The Mikuni main jet of 125 mm is an essential component for optimizing the performance of Mikuni TM, TMX, and VM carburetors. Designed to ensure perfect tuning, this jet is crucial for those who want to maximize their engine's efficiency. Installing a larger main jet is the first step towards proper adjustment; indeed, at full throttle, the engine may start to sputter, indicating the need for an adjustment.
Proper adjustment of the main jet is critical to avoid operational issues. Monitoring the spark plug's face is an effective method for evaluating the fuel mixture. A black or oily spark plug indicates a mixture that is too rich, while a white spark plug signals a mixture that is too lean, potentially harmful to the engine. With the Mikuni main jet of 125 mm, motorcycle enthusiasts can tackle tuning with confidence, ensuring that the engine runs smoothly and performs well.
- Size: 125 mm
- Compatibility: Mikuni TM, TMX, and VM carburetors
- Material: high-quality brass
- Design: designed for perfect tuning
- Ease of installation: easy to replace
- Engine performance optimization
- Fuel mixture adjustment
- Monitoring via spark plug face


