Yamaha YZ250 (1999-2025) Standard Bore Cylinder Head - Cylinder Works
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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.
✓ Fits:
- 1999-2025 Yamaha YZ250
✓ 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
✓ What's Included:
- (1) Yamaha YZ250 (1999-2025) Standard Bore Cylinder Head - Cylinder Works
Note: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
