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Bella Classic 50 139QMB / 139QMA Engines All 49/50cc short-case 4-stroke scooters with 10" wheels
SKU: 0600-0034 | MPN: M13413
among others
Not legal for use in California
Plug-and-Play Fitment: Designed for drop-in installation into stock 139QMB cylinder heads (no machining required)
NCY Super Transmission Kit - Buddy 50, 139QMB, GY6 50cc valvetrain Bella Classic 50 139QMB /Total Transformation: NCY Super Transmission Performance Kit Eliminate CVT lag and unleash the full potential of your 50cc engine with the NCY Super Transmission Kit. This is the most comprehensive bolt on performance set available, engineered to deliver explosive off the line acceleration, lightning fast downshifting, and a higher top end cruising speed. Whether you are navigating heavy city traffic or opening it up on the backroads, this
