Cylinder Piston Gasket Top End Rebuild Kit For 1987-04 Yamaha Warrior 350 YFM350
$ 36.37
Description
Cylinder Piston Gasket Top End Rebuild Kit For 1987-04 Yamaha Warrior 350 YFM350 Top End Rebuild Kit | STD 83mm Bore | For Yamaha Warrior/Big Bear/Grizzly/Raptor 350 (1987–2014) Complete Cylinder-Piston-Gasket Set | 348cc Displacement | 90-Day Warranty | Direct OEM Replacement Professional-grade top end rebuild kit engineered for Yamaha 350cc ATVs, featuring precision-machined components, superior sealing gaskets, and full compatibility with Warrior, Big Bear, Grizzly, Raptor, and Wolverine models – restores engine compression, power, and reliability. 1. Core Specifications & Compatibility 🚨 OEM Part Number Cross-Reference ✅ Directly replaces: 1UY113100300, 4KB113510000, 934501909500, 4GB116100000, 1YW1163101Y0, 55V116330000, 1UY111810100, 5YT113100000, 4WU113100000 (and corresponding hyphenated part numbers) 🚨 Exact Yamaha ATV Fitment Model Year Range Warrior 350 (YFM350X) 1987–2004 Big Bear 350 4x4 (YFM350FW) 1987–1999 Big Bear 350 2x4 (YFM350U) 1996–1999 Bruin 350 4x4/2x4 (YFM350FA/YFM350A) 2004–2006 Grizzly 350 2x4/4x4/4x4 IRS (YFM350G/YFM350FG/YFM350FGI) 2007–2014 Moto-4 350 (YFM350ER) 1987–1995 Raptor 350 (YFM350R) 2004–2013 Wolverine 350 4x4/2x4 (YFM350FX/YFM350X) 1995–2009 🚨 Key Product Specs Parameter Details Condition 100% Brand New Item Type Top End Rebuild Kit (Cylinder + Piston + Gaskets + Hardware) Actual Displacement 348cc Bore Size STD 83mm Piston Specifications Diameter: 82.95mm; Height: 58.8mm; Pin Diameter: 19mm; Pin Height: 65mm Stroke 64.50mm Piston Material High-Grade Aluminum (wear-resistant, heat-dissipating) Warranty 90-Day Manufacturer Warranty Free Return 30-Day Hassle-Free Return Policy Shipping Fulfilled from CA/NJ (fast domestic shipping) 2. Complete Kit Contents Component Quantity Cylinder Block 1 Aluminum Piston 1 Piston Rings 5 Piston Pin 1 Piston Circlips 2 Cylinder Head Gasket 1 Cylinder Base Gasket 1 3. Key Features & Performance Advantages 🔹 Precision-Machined Components – Restore Engine Performance STD 83mm bore design : Matches the original engine specifications to ensure perfect compression ratio, eliminating power loss caused by worn cylinders or pistons. Aluminum piston : Lightweight yet durable, with excellent heat dissipation to prevent overheating during offroad riding; tight tolerance fit reduces oil consumption and blow-by. High-quality piston rings : Ensure optimal sealing between piston and cylinder, boosting compression and restoring the ATV’s original torque and horsepower. 🔹 Superior Sealing Gaskets – Prevent Leaks Professional-grade head/base gaskets : Deliver exceptional sealing performance to prevent coolant and fuel leakage, avoiding engine overheating and oil contamination. Heat/wear resistance : Gaskets withstand extreme engine temperatures and vibration, ensuring long-term reliability even in harsh offroad conditions. 🔹 Direct Fit Installation – Hassle-Free Rebuild OEM-matching design : No modifications required for compatible models; all components fit factory mounting points and tolerances. Easy assembly : Kit includes all critical top-end parts – no extra components needed for a standard rebuild (professional installation recommended for best results). Cost-effective solution : Replaces multiple individual parts at a fraction of dealer prices, ideal for DIY rebuilds or professional ATV repair shops. 4. Important Installation & Purchase Notes Fit Verification : Confirm your ATV’s model, year, and OEM part number match the listed specifications before purchasing; compare product photos to your old components for accuracy. Installation Tip : Professional engine rebuilding experience is recommended – ensure all surfaces are clean and free of debris before installing gaskets; follow torque specs for cylinder head bolts to avoid warping. Break-In Recommendation : After rebuild, run the engine at low RPM for the first 100 miles (no heavy load) to seat piston rings and ensure proper component wear. Support & Feedback : If you encounter fitment, quality, or performance issues, contact us first – we resolve concerns promptly with replacements or solutions per the 90-day warranty.
Part arrived very early just not for my truck but I don't believe that's their fault I have a custom motor so mine was a little bit different no big deal it seems to be a high quality part I told him I needed to return it just because it was not for my truck and there was no issue at all highly recommended seller
the parts were fine but the box look like it had been through the war , you need to get a tufter box to ship in the parts were just about hanging out the box . it was torn open on two sides .
The quality of the item from this seller was great, especially for the value on the price. The item is in great condition upon arrival and appeared as shown in the listing. Great Seller A+
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