Main Jet #80 for 50cc 4 Stroke Engines
Code: MGHP1320_80

- Keihin round style main jet for QMB139 50cc 4 stroke engines
- Thread size: M4x0.70
- Overall length: 7mm
- Recommended to start with a larger jet and work down in small increments to avoid running lean
- For off-road use only
Main Jet #80 for QMB139 50cc 4 Stroke engines (FOR OFF-ROAD USE ONLY)
It will fit most GY6/QMB139 Tao Tao ATM50 / VIP 50 / Baccio Heat 50 , Roketa , peacesports etc.