The Hot Cams Titanium Exhaust Valve, manufacturer part number 8400036-1, is a precision-engineered replacement valve for select Yamaha four-stroke motocross and off-road motorcycles. Constructed from forged titanium and precision machined, this exhaust valve is designed to provide dependable performance in demanding engine applications while maintaining compatibility with original equipment components.
Engineered to meet or exceed OEM specifications and standards, the Hot Cams 8400036-1 valve is compatible with OEM keepers and retainers for a straightforward installation using the appropriate original equipment valvetrain hardware. It is intended for riders, technicians, and engine builders seeking a reliable replacement component for maintenance, repair, or performance-focused engine work.
Fitment includes the 2014–2017 Yamaha YZ250F, 2015–2017 Yamaha YZ250FX, and 2015–2017 Yamaha WR250F. Verify the motorcycle model, model year, and existing valvetrain components before installation to confirm proper application. The Hot Cams brand and manufacturer part number 8400036-1 provide a dependable reference for selecting the correct titanium exhaust valve for these compatible Yamaha engines.
Features:
- Forged titanium construction for strength and durability
- Precision machined for accurate fit and dependable valve-train operation
- Compatible with OEM keepers and retainers
- Designed and manufactured to meet or exceed OEM specifications and standards
- Fits 2014–2017 Yamaha YZ250F, 2015–2017 Yamaha YZ250FX, and 2015–2017 Yamaha WR250F
Fitment:
2014 Yamaha WR250F
2014 Yamaha YZ250F
2015 Yamaha WR250F
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2016 Yamaha WR250F
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2017 Yamaha WR250F
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2018 Yamaha WR250F
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2019 Yamaha WR250F
2019 Yamaha YZ250F
2019 Yamaha YZ250FX
2020 Yamaha WR250F
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2021 Yamaha WR250F
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2025 Yamaha YZ250F
2025 Yamaha YZ250FX