125cc Stage Kits ( TBI - 2023 +)

Elevate Your KTM/Husqvarna/GASGAS 125. Discover the ultimate performance upgrade for your KTM, Husqvarna, or GASGAS 125 motorcycle with our expertly curated Stage Kits. These kits offer a range of options to suit your riding style and desired power output and how you you want your power. (Must send in ECU and Cylinder for Stage Kit 2 and 3.)

Choose the Perfect Stage for Your Needs:

• Stage 1: This kit provides a solid foundation for performance upgrades, featuring a Nihilo Concepts dome, a Wiseco Special Piston, and a Brisk Spark Plug.
• Stage 2: Building upon Stage 1, this kit adds a WMR Racing Development ECU for even more refined tuning and increased power.
• Stage 3: For those seeking maximum performance, Stage 3 includes all the components from Stage 2, plus a cylinder porting/mod for optimized airflow and combustion.

125 cc Stage Kit 1 (KTM/Husqvarna/GASGAS)

1. Nihilo Concepts Dome
2. Wiseco Special Piston
3. Brisk Spark Plug 

125 cc Stage Kit 2 (KTM/Husqvarna/GASGAS)

1. Nihilo Concepts Dome
2. Wiseco Special Piston
3. Brisk Spark Plug 
4. WMR Racing Development ECU (ECU core is needed/call if you want to purchase a core)
   

125 cc Stage Kit 3 (KTM/Husqvarna/GASGAS)

1. Nihilo Concepts Dome
2. Wiseco Special Piston
3. Brisk Spark Plug 
4. WMR Racing Development ECU  (ECU core is needed/call if core needed)
5. Cylinder Porting / Mod (cylinder core is needed/call if core needed)