Moto Tassinari VForce V4R V4R26H Reed Valve System for KTM and Husqvarna 125-250cc Two-Stroke Models

Moto Tassinari has extracted more power and more performance from our already proven Vforce3 reed valve system design for the 85cc market, by offering the all-new Vforce3i with integrated intake boot (included on CR, RM & YZ models only). the Vforce3i shares many of the same features as it’s legendary big brother, along with these additional unique features

The Moto Tassinari VForce V4R reed valve system is designed to improve intake efficiency, throttle response, and overall two-stroke engine performance. Manufacturer part number V4R26H, also identified by vendor part number V4R26H, delivers a performance-focused replacement for compatible KTM and Husqvarna motorcycles. The system is engineered for select 125cc, 150cc, and 250cc two-stroke applications and is built around Moto Tassinari's proven reed valve technology.

The VForce V4R features a streamlined intake path intended to promote efficient fuel and air distribution into the engine cases. Its reed cage and reed petal design support controlled opening and improved airflow, helping provide consistent engine response across the powerband. The assembly is intended for riders and technicians seeking a direct-fit performance upgrade for compatible motocross applications.

Fitment includes 2019 Husqvarna TC 125, 2019 Husqvarna TC 250, 2019 KTM 125 SX, 2019 KTM 150 SX, and 2019 KTM 250 SX models, as well as 2020 Husqvarna TC 125, 2020 Husqvarna TC 250, 2020 KTM 125 SX, 2020 KTM 150 SX, and 2020 KTM 250 SX models. Verify the motorcycle year, model, engine configuration, and existing intake components before installation. This product is manufactured by Moto Tassinari and supplied under manufacturer and vendor part number V4R26H.

Features:

• Straight Shot: Streamlined intake design promotes a direct airflow path into the engine cases for improved fuel and air distribution.
• Reed Stops: Redesigned reed stops help improve reed petal stability and support controlled opening during engine operation.
• Reed Petals: The shorter reed cage accommodates lighter reed petals to support responsive intake performance.
• Performance Upgrade: Moto Tassinari VForce technology is engineered to improve throttle response and overall two-stroke engine performance.
• Fitment: Designed for select 2019-2020 KTM and Husqvarna 125cc, 150cc, and 250cc two-stroke motocross models.
• Identification: Manufacturer and vendor part number V4R26H.

Fitment:
2016 Husqvarna TC 125
2016 Husqvarna TC 250
2016 KTM 125 SX
2017 Husqvarna TC 125
2017 Husqvarna TC 250
2017 Husqvarna TE 150
2017 Husqvarna TE 250
2017 Husqvarna TE 300
2017 Husqvarna TX 125
2017 Husqvarna TX 300
2017 KTM 125 SX
2017 KTM 150 SX
2017 KTM 250 SX
2018 Husqvarna TC 125
2018 Husqvarna TC 250
2018 Husqvarna TX 125
2018 KTM 125 SX
2018 KTM 150 SX
2018 KTM 250 SX
2019 Beta 125 RR (2t)
2019 Beta 200 RR (2t)
2019 Husqvarna TC 125
2019 Husqvarna TC 250
2019 Husqvarna TX 125
2019 KTM 125 SX
2019 KTM 150 SX
2019 KTM 250 SX
2020 Beta 125 RR (2t)
2020 Beta 200 RR (2t)
2020 Husqvarna TC 125
2020 Husqvarna TC 250
2020 KTM 125 SX
2020 KTM 150 SX
2020 KTM 250 SX
2021 Beta 125 RR (2t)
2021 Beta 200 RR (2t)
2021 Gas-Gas Mc 125
2021 Husqvarna TC 125
2021 Husqvarna TC 250
2021 KTM 125 SX
2021 KTM 150 SX
2021 KTM 250 SX
2022 Beta 125 RR (2t)
2022 Beta 200 RR (2t)
2022 Gas-Gas Mc 125
2022 Gas-Gas Mc 250
2022 Husqvarna TC 125
2022 Husqvarna TC 250
2022 KTM 125 SX
2022 KTM 150 SX
2022 KTM 250 SX
2023 Beta 125 RR (2t)
2023 Beta 200 RR (2t)
2023 Gas-Gas Mc 125
2023 Gas-Gas Mc 250
2024 Beta 125 RR (2t)
2024 Beta 200 RR (2t)