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.
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