Yamaha WR 250 F Exhaust Camshaft - Hot Cams - Stage 1 - `15-`17 is a direct-fit performance camshaft designed for the 2015–2017 WR250F. This Stage 1 cam offers an accessible, race-proven upgrade to improve midrange and top-end response without major valvetrain changes.

Designed and dyno-proven in the USA using modern valvetrain software, this Hot Cams Stage 1 exhaust camshaft delivers reliable gains with straightforward installation. CNC-machined from 8620 billet, case-hardened steel, it provides precise lobe profiles and long-term durability. Expect an economical 5–10% power improvement in many applications, making it a practical choice for riders seeking noticeable performance increases without extensive engine modification. This unit requires no core exchange.

Features

• CNC-machined 8620 billet, case-hardened steel construction
• Dyno-proven development in the USA using valvetrain software
• Stage 1 tuning for improved midrange/top-end power (estimated 5–10%)
• Direct fit for 2015–2017 Yamaha WR250F; no core exchange required

If you have questions or need help confirming fitment, call us directly — we’re happy to advise. We operate two installation and customization shops in Austin, Texas and the Los Angeles, California area where we can install this camshaft or perform additional tuning. Call 512-982-9393 (TX) or 562-981-6800 (CA) for details or to schedule service. If you’re considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov