Idle Screw for KTM/Husky 150cc TPI

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Idle screw and spring necessary to do the ‘idle screw mod’ on all KTM and Husky 150 TPI bikes.


SKU: IDLE150 Category:


The idle screw modification allows riders the ability to adjust the idle on their KTM or Husky 150 TPI dirt bike.  By having an actual “adjustable” idle screw, this allows riders to use the air mixture screw on the side of the throttle body, as an actual adjustment to modify the air/fuel mixture flowing through the throttle body.  The air mixture screw provides adjustments to richen or lean the air/fuel mixture, enhancing overall throttle response and engine performance for individual rider preference.  Turning the air screw “in” (clockwise) will richen the air/fuel mixture.  Turning the air screw “out” (counter-clockwise) will lean the air/fuel mixture.

For more information on the idle screw modification and installation, or how the air/fuel mixture screw works, click on the TSP Tech Tip video below. Please be sure to specify your make/model/year in the Model Validator to ensure proper fitment.

1 review for Idle Screw for KTM/Husky 150cc TPI

  1. Rocky Estep (verified owner)

    Great fit. Great price. Appreciate the explanation also. Very helpful

    (0) (0)
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Below are the make(s) and model(s) that will fit this part.

Year Make Engine CC Model
Year Make Engine CC Model
2020 Husqvarna 150 TE-i
2020 KTM 150 XC-W TPI
2021 Husqvarna 150 TE-i
2021 KTM 150 XC-W TPI
2022 Husqvarna 150 TE-i
2022 KTM 150 XC-W TPI
2023 Husqvarna 150 TE-i
2023 KTM 150 XC-W TPI
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