The VForce4 is built upon the solid foundation that made the VForce3 reed valve system such a success for over fifteen years. While the VForce3 has been continually refined over the years (including the latest VForce3R models), this is a complete redesign of the entire system. We jokingly say, "The only thing we didn't change is the bolt pattern." However this is actually quite true.
All the components that go into making a VForce reed valve system have been significantly changed since the VForce3. The reed cage design now incorporates an airfoil shape at the reed tip area to increase air velocity from the outer ports. We use an all-new reed petal resin system, carbon fiber and lay-up on our new pre-curved reed petals. The benefit of the pre-curved reed petal is better sealing at the tip area.
The VForce4 also features longer reed stops to progressively slow petal tip velocity, for increased petal durability. The combined reed tip area has been increased by over 10% resulting in increased total airflow. Finally, we reduced frontal area of central wing by 15.6% combined with a more aerodynamic shape.
The all-new VForce4R models incorporate a rubber overmodling on the reed surface to drastically increase reed petal life, while also creating a superior sealing surface.
(V4R26H)
- KTM 300XC 2017
- KTM 300XC 2018
- KTM 300XC 2019
- KTM 125EXC/XC-W 2017
- KTM 125EXC/XC-W 2018
- KTM 125SX 2016
- KTM 125SX 2017
- KTM 125SX 2018
- KTM 125SX 2019
- KTM 150SX 2016
- KTM 150SX 2017
- KTM 150SX 2018
- KTM 150SX 2019
- KTM 150XC/XC-W 2017
- KTM 150XC/XC-W 2018
- KTM 150XC/XC-W 2019
- KTM 250EXC 2017
- KTM 250EXC 2018
- KTM 250SX 2017
- KTM 250SX 2018
- KTM 250SX 2019
- KTM 300EXC 2017
- KTM 300EXC 2018
- KTM 300EXC 2019
- Husqvarna TE300 2017
- Husqvarna TE300 2018
- Husqvarna TE300 2019
- Husqvarna TC125 2016
- Husqvarna TC125 2017
- Husqvarna TC125 2018
- Husqvarna TC125 2019
- Husqvarna TX300 2017
- Husqvarna TX300 2018
- Husqvarna TX300 2019
- Husqvarna TE250 2017
- Husqvarna TE250 2018
- Husqvarna TC250 2017
- Husqvarna TC250 2018
- Husqvarna TC250 2019
- KTM 300EXC 2020
- KTM 125SX 2020
- KTM 150SX 2020
- KTM 250SX 2020
- Husqvarna TX300 2020
- Husqvarna TX300 2021
- Husqvarna TE150 2018
- Husqvarna TE150 2019
- Husqvarna TE150 2020
- Husqvarna TE150 2021
- Husqvarna TE150 2017
- Husqvarna TX125 2017
- Husqvarna TX125 2018
- Husqvarna TX125 2019
- Husqvarna TC125 2020
- Husqvarna TC125 2021
- Husqvarna TC250 2020
- Husqvarna TC250 2021
- Husqvarna TE300 2020
- Husqvarna TE300 2021
- KTM 125SX 2021
- KTM 150SX 2021
- KTM 250SX 2021
- KTM 300EXC 2021
- KTM 300XC 2020
- KTM 300XC 2021
- KTM 125SX 2022
- KTM 150SX 2022
- KTM 250SX 2022
- GasGas EC250 2021
- GasGas EC300 2021
- KTM 300EXC 2022
- KTM 300XC 2022
- Husqvarna TC125 2022
- Husqvarna TC250 2022
- Husqvarna TE150 2022
- Husqvarna TE300 2022
- Husqvarna TX300 2022
- KTM 250EXC TPI 2018
- KTM 250EXC TPI 2019
- KTM 250EXC TPI 2020
- KTM 250EXC TPI 2021
- KTM 250EXC TPI 2022
- KTM 250XC TPI 2020
- KTM 250XC TPI 2021
- KTM 250XC TPI 2022
- GasGas EC250 2022
- GasGas EC300 2022
- GasGas EC300 2023
- GasGas EC250 2023
- Husqvarna TE250i 2018
- Husqvarna TE250i 2019
- Husqvarna TE250i 2020
- Husqvarna TE250i 2021
- Husqvarna TE250i 2022
- GasGas EX250 2022
- GasGas EX250 2023
- GasGas EX300 2022
- GasGas EX300 2023
- KTM 250EXC TPI 2023
- KTM 300EXC 2023
- Husqvarna TC125 2023
- Husqvarna TC125 2024
- Husqvarna TC250 2023
- Husqvarna TC250 2024
- Husqvarna TE150 2023
- Husqvarna TE250i 2023
- Husqvarna TE300 2023
- Husqvarna TX300 2023
- KTM 125SX 2023
- KTM 125SX 2024
- KTM 250SX 2023
- KTM 250SX 2024
- Husqvarna TX300 2024
- GasGas EC250 2024
- GasGas EC300 2024
- GasGas EX250 2024
- GasGas EX300 2024
- Husqvarna TE150 2024
- GasGas MC125 2021
- GasGas MC125 2022
- GasGas MC125 2023
- GasGas MC250 2022
- GasGas MC250 2023
- GasGas MC125 2024
- GasGas MC250 2024
SKU | V4R26H |
Brand | Moto Tassinari |
Be The First To Review This Product!
Help other MotoXparts users shop smarter by writing reviews for products you have purchased.