RDLN Low Mount Exhaust; 139QMB office The multiple-angled liner grooves channel

The multiple-angled liner grooves channel dirt

and E-TON Beamer 50 2-stroke scooters running horizontal Minarelli engines

70mm center-to-center bolt hole spacing

Big Valve Head: Use with the NCY 50mm Big Valve Head for optimal flow

resulting in more precise throttle modulation

RDLN Low Mount Exhaust; 139QMB office The multiple-angled liner grooves channelThis OEM lower mount road pipe is designed to fit vintage styled 50cc 139QMB bikes with lower cowls (see product photo). Specifications: Right side mount Overall dimensions: 36"L x 12"W x 12"H Compatibility: 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2 BD1P39QMB BN139QMB 147QMD Other QMA models Other QMB models Don't see your engine listed? If the engine code includes "QM"