The ultimate upgrade for your 139QMB or 139QMA engines in the GY6 50cc scooter moped, the M2S Complete Variator Kit is a must-have. This comprehensive kit includes five high-quality roller weights, carefully selected to provide maximum durability and performance.
A key component of any engine setup, the variator plays a crucial role in maintaining optimal engine speed and torque output. By selecting the right roller weights for your specific engine type, you can ensure that your M2S system is tailored to meet the unique demands of your 139QMB or 139QMA engine.
The kit comes with a front clutch drive pulley, designed specifically for use on GY6 engines. This reliable and durable component provides smooth engagement and disengagement, ensuring seamless operation throughout the shifting process.
Whether you're looking to improve your scooter's overall performance or simply upgrade to a more precise variator system, this M2S kit is an excellent choice. With its high-quality components and meticulous design, it's no wonder that this kit has earned a reputation as one of the best-selling M2S systems on the market today.
