Yamaha YFZ450R '09-25 98mm Cylinder Works CP Carrillo Piston Top End Rebuild Kit
Yamaha YFZ450R '09-25 98mm Cylinder Works CP Carrillo Piston Top End Rebuild Kit
20003, 20003-K01, M1000, 4865M09500, C7908, 71014-5, CR8EIX, 20003, M1006, C7908, 71014-5, 2S2-11181-00-00, 3VD-14613-01-00, 2S2-11181-00-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11631-21-00, 2S2-11181-00-00, 93450-22027-00, 2S2-11181-00-00, 2S2-11351-00-00, 4FM-12213-00-00, 94591-57120-00, 2S2-11311-30-00, 4FM-12213-00, 2S2-11311-30-00
🔥 Yamaha YFZ450R YFZ450X 98mm Cylinder Works + CP Carrillo Top End Kit 🔥
💥 Unleash Amazing Power & Reliability
Upgrade your Yamaha YFZ450R or YFZ450X Fuel Injected model with this complete 98mm Big Bore Top End Rebuild Kit. Featuring a Cylinder Works Nikasil Plated Cylinder, CP Carrillo 12.5:1 Forged Piston Kit, and Cometic MLS Gasket Kit, this package is engineered to deliver explosive power, precise throttle response, and long-term durability. Perfect for riders seeking proven performance backed by premium components.
⚡ Premium Components – Built for Performance
This all-in-one kit is designed for maximum strength and reliability. Each component is precision engineered in the USA and tested to meet the highest performance standards.
- Cylinder Works 98mm Big Bore Nikasil Cylinder – superior cooling, durability, and 1-year warranty.
- CP Carrillo 12.5:1 Forged Piston Kit – piston, rings, wrist pin & clips included.
- Cometic MLS Top End Gasket Kit – ensures a leak-free, reliable seal.
- Forged aluminum construction – CNC machined & rigorously tested for precision.
- Proudly Made in the USA – backed by manufacturer warranties.
✅ Perfect Fit & Seamless Installation
This rebuild kit is a direct bolt-on upgrade designed to replace Yamaha OEM part numbers 2S2-11311-30-00, 5TG-11631-12-00, 5TG-11631-11-00, 2S2-11181-00-00. No machining required – install with confidence and get back on the trail or track with stronger performance than ever.
- Fits YFZ450R (2009–2025, including SE models).
- Fits YFZ450X (2010–2011, including Bill Balance Edition).
- Does NOT fit carburetor models.
- Direct OEM replacement – no modifications required.
- Backed by a 1-Year Warranty for peace of mind.
❓ Frequently Asked Questions (FAQ)
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Q: What makes this a complete top end rebuild kit?
It includes everything: Cylinder Works 98mm Cylinder, CP Carrillo 12.5:1 Forged Piston Kit, and Cometic MLS Gasket Kit.
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Q: Does this require machining?
No – this is a direct bolt-on big bore Nikasil cylinder kit. No machining is required.
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Q: Is the piston pump gas friendly?
Yes – the CP Carrillo 12.5:1 piston is designed for pump gas or race gas, making it both powerful and convenient.
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Q: What models does this fit?
YFZ450R (2009–2025, including SE), YFZ450X (2010–2011, including Bill Balance Edition). Not for carb models.
🌟 Why Buy from BPRATV? Your YFZ450 Performance Experts! 🌟
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. This YFZ450R Top End Rebuild Kit reflects our dedication to providing riders with premium components that ensure maximum durability, horsepower, and reliability. Trust BPRATV to deliver the exact parts you need to keep your YFZ450 running stronger, faster, and better – every time you ride.
Upgrade your YFZ450R/X today – power, performance, and precision await! 🏁
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
© BPRATV LLC
20003, 20003-K01, M1000, 4865M09500, C7908, 71014-5, CR8EIX, 20003, M1006, C7908, 71014-5, 2S2-11181-00-00, 3VD-14613-01-00, 2S2-11181-00-00, 5TG-11631-12-00, 5TG-11633-10-00, 5TG-11631-21-00, 2S2-11181-00-00, 93450-22027-00, 2S2-11181-00-00, 2S2-11351-00-00, 4FM-12213-00-00, 94591-57120-00, 2S2-11311-30-00, 4FM-12213-00, 2S2-11311-30-00, YFZ450R big bore kit YFZ450X rebuild kit Cylinder Works YFZ450 kit CP Carrillo piston YFZ450 98mm YFZ450R top end YFZ450R FI piston kit YFZ450X big bore piston Cometic gasket YFZ450 YFZ450R cylinder piston kit Yamaha YFZ450 top end rebuild High compression YFZ450 piston Made in USA YFZ450 kit
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NOTICE REGARDING PHOTOS: Product photos used in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.
BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.
EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.
WARRANTY & LIABILITY: © BPRATV LLC 1-year limited warranty from manufacturer for material/workmanship defects.* Due to the nature of high performance and racing, components are sold without express/implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not be liable for specific, incidental, or consequential damages (loss of property, equipment, profits, or revenue) resulting from sale, installation, or use of these parts. This product is NOT DIY; we strongly recommend work be done by a qualified, experienced mechanic.
RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.
SPECIALTY WARRANTIES: Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.
INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.
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