Yamaha YZ250 (1999–2025) Standard Bore Cylinder Head – Cylinder Works
Yamaha YZ250 (1999–2025) Standard Bore Cylinder Head – Cylinder Works Description Unleash peak 2-stroke fury on your 1999–2025 Yamaha YZ250 with the Cylinder Works CH2001-K01 Standard Bore Cylinder Head — the USA-made, race-ready bolt-on upgrade. Featuring a competition valve job, shortened guides for high-lift cams, unshrouded combustion chamber, and blended bowl-to-port flow — this head delivers explosive throttle response, max airflow, and stock-shaped reliability. Valves, springs, and lifters not included. Built to dominate.
Key Features
- Standard bore fit — direct drop-in for 1999–2025 YZ250
- Competition valve job — precision angles for ultimate flow
- Shortened valve guides — supports high-lift cams without clearance issues
- Unshrouded chamber + blended ports — maximum power, no restrictions
- Made in the U.S.A. — premium quality, race-proven performance
Fitment Fits the following models and years:
- 1999–2025 Yamaha YZ250
Warranty Info Backed by Cylinder Works limited warranty. Professional installation recommended. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Price & SKU Retail Price: $243.95 SKU: 0930-0130 / CH2001-K01 Estimated Shipping Weight: 1.05 lbs Handling Time: Ships next business day
📦 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.
