ENGINE GY6 50CC 139QMB (74)

Genuine quality replacement crank for 50/90cc 4-stroke engines (GY6 50, 139QMB/QMA). The crank is pre-pressed with main bearings and connecting rod. GY6 engines are factory fitted with 2 different crank...

50cc cylinder kit for all 50cc 4-stroke Chinese scooters using GY6 139QMB / QMA engines. An ideal low-cost replacement kit for worn or damaged top ends. 50cc cylinder kit for...

Replacement intake manifold for all GY6 50cc 139QMB/QMA 4-stroke engines to original OEM standards. Comes with clamp and O-ring. Replacement intake manifold for all GY6 50cc 139QMB/QMA 4 stroke engines...

Bowden throttle cable suitable for most Chinese-made 4-stroke scooters. If in doubt, compare the image with your own Bowden cable. The length of the part we supply is approximately 190...

This modern-style fuel valve (petcock) for Chinese scooters automatically controls fuel flow using a vacuum system. Ideal for replacing a faulty valve and restoring a reliable fuel supply to the...

The NCY QMB139 upgrade kit for your 50cc 4-stroke is finally here! This kit is specifically designed for 88cc big bore engines and increases your gear ratio by 30%. This...

The NCY QMB139 upgrade kit for your 50cc 4-stroke is finally here! This kit is specifically designed for big bore engines and increases your gear ratio by 26%. This will...

The Naraku Jet Flow CNC intake spacer for GY6 50cc is designed to improve airflow between the intake manifold and the engine. Made from CNC aluminum, it offers precise finishing...

NGK CR7HSA replacement spark plug.