One of the cheapest ways to get carburetor performance tuning. Working closely together with various 4-stroke scooter manufacturers, we have managed to increase engine performance and running smoothness. The result does not affect everyday drivability while still offering smooth running and durability.

Universal automatic choke assembly for GY6 50, 125, and 150cc Chinese 4 stroke engine. (139QMB, 157QMI, 157QMJ) It also fits many 2 stroke Chinese engines as well. It is an easy one screw installation. This choke is found on the Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, VIP and many others....

Mechanics Note: This is usually the problem when the engine is difficult to start, won't stay running or runs fuel rich. This is an inexpensive and easy repair.