Cylinder Works 95mm High Compression Kit – YFZ450R/X
Cylinder Works 95mm High Compression Cylinder Kit – Yamaha YFZ450R / YFZ450X (450cc)
🛠️ Boost your YFZ450R or YFZ450X’s performance with this 95mm High Compression Cylinder Kit from Cylinder Works. With a 13.5:1 compression ratio, this kit delivers increased throttle response and low-end torque — perfect for riders who want more snap without needing to bore out the cylinder.
✅ What’s Included
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95.00mm Nickel-Silicon Carbide Plated Cylinder
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Vertex High Compression Piston Kit (piston, rings, wrist pin, clips)
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Complete Top-End Gasket Kit
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Direct bolt-on — no machining or cylinder exchange required
📦 Fitment
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Yamaha YFZ450R (2009–2023)
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Yamaha YFZ450R SE (2009–2023)
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Yamaha YFZ450X (2010–2011)
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Yamaha YFZ450X Bill Ballance Edition (2010)
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Yamaha YFZ450 (2017)
🛡️ Warranty Info
Covered under Cylinder Works’ limited warranty. Warranty applies to manufacturing defects and workmanship. Does not cover racing damage, overheating, or improper installation.
🔑 Key Features
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13.5:1 compression ratio for improved power and responsiveness
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Nickel-Silicon Carbide-plated cylinder for reduced wear
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Designed to look and install like OEM
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Vertex forged piston for high-performance use
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Made in the USA
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No re-plating or case modifications needed
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.