The Race Tech Fork Spring 0.38 kg/mm, manufacturer part number FRSP 444938 and vendor part number 200-444938, is designed to provide accurate spring rates and improved front-end control for select Yamaha and Suzuki motocross and off-road motorcycles. Proper fork spring selection is essential for balanced handling, predictable suspension response, and improved rider confidence. This spring is suited for riders whose motorcycles require a 0.38 kg/mm rate to better match riding conditions and rider weight.
Manufactured by Race Tech, the spring is made from high-quality chrome silicon wire for a high stiffness-to-mass ratio. It is shot-peened and heat treated to support long-term durability and consistent performance. The accurate rate helps reduce suspension inconsistencies and is designed to resist sacking out over time, making it a dependable replacement or suspension tuning component for performance-focused applications.
Fitment includes the 2014, 2015, 2016, and 2017 Yamaha YZ250F; 2019 Yamaha YZ250F and YZ450F; 2019, 2020, and 2021 Yamaha WR450F; and 2019 Suzuki RM-Z250. Verify the motorcycle model year and required spring rate before installation. This Race Tech fork spring is intended for compatible front fork applications and should be installed according to the motorcycle manufacturer’s service procedures or by a qualified suspension technician.
Features:
- Spring rate: 0.38 kg/mm for suspension tuning and improved handling balance
- High-quality construction for performance motorcycle applications
- Chrome silicon wire provides a high stiffness-to-mass ratio
- Shot-peened and heat treated for improved durability
- Accurate spring rate supports consistent suspension performance
- Designed to resist sacking out during extended use
- Brand: Race Tech
- Manufacturer part number: FRSP 444938
- Vendor part number: 200-444938
- Fitment: 2014-2017 Yamaha YZ250F, 2019 Yamaha YZ250F and YZ450F, 2019-2021 Yamaha WR450F, and 2019 Suzuki RM-Z250
Fitment:
2014 Yamaha YZ250F
2014 Yamaha YZ450F
2015 Yamaha YZ250F
2015 Yamaha YZ450F
2016 Yamaha YZ250F
2016 Yamaha YZ450F
2017 Yamaha YZ250F
2017 Yamaha YZ450F
2018 Yamaha YZ250F
2018 Yamaha YZ450F
2019 Suzuki RM-Z250
2019 Yamaha WR450F
2019 Yamaha YZ250F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Kawasaki KX250F
2020 Suzuki RM-Z250
2020 Yamaha WR450F
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Kawasaki KX250F
2021 Kawasaki KX250X
2021 Suzuki RM-Z250
2021 Yamaha WR450F
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Kawasaki KX250F
2022 Kawasaki KX250X
2022 Kawasaki KX450SR
2022 Suzuki RM-Z250
2022 Yamaha WR450F
2022 Yamaha YZ125
2022 Yamaha YZ125X
2022 Yamaha YZ250
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2022 Yamaha YZ250X
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Beta 125 RR (RE)
2023 Beta 200 RR (RE)
2023 Beta 350 RR (RE)
2023 Beta 390 RR (RE)
2023 Beta 480 RR (RE)
2023 Kawasaki KX250F
2023 Kawasaki KX250X
2023 Suzuki RM-Z250
2023 Yamaha WR450F
2023 Yamaha YZ125
2023 Yamaha YZ125X
2023 Yamaha YZ250
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2023 Yamaha YZ250X
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Kawasaki KX250F
2024 Kawasaki KX250X
2024 Suzuki RM-Z250
2024 Yamaha WR450F
2024 Yamaha YZ125
2024 Yamaha YZ125X
2024 Yamaha YZ250
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2024 Yamaha YZ250X
2024 Yamaha YZ450F
2024 Yamaha YZ450FX