Cylinder Works 98mm Big Bore Cylinder Kit 12.0:1 – Yamaha YFZ450 2004–2013
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✓ Fits:
- 2004-2013 Yamaha YFZ450
✓ Features:
- 98mm Big Bore Cylinder (+3.0mm over)
- Top end gasket kit (excludes valve stem seals)
- Displacement boost with 98mm (+3.0mm) big bore size
- 12.0:1 compression ratio for maximum power on pump or race gas
- Nickel silicon carbide plating for longer life and superior wear resistance
- Forged Vertex piston matched to cylinder for perfect fit & performance
- Bolt-on design – no machining required
✓ What's Included:
- Vertex forged piston kit (rings, wrist pin, circlips)
- What’s Included 98mm Big Bore Cylinder (+3.0mm over) Vertex forged piston kit (rings, wrist pin, cir
Ships fast from DuneGoonShop!
📦 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
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.