The Race Tech Shock Spring 6.6 kg/mm is a precision high-performance suspension spring designed to provide consistent support and dependable performance for select Yamaha off-road motorcycles. Race Tech manufactures its springs with a high stiffness-to-mass ratio, delivering a lightweight design for the specified spring rate without compromising strength or durability. The spring is engineered for riders seeking improved suspension tuning and controlled shock performance.
Fitment: This Race Tech shock spring fits the 2015, 2016, 2017, 2018, and 2019 Yamaha YZ250FX; the 2016, 2017, and 2018 Yamaha YZ450FX; the 2005 Yamaha YZ450F; and the 2024 Yamaha YZ450FX. Verify motorcycle year, model, suspension specifications, and required spring rate before installation. Race Tech recommends using its spring-rate guidance to determine the correct rate for rider weight, riding style, and application.
Manufactured using carefully selected materials and controlled processing, the SRSP 652866 spring is intended for suspension systems that require reliable rate consistency and precise tuning. It is a suitable replacement or upgrade for compatible Yamaha applications and is designed to work with the motorcycle’s existing shock assembly when the correct spring rate and fitment are confirmed.
Features:
- Spring Rate: 6.6 kg/mm for targeted shock suspension tuning
- Performance Design: High stiffness-to-mass ratio provides a lightweight spring for its specified rate
- Construction: Manufactured from high-quality materials using precision processing
- Fitment: Compatible with select Yamaha YZ250FX, YZ450FX, and YZ450F models
- Manufacturer: Race Tech
- Vendor Part Number: SRSP 652866
Fitment:
2005 Yamaha YZ450F
2015 Yamaha YZ250FX
2016 Yamaha YZ250FX
2016 Yamaha YZ450FX
2017 Yamaha YZ250FX
2017 Yamaha YZ450FX
2018 Yamaha YZ250FX
2018 Yamaha YZ450FX
2019 Yamaha YZ250FX
2024 Yamaha YZ450FX