Cylinder Works 95mm Standard Bore Kit β YFZ450R / YFZ450X 450cc (2009-2023)
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Cylinder Works 95mm Standard Bore Cylinder Kit β Yamaha YFZ450R / YFZ450X (450cc)
π οΈ 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.
β Whatβs Included
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95.00mm Cylinder (Nickel-Silicon Carbide plated)
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Vertex Forged Piston Kit (piston, rings, wrist pin, and clips)
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Complete Top-End Gasket Kit
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Direct bolt-on installation β no machining or replating required
π¦ Fitment
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Yamaha YFZ450R (2009β2023)
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Yamaha YFZ450R SE (2009β2023)
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Yamaha YFZ450X (2010β2011)
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Yamaha YFZ450X Bill Ballance Edition (2010)
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Yamaha YFZ450 (2017)
π‘οΈ Warranty Info
Backed by Cylinder Worksβ limited warranty covering defects in materials or workmanship. Warranty does not cover misuse, overheating, or racing damage.
π Key Features
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OEM-matching 95.00mm standard bore (450cc)
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12.0:1 compression ratio for crisp power and throttle response
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Nickel-Silicon Carbide cylinder coating ensures durability
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Vertex piston for optimal performance and reliability
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Made in the USA β no replating or cylinder exchange required
π¦ Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: MondayβThursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2β4 weeks
- EVP exhaust systems: 2β4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact usβwe respond within 24 hours.