ENGINE GY6 50CC 139QMB (74)

The base gasket for GY6 50cc engines (139QMB / 139QMA) is designed to ensure optimal sealing between the cylinder and the engine crankcase. It prevents oil, air, and compression leaks...

The right crankcase gasket for GY6 125 cc and 150 cc engines is designed to ensure a perfect seal between the right crankcase and the engine. It prevents oil leaks...

The 39mm cylinder head gasket for GY6 50cc engine (139QMB / 139QMA) is designed to ensure a perfect seal between the cylinder head and the cylinder. It prevents compression, oil,...

Carrier sprocket for the variator fan V-belt pulley. The kickstarter carrier accompanies the kickstarter sprocket. It is located on the crankshaft, in front of the crankcase, and its teeth can...

Kickstart ratchet collar for GY6 50. Kickstart ratchet collar for GY6 50.

Return spring for the kick starter for GY6 50. Return spring for the kick starter for GY6 50.

The complete engine bearing kit for GY6 50cc is designed to replace all internal bearings in 139QMB and 139QMA engines during a complete overhaul or rebuild. Essential when replacing the...

The NCY 16/42 secondary gear kit is designed to modify the final drive ratio of GY6 50cc 139QMB / 139QMA engines. With its 16/42 ratio, it optimizes the transmission's behavior...

The replacement variator kit for GY6 50cc is designed to restore the proper functioning of the CVT transmission in 139QMB / 139QMA engines. Ideal for replacing a worn variator, it...