139QMB / GY6 50cc Starter Motor

Reliable Ignition: OEM 139QMB, GY650 Starter Motor Restore your scooter’s effortless push-button start with this Genuine Chinese 50cc Scooter Starter Motor . Specifically engineered for the 50cc QMB139 engine platform found, this high-torque electric motor is designed to provide consistent cranking power, even in cold weather. Whether you are dealing with a "clicking" starter, a dead spot in the armature, or a complete motor failure, this OEM replacement ensures your commute starts on the first try. Technical Performance Features High-Torque Performance: Optimized internal windings deliver the necessary rotational force to overcome engine compression quickly, reducing strain on your battery. Weather-Sealed Housing: Features reinforced gaskets and a corrosion-resistant finish to protect internal components from road grime and moisture. Precision 10-Tooth Spline: Engineered for a perfect mechanical mesh with your starter bendix, preventing "grinding" and ensuring smooth engagement every time. Direct Plug-and-Play: Includes the factory-correct single-wire lead for a seamless connection to your existing starter relay harness. Comprehensive Fitment Guide This starter motor is a direct OEM replacement for Chicago Scooter Company models and related 50cc 4-stroke platforms: Brand / Model Engine Type Chicago Scooter Co. Go 50cc 4-Stroke (QMB139) Chicago Scooter Co. Pug 50cc 4-Stroke (QMB139) Generic GY6 50cc Fits most 139QMB / 1P39QMB Chinese Engines Technical Specifications Voltage: 12V DC Spline Count: 10-Tooth Bolt Hole Spacing: 70mm (Center to Center) Connection: Single-Wire (Male Bullet Connector) Pro Tip: When installing, ensure the mounting surface is clean to provide a solid electrical ground through the engine case! SKU: 1200-1115 Vendor: Chicago Scooter Company Stock starter for GY50/139QMB