Improve front-end balance, handling, and suspension predictability with the Race Tech Fork Spring 0.42 kg/mm. Designed for sport and off-road motorcycle suspension applications, this high-performance spring helps provide a more controlled ride for riders who need accurate, consistent fork support. Race Tech part number FRSP 444542 is engineered for proper spring-rate selection, an important step in optimizing suspension performance and overall chassis balance.
Manufactured from premium chrome silicon wire, this fork spring offers a high stiffness-to-mass ratio for responsive suspension action without unnecessary weight. Each spring is shot-peened and heat-treated to promote long-term durability and resistance to fatigue. Its accurate rate and resistance to sagging help maintain consistent performance during demanding riding conditions, allowing the fork to respond predictably over braking zones, bumps, and uneven terrain.
This Race Tech fork spring fits 2006–2015 Yamaha YZ125 motorcycles. It is a suitable replacement or suspension upgrade for riders seeking improved support and more dependable front-end behavior. Verify the required spring rate and motorcycle application before installation to ensure proper suspension setup. Manufacturer: Race Tech. Vendor part number: FRSP 444542.
Features:
- Spring rate: 0.42 kg/mm for controlled fork support and improved handling
- Material: Chrome silicon wire for strength and responsive suspension performance
- Construction: Shot-peened and heat-treated for enhanced durability
- Performance: High stiffness-to-mass ratio helps deliver predictable fork action
- Consistency: Accurate spring rate with resistance to sagging over time
- Fitment: 2006–2015 Yamaha YZ125
Fitment:
2006 Yamaha YZ125
2006 Yamaha YZ250
2006 Yamaha YZ250F
2006 Yamaha YZ450F
2007 KTM 250 SX
2007 KTM 250 SX-F
2007 KTM 450 SX-F
2007 Yamaha YZ125
2007 Yamaha YZ250
2007 Yamaha YZ250F
2007 Yamaha YZ450F
2008 Yamaha YZ125
2008 Yamaha YZ250
2008 Yamaha YZ250F
2008 Yamaha YZ450F
2009 Yamaha YZ125
2009 Yamaha YZ250
2009 Yamaha YZ250F
2009 Yamaha YZ450F
2010 Yamaha YZ125
2010 Yamaha YZ250
2010 Yamaha YZ250F
2011 Yamaha YZ125
2011 Yamaha YZ250
2011 Yamaha YZ250F
2012 Yamaha WR450F
2012 Yamaha YZ125
2012 Yamaha YZ250
2012 Yamaha YZ250F
2013 Yamaha WR450F
2013 Yamaha YZ125
2013 Yamaha YZ250
2013 Yamaha YZ250F
2014 Yamaha WR450F
2014 Yamaha YZ125
2014 Yamaha YZ250
2015 Yamaha WR450F
2015 Yamaha YZ125
2015 Yamaha YZ250
2016 Yamaha WR450F
2016 Yamaha YZ125
2016 Yamaha YZ250
2017 Yamaha YZ125
2017 Yamaha YZ250
2017 Yamaha YZ250X
2018 Yamaha YZ125
2018 Yamaha YZ250
2018 Yamaha YZ250X
2019 Sherco 125 SC Cross Country
2019 Sherco 125 SE-R Factory
2019 Sherco 125 SE-R Racing
2019 Sherco 250 SC Cross Country
2019 Sherco 250 SC-F Cross Country
2019 Sherco 250 SE-R Factory
2019 Sherco 250 SE-R Racing
2019 Sherco 250 SEF-R Factory
2019 Sherco 300 SC Cross Country
2019 Sherco 300 SC-F Cross Country
2019 Sherco 300 SE-R Factory
2019 Sherco 300 SEF-R Factory
2019 Sherco 450 SC-F Cross Country
2019 Sherco 450 SEF-R Factory
2019 Sherco 500 SC-F Cross Country
2019 Sherco 500 SEF-R Factory
2019 Yamaha YZ125
2019 Yamaha YZ250
2019 Yamaha YZ250X
2020 Beta 125 RR (RE)
2020 Beta 250 RR (RE)
2020 Beta 300 RR (RE)
2020 Beta 350 RR (RE)
2020 Beta 390 RR (RE)
2020 Beta 430 RR (RE)
2020 Beta 480 RR (RE)
2020 Sherco 125 SC Cross Country
2020 Sherco 125 SE-R Factory
2020 Sherco 125 SE-R Racing
2020 Sherco 250 SC Cross Country
2020 Sherco 250 SC-F Cross Country
2020 Sherco 250 SE-R Factory
2020 Sherco 250 SE-R Racing
2020 Sherco 250 SEF-R Factory
2020 Sherco 300 SC Cross Country
2020 Sherco 300 SC-F Cross Country
2020 Sherco 300 SE-R Factory
2020 Sherco 300 SEF-R Factory
2020 Sherco 450 SC-F Cross Country
2020 Sherco 450 SEF-R Factory
2020 Sherco 500 SC-F Cross Country
2020 Sherco 500 SEF-R Factory
2020 Yamaha YZ125
2020 Yamaha YZ125X
2020 Yamaha YZ250
2020 Yamaha YZ250X
2021 Beta 125 RR (RE)
2021 Beta 250 RR (RE)
2021 Beta 300 RR (RE)
2021 Beta 350 RR (RE)
2021 Beta 390 RR (RE)
2021 Beta 430 RR (RE)
2021 Beta 480 RR (RE)
2021 Sherco 125 SE-R Factory
2021 Sherco 125 SE-R Racing
2021 Sherco 250 SE-R Factory
2021 Sherco 250 SE-R Racing
2021 Sherco 250 SEF-R Factory
2021 Sherco 450 SEF-R Factory
2021 Sherco 500 SEF-R Factory
2021 Yamaha YZ125
2021 Yamaha YZ125X
2021 Yamaha YZ250
2021 Yamaha YZ250X
2022 Beta 125 RR (RE)
2022 Beta 200 RR (RE)
2022 Beta 250 RR (RE)
2022 Beta 300 RR (RE)
2022 Beta 350 RR (RE)
2022 Beta 390 RR (RE)
2022 Beta 430 RR (RE)
2022 Beta 480 RR (RE)
2022 Sherco 125 SE-R Factory
2022 Sherco 250 SE-R Factory
2022 Sherco 250 SE-R Racing
2022 Sherco 250 SEF-R Factory
2022 Sherco 450 SEF-R Factory
2022 Sherco 500 SEF-R Factory
2023 Sherco 125 SE-R Factory
2023 Sherco 250 SE-R Factory
2023 Sherco 250 SEF-R Factory
2023 Sherco 450 SEF-R Factory
2023 Sherco 500 SEF-R Factory