1999-2025 Yamaha YZ250 72mm Big Bore Cylinder Head Cometic Top Gasket Kit BPRATV
Upgrade Yamaha YZ250 with 72mm big bore cylinder head and Cometic gasket kit for improved performance reliability and sealing from 1999-2025 models.
BPRATV Yamaha YZ250 72mm Big Bore Cylinder Head & Cometic Top End Kit 1999-2025
📖 Product Description
Upgrade your engine performance with the BPRATV Yamaha YZ250 72mm Big Bore Cylinder Head Kit paired with a premium Cometic Top End Gasket Kit. Designed specifically for big bore applications, this high-performance cylinder head delivers improved combustion efficiency, stronger throttle response, and increased power output for your YZ250 two-stroke engine.
Built to work with 72mm big bore cylinders, this kit is compatible with OEM plated cylinders as well as top aftermarket brands like Cylinder Works, Forward Motion, Magnum, and Bronco. Whether you're rebuilding or upgrading your engine, this complete top-end solution ensures reliable sealing, durability, and race-ready performance.
🔥 Key Features & Benefits
- 72mm big bore cylinder head engineered for increased power and compression
- Includes Cometic MLS head gasket for superior sealing under high performance conditions
- Compatible with OEM and aftermarket big bore cylinders
- Improved combustion efficiency for better throttle response and torque
- Direct replacement for multiple Yamaha OEM cylinder head part numbers
- 1 Year warranty for added confidence and reliability
📦 Product Contents
- BPRATV 72mm Big Bore Yamaha YZ250 Cylinder Head (1)
- Cometic 72mm Complete Top End Gasket Kit
- MLS (Multi-Layer Steel) Head Gasket
✅ Compatibility
- Yamaha YZ250 2-Stroke (1999–2025)
- Fits all 72mm Big Bore Cylinders
- Compatible with OEM plated cylinders
- Compatible with Cylinder Works, Forward Motion, Magnum, Bronco
- Replaces OEM part numbers: 5MW-11111-02-00, 5MW-11111-00-00, 5CU-11111-00-00, 5UP-11111-00-00
*Important Note: Cylinder, studs, and nuts shown in photos are NOT included in this kit. Images are provided to showcase the high-quality BPRATV cylinder head you will receive. Please check our other listings if you would like to bundle these components with your purchase. 😀
❓ FAQ
- Q: Does this kit include the cylinder?
A: No. This kit includes the cylinder head and gasket kit only. Cylinder, studs, and nuts are not included.
- Q: Is this compatible with aftermarket big bore kits?
A: Yes. It works with most aftermarket 72mm big bore cylinders including Cylinder Works, Forward Motion, and others.
- Q: What type of head gasket is included?
A: A high-performance Cometic MLS (Multi-Layer Steel) head gasket is included for superior sealing.
- Q: Is this a direct replacement for OEM parts?
A: Yes. This cylinder head replaces multiple Yamaha OEM part numbers and fits directly on compatible engines.
🌟 Why Buy from BPRATV
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. We specialize in high-performance powersports components trusted by riders and builders who demand reliability and results. Every part is carefully selected for precision, durability, and real-world performance. Trust BPRATV to keep your Yamaha YZ250 two-stroke running at its best, every single time.
Upgrade your YZ250 big bore performance with BPRATV precision engineering — order today!
BPRATV - The Best Parts. The Best Performance. The Best Price.
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© BPRATV LLC
Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.
This product is exempt from the emission standards and related requirements of 40 C.F.R. §1051 as provided by 40 C.F.R. §1051.620, and California law. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing.
