Description
GY6 150cc Gear Set for 125cc, 150cc, and 169cc Engines
This 15*37 gear set provides a significant performance boost for your GY6 engine. It increases the gear ratio by 20% compared to the stock 13*40 setup, allowing for improved speed and rev range. As one of the GY6 150cc scooter parts, it’s an ideal upgrade for those looking to maximize their scooter’s potential.
Performance Benefits
Upgrading to this gear set allows for better acceleration and speed, making it perfect for riders who want to get the most out of their GY6 big bore kits. The improved ratio helps in achieving a more usable power band, which enriches the overall riding experience. This performance part is designed for off-road use only.
Installation Note
Installing this gear set requires a 12-ton hydraulic compressor for both removing the stock counter shaft gear and pressing the new gear onto the shaft. Proper tools and mechanical knowledge are necessary to ensure correct installation.
Specifications
- Front Counter Shaft Teeth: 15
- Rear Final Drive Gear Teeth: 37
- Gear Press-On Area: 12.08mm x 19.08mm
Fitment
This gear set is compatible with various 157QMJ-based 125cc, 150cc, and 169cc engines. It fits the following engine codes:
- 157QMJ
- 161QMK
- 152QMI
- 1P61QMK
- YN1P57QMJ
- 1P52FMI
- 154FMI
- JJ157QMJ
- 1P57QMJ
- BN157QMJ
- BN161QMK-A
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: GY6 150cc Scooter Parts (157QMJ) · GY6 Scooter Parts · Scooter Transmission & Final Drive · Scooter Parts
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