50 Piece 150cc 125cc GY6 CVK MAIN JET SET FOR CHINESE SCOOTERS ATVS KARTS
50 Piece GY6 Main Jet Set for 150cc & 125cc Scooters and ATVs
Precisely tune your engine's fuel delivery with this comprehensive 50-piece main jet set, specifically designed for GY6 CVK carburetors found in many Chinese scooters, ATVs, and karts.
- Five of each size: Includes 50 jets in total, with five units each of #100, #105, #108, #110, #115, #120, #125, #130, #135, and #140 for granular control over air-fuel mixture.
- M5x0.80 thread size: Engineered with the standard M5x0.80 thread pitch for a secure and accurate fit in compatible Keihin round-style carburetor systems.
- 8mm overall length: Features a compact 8mm overall length, ensuring proper seating and performance within your carburetor's jet holder.
- Optimized for GY6 engines: Tailored for 150cc and 125cc GY6 engines, this set provides the essential range for achieving peak performance and smooth operation.
- Premium Keihin round style: Utilizes the trusted Keihin round-style design, known for its consistent flow and reliable performance in high-demand applications.
Compared to generic or single-size jet kits, this diverse 50-piece set offers unparalleled flexibility. It allows enthusiasts and mechanics to fine-tune engine performance for various modifications, altitude changes, or specific riding conditions, moving beyond the basic jetting typically found in stock configurations or less complete kits.
Key Technical Advantages: Precision Tuning and Enhanced Performance
This extensive main jet set empowers you to dial in your engine's air-fuel ratio with exceptional accuracy. By providing multiple jets within a specific range, you can achieve optimal combustion, leading to improved throttle response, better fuel efficiency, and increased horsepower for your GY6-powered vehicle.



