Cylinder Works 95mm Standard Bore Cylinder Kit – Yamaha YFZ450R / YFZ450X (450cc)

🛠️ Refresh your YFZ450R or YFZ450X with this ready-to-install 95mm Standard Bore Cylinder Kit from Cylinder Works. Designed to bolt on without machining or replating, this complete top-end rebuild kit brings back OEM power with the strength and longevity of a Nickel-Silicon Carbide-plated cylinder and Vertex forged piston.

✅ What’s Included

• 95.00mm Cylinder (Nickel-Silicon Carbide plated)

• Vertex Forged Piston Kit (piston, rings, wrist pin, and clips)

• Complete Top-End Gasket Kit

• Direct bolt-on installation — no machining or replating required

📦 Fitment

• Yamaha YFZ450R (2009–2023)

• Yamaha YFZ450R SE (2009–2023)

• Yamaha YFZ450X (2010–2011)

• Yamaha YFZ450X Bill Ballance Edition (2010)

• Yamaha YFZ450 (2017)

🛡️ Warranty Info
Backed by Cylinder Works’ limited warranty covering defects in materials or workmanship. Warranty does not cover misuse, overheating, or racing damage.

🔑 Key Features

• OEM-matching 95.00mm standard bore (450cc)

• 12.0:1 compression ratio for crisp power and throttle response

• Nickel-Silicon Carbide cylinder coating ensures durability

• Vertex piston for optimal performance and reliability

• Made in the USA — no replating or cylinder exchange required