Moto Tassinari V-Force V4R KTM/HUS 125-300 17-21

SKU: 59-67743

Purchase Moto Tassinari V-Force V4R KTM/HUS 125-300 17-21
$168.95
★★★★★★★★★★ (5 Reviews)
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Description

Moto Tassinari V-Force V4R KTM/HUS 125-300 17-21

The all-new VForce4R for the 2017 KTM and Husqvarna 250/300 has been designed to offer you exceptional durability and overcome the shortcomings of the stock reed valve system.

The unique design of the VForce reed valve system features double the reed tip surface over a conventional reed valve design. This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. 2) Because the reed petals only need to travel half the distance of that on a conventional reed valve design, there is a greater chance of them being fully opened as well as a better chance of sealing when they are "closed". A reed petal never truly "closes" in a classic sense, as it is always in movement. Consider this, an engine operating at 8,000 RPM results in a reed petal opening and closing 133 times in one second. This fact, sheds light on another VForce advantage. Since the petals are only traveling half the distance, they generally last longer are they receive less wear than the reed petals on a conventional reed valve design.

STANDARD VFORCE REED VALVE FEATURES
  • Double the reed tip surface over a conventional reed valve design
  • Increased bottom end, stronger mid-range and longer top-end
  • Greater efficiency due to reduced reed petal travel
  • More airflow means more horsepower
  • Reduced reed petal wear
  • Screw free design eliminates risk of screws going through motor
  • Screw free design enables rapid reed petal changes
IMPROVED VFORCE4 FEATURES
  • All-new reed petal resin system, carbon fiber and lay-up
  • Pre-curved reed petal ensures better seal at tip
  • Wider reed cage for maximum airflow
  • Combined reed tip area increased by 10.5% resulting in increased total air flow
  • Airfoil shape added to cage tip to increase air velocity from outer ports
  • Long reed stops added to progressively slow petal tip velocity, for increased petal durability
  • Reduced frontal area of central wing by 15.6% combined with a more aerodynamic shape
ALL-NEW VFORCE4R FEATURES
  • Rubber overmodling on reed tip surface of cage to further enhance petal life
  • All-new manifold, reed cage and air guide designed for the VFVorce4R
WHAT'S INCLUDED WHEN I PURCHASE THE VFORCE4R REED VALVE SYSTEM?
Moto Tassinari and VForce4R decals, detailed installation instructions, complete VForce4R reed valve system (including reed petals) and gasket.

Fitments:

- Beta
  • 2021 - 125 RR (2T)
- Husqvarna
  • 2021 - TC 125
  • 2021 - TC 250
  • 2021 - TE 250i
  • 2021 - TE 300i
  • 2021 - TX 300i
  • 2020 - TC 250
  • 2020 - TC 125
  • 2020 - TX 300i
  • 2020 - TE 300i
  • 2020 - TE 250i
  • 2019 - TE 250i
  • 2019 - TE 300i
  • 2019 - TX 300
  • 2019 - TC 125
  • 2019 - TC 250
  • 2018 - TX 300
  • 2018 - TC 125
  • 2018 - TC 250
  • 2018 - TE 250
  • 2018 - TE 250i
  • 2018 - TE 300
  • 2017 - TX 300
  • 2017 - TC 125
  • 2017 - TE 300
  • 2017 - TC 250
  • 2017 - TE 250
  • 2016 - TC 125
- KTM
  • 2021 - 250 SX
  • 2021 - 150 SX
  • 2021 - 125 SX
  • 2021 - 300 XC-W TPi
  • 2021 - 300 XC TPi
  • 2021 - 250 XC-W TPi
  • 2021 - 250 XC TPi
  • 2021 - 150 XC-W TPi
  • 2021 - 125 XC
  • 2020 - 125 SX
  • 2020 - 150 SX
  • 2020 - 250 SX
  • 2020 - 300 XC-W TPi
  • 2020 - 300 XC TPi
  • 2020 - 250 XC-W TPi
  • 2020 - 250 XC TPi
  • 2020 - 150 XC-W TPi
  • 2019 - 150 XC-W
  • 2019 - 250 XC-W TPi
  • 2019 - 300 XC-W TPi
  • 2019 - 250 SX
  • 2019 - 150 SX
  • 2019 - 125 SX
  • 2019 - 300 XC
  • 2019 - 250 XC
  • 2018 - 125 SX
  • 2018 - 150 SX
  • 2018 - 250 SX
  • 2018 - 250 XC
  • 2018 - 300 XC
  • 2018 - 150 XC-W
  • 2018 - 250 XC-W
  • 2018 - 250 XC-W TPi
  • 2018 - 300 XC-W
  • 2017 - 150 XC-W
  • 2017 - 250 SX
  • 2017 - 250 XC
  • 2017 - 250 XC-W
  • 2017 - 300 XC
  • 2017 - 300 XC-W
  • 2017 - 125 SX
  • 2017 - 150 SX
  • 2016 - 125 SX
  • 2016 - 150 SX

59-67743

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Reviews

★★★★★★★★★★
5/5 Stars out of 5 Reviews
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Great replacement for faulty stock reeds
Was concerned I would have well documented initials with the stock reeds/reedbox so went ahead and grabbed these. Well built and seem extremely durable. Used seelant on the carb side as an extra precaution
Pros: Durable |Well designed
Recommended: Yes
By Cole Martin (PA) | January 22nd, 2018
Great add-on to your bike. Highly recommended.
Great add-on to your bike. Highly recommended.
Recommended: Yes
By Greg Drozd (Chicago) | January 22nd, 2018
Great addition
Bike runs cleaner oem reeds frayed on end and was getting fuel back in carb.
Recommended: Yes
By William Anderson (Montana) | January 22nd, 2018
Great upgrade
Greatly improved throttle response especially the low and midrange nAdditional piece of mind with a more reliable reed cagenLogged over 50 hours on the new reedsnExtremely happy with this purchase!
Pros: Throttle response |Added reliability
Recommended: Yes
By Joe Ryan (Idaho) | April 21st, 2020
Excellent Product
I installed the VForce 4R on a 2018 KTM 150 XC-W with 66 hours on it. This bike would load-up and run rich when putting around and then clean out when accelerating. It also would idle erratically. Not any more! Now it runs very cleanly and powerfully. It is very smooth and clean on the bottom end just off idle and continues clean throughout the powerband. I also have a JD Jetting Kit on this bike. I think sometimes loading-up problems are attributed to rich jetting when in the case of KTM two strokes of this vintage it is the poor reed valve seal on the stock reeds. I highly recommend this product. I had no problems installing it.
Recommended: Yes
By Richard Lillard (Maryland) | December 11th, 2020
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