10-Piece Carburetor Main Jet Kit for GY6 125cc-150cc Carburetors

Upgrade your engine's fuel delivery with this comprehensive 20-piece carburetor jet kit. Designed for seamless integration with popular PWK, Keihin, OKO, KOSO, and CVK carburetors, this set includes both main jets and slow/pilot jets essential for optimal performance on GY6 125cc and 150cc engines.

• Main Jet Set: Features ten precisely sized main jets (100, 105, 108, 110, 115, 120, 125, 130, 135, 140) for fine-tuning fuel flow at higher RPMs.
• Pilot Jet Set: Includes ten slow/pilot jets (#32, #35, #38, #40, #42, #45, #48, #50, #52, #55) to ensure smooth idling and crisp throttle response.
• Wide Compatibility: Directly fits Keihin PWK, CVK, PE types, as well as OKO, KOSO, Stage-6, and Polini carburetors, making it a versatile choice for performance enthusiasts.
• Engine Specific: Specifically designed for 125cc and 150cc GY6 engines, ensuring proper fitment and function for this common displacement.
• Quality Construction: Each jet is manufactured to high standards for consistent flow rates and durability, providing reliable performance for your motorcycle or scooter.

This kit offers a significant advantage over standard tuning components, allowing for more precise fuel mixture adjustments than stock setups. Unlike generic kits, this set covers a broad range of common sizes needed to dial in performance for various riding conditions and modifications, outperforming single-replacement jets by providing comprehensive tuning options for racers and everyday riders alike.

Key Technical Advantages: Technology and Performance

Engineered for enhanced combustion and throttle response, this kit provides the critical fuel metering components necessary to achieve peak engine efficiency. The inclusion of both main and pilot jets allows for complete fuel circuit optimization, ensuring your GY6 engine runs smoother, accelerates quicker, and maintains stable idle across different load conditions.