Yamaha YZ 250 FX Exhaust Camshaft - Hot Cams - Stage 1 - `15-`16. This Hot Cams exhaust cam is a direct-fit upgrade for 2015–2016 YZ250FX models, offering a reliable, tested way to improve engine performance without complicated swaps.

Designed and dyno-proven in the USA, this Stage 1 Hot Cams camshaft was developed using advanced valvetrain software to ensure accurate lobe profiles and predictable gains. CNC-machined from 8620 billet case-hardened steel, it provides a precise fit and durability expected from performance hardware. Installation is straightforward and requires no core exchange, making it an economical choice for riders looking for measurable improvement. Hot Cams offers Stage 1, 2 and 3 options for different tuning goals; this listing is the Stage 1 configuration.

Features

• Dyno-proven design developed in the USA
• Estimated 5–10% power gain (engine and setup dependent)
• CNC-machined 8620 billet, case-hardened steel
• Engineered with valvetrain software for precise lobe profiles
• Easy installation and no core exchange required

If you have questions or want help choosing the right stage for your riding style, call us directly — we’re happy to advise. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) | 562-981-6800 (CA). If you're considering multiple items, contact us for potential shipping discounts. We install on premises at both locations.

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