Athena 4-Stroke Top End Gasket Kit - P400485600350

Elevate your Yamaha YFM 350 engine's performance and reliability with the Athena Top-End Gasket Kit, meticulously engineered for models from 1987 to 2012. This comprehensive kit provides professional-grade components for optimal engine refreshing.

Description

Designed specifically for pro, semi-pro, and amateur riders who regularly refresh their 4-stroke engine, the Athena Top-End Gasket Kit ensures your Yamaha Warrior YFM 350 X or Big Bear YFM 350 FW 4X4 (1987-2012) maintains peak performance. This premium engine rebuild kit includes a top-of-the-line Multi-Layer Steel (MLSS) head gasket, renowned for its superior sealing capabilities and durability under high-stress conditions. To further enhance your engine's tune, the kit also provides two or more premium quality base gaskets of varying thicknesses. This crucial feature allows riders to precisely optimize engine compression ratios, giving you the flexibility to choose between standard pump gas with stock compression or high-octane race fuel for maximum power output. Crafted from high-quality rubber and other materials, this Athena gasket kit is an essential component for any serious engine refresh, ensuring a tight, reliable seal for your top-end rebuild.

Features & Highlights

• Optimized for Performance: Specifically engineered for pro, semi-pro, and amateur riders who perform regular engine refreshes, ensuring your motorcycle is always ready for peak performance.
• Premium MLSS Head Gasket: Features a high-quality Multi-Layer Steel (MLSS) head gasket for superior sealing, exceptional durability, and reliable performance under demanding conditions.
• Tunable Compression Ratios: Includes multiple base gaskets of different thicknesses, allowing precise optimization of your engine's compression ratio for either standard or race fuel.
• Complete Top-End Refresh: Provides essential components for a thorough top-end rebuild, restoring critical engine seals and preventing leaks.
• Exact Fitment: Designed for a perfect fit on Yamaha Warrior YFM 350 X and Big Bear YFM 350 FW 4X4 models from 1987-2012.

Technical Specifications

• Product Type: Top-End Gasket Kit
• Engine Type: 4-Stroke
• Material: Rubber
• Units: Kit
• Brand: Athena
• MPN: 400485600350
• EAN: 8050444899519

Important to Know

• Valve stem seals are NOT included.
• Other rubber parts (not specific gaskets) are NOT included.
• Shims are NOT included.
• Other fiber gaskets (not part of the top-end kit) are NOT included.