Genuine Yamaha Warrior 350 Big Bear Raptor 350 Cylinder Jug Namura Piston

Genuine Yamaha Warrior 350 / Big Bear 350 / Raptor 350 Cylinder Jug with Namura Piston Kit – Complete Top-End Rebuild Solution

Looking to bring your Yamaha ATV back to life? Whether you’re restoring an old machine or maintaining your current ride, this Genuine Yamaha Cylinder Jug with a high-performance Namura Piston Kit is the perfect choice for a reliable, long-lasting top-end rebuild. Designed to fit Yamaha Warrior 350, Big Bear 350, and Raptor 350 models across all production years, this kit combines OEM-level fit and finish with the advanced technology and performance of Namura’s aftermarket engineering.

This complete top-end solution provides everything you need to replace or upgrade your worn-out cylinder and piston components. The cylinder jug is precision-machined to factory specs, ensuring a perfect fit with no modifications required. The Namura piston features MOS2 (molybdenum disulfide) coating on the skirts, reducing friction, improving heat resistance, and extending engine life — ideal for riders who demand durability, performance, and reliability on the trail or track.

✅ What’s Included:

• Genuine Yamaha Cylinder Jug (OEM replacement, standard bore unless otherwise noted)

• Namura Forged or Cast Piston (based on selected application)

• Piston Rings

• Wrist Pin

• Circlips

🔩 Key Features & Benefits:

• ✔️ Fits all years of Yamaha Warrior 350, Big Bear 350, and Raptor 350

• ✔️ OEM-quality cylinder ensures precise tolerances and proper fitment

• ✔️ Namura piston kit delivers superior performance at an affordable price

• ✔️ MOS2-coated piston skirts reduce engine friction and increase longevity

• ✔️ High-strength construction designed for aggressive riding or everyday use

• ✔️ Improves compression and combustion efficiency for better throttle response

• ✔️ Great for full engine rebuilds, performance upgrades, or maintenance

• ✔️ Easy installation – drop-in ready for stock configurations

Whether you’re tackling tough terrain, cruising trails, or racing, this Yamaha 350 top-end rebuild kit gives you the confidence and power you need. It’s trusted by DIY mechanics and professional builders alike for restoring engine power and extending the life of their ATVs. Don’t settle for low-quality knockoffs — choose Genuine Yamaha parts and Namura performance for a rebuild that lasts.

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