amateur riders who rebuild mid-season
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MLS head gasket provides superior sealing and compression retention
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Base gaskets included in multiple thicknesses for compression adjustment
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Gives the option of running pump gas with stock compression or race gas with higher compression
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Built for durability in high-performance 2-stroke racing environments
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
