4865M09500,4835M09500,M1000,M1100,284685,8784DA,5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00, 93450-22027-00,3741XS, S641, CW20

YFZ450 YFZ450R Wiseco STD Bore 95mm Top End Piston Kit Forged USA

Rebuild for Domination: Unleash True Power in Your Yamaha YFZ450!

Is your Yamaha YFZ450, YFZ450R, or YFZ450X craving a performance boost? A fresh top end rebuild with a premium piston is key to restoring lost compression and unleashing maximum power! This Wiseco Forged Piston Kit (Part# 4865M09500) is meticulously engineered for the ultimate combination of strength and performance, standing at the forefront of powersports technology. Don’t settle for less; empower your ATV with a piston designed for rigorous demands, ensuring every ride is packed with responsiveness and reliability. Riders trust Wiseco for its proven track record at every level of competition. Upgrade today and experience the dramatic difference in your YFZ450’s power and durability!

Unrivaled Strength: Forged 2618 Material & Skirt Coated for Longevity!

Experience the legendary durability of Wiseco’s 4-Stroke Forged Series Piston Kit. Crafted from high-grade 2618 piston material, this piston features improved tensile strength, optimizing both strength and service life under extreme conditions. The dedicated forging allows for an optimized strength-to-weight ratio, crucial for high-revving 4-stroke engines. Each piston is designed for specific engine applications and built to the tightest tolerances, featuring a specialized skirt coating to reduce friction and improve wear properties. This kit includes everything you need for a robust rebuild: the piston, Ring Set (#3741XS), Wrist Pin (#S641), and Circlips (#CW20). Engineered, forged, and machined right here in the USA (Mentor, OH), Wiseco delivers the power and reliability you demand!

• Wiseco Forged 4-Stroke Series Piston Kit (95.00mm Bore, STD Oversize).
• Crafted from high-strength 2618 Piston Material.
• Features advanced Skirt Coating for reduced friction and wear.
• Includes Piston, Ring Set #3741XS, Wrist Pin #S641, and Circlips #CW20.
• Engineered, forged, and machined in the USA.

Perfect Fit & Comprehensive Kit: Fits Yamaha YFZ450 / R / X All Years!

This Wiseco STD Bore 95.00mm Top End Piston Kit ensures a precise fit for your Yamaha. It’s compatible with Yamaha YFZ450, YFZ450R, and YFZ450X – All Years & Models! This kit (Wiseco Part# 4865M09500) directly replaces multiple Yamaha OEM Part#: 5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00, 93450-22027-00, ensuring seamless integration into your engine rebuild. While the nominal compression ratio is 11.4:1, please note that actual compression may vary slightly based on your specific model, year, and build type. For precise calculations, we recommend utilizing the compression calculator available on Wiseco’s official website. This comprehensive kit provides all key components for a reliable and powerful top end rebuild!

• Fits Yamaha YFZ450, YFZ450R, YFZ450X – All Years & Models!
• Wiseco Part# 4865M09500. GTIN: 193564126078.
• Directly replaces Yamaha OEM Part# 5TG-11631-11-00 and others.
• Nominal Compression Ratio: 11.4:1.
• Piston Diameter: 94.94 MM, Bore Diameter: 95.00 MM.

Frequently Asked Questions (FAQ)

• Q: Why should I choose a Wiseco forged piston for my YFZ450?

  A: Wiseco forged pistons are engineered from high-strength 2618 aluminum, offering superior durability, strength, and service life compared to cast pistons. Their dedicated forging process allows for an optimized strength-to-weight ratio, making them ideal for high-performance 4-stroke engines.

• Q: Is this piston kit compatible with all Yamaha YFZ450 models and years?

  A: Yes, this Wiseco piston kit (Part# 4865M09500) is designed to fit all years and models of the Yamaha YFZ450, YFZ450R, and YFZ450X, making it a versatile choice for your rebuild.

• Q: What is included in this Wiseco Top End Piston Kit?

  A: The kit includes the Wiseco forged piston, a high-quality ring set (#3741XS), wrist pin (#S641), and circlips (#CW20), providing all necessary components for a comprehensive piston replacement.

Why Choose ? Your Go-To for Yamaha YFZ450 Performance Parts!

At , our promise is unwavering: The Best Parts. The Best Performance. The Best Price. This Wiseco Forged Piston Kit for your Yamaha YFZ450 exemplifies our dedication to providing high-quality, essential components that guarantee your machine’s longevity and peak performance. We share your passion for riding and are committed to ensuring your Yamaha runs flawlessly, whether you’re racing or hitting the trails. Trust to deliver the parts you need to keep your YFZ450 performing its best, every single time.

Upgrade your YFZ450’s heart today & dominate the competition!

– The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

LLC

4865M09500,4835M09500,M1000,M1100,284685,8784DA,5TG-11631-11-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11603-00-00, 93450-22027-00,3741XS, S641, CW20