Here you will receive a left housing half (ignition side) for mopeds with a D50B1 engine.

 The engine casing is completely original and unmodified.

 With through hole and threads for mounting the electric starter and bearing for the balance shaft.

 Swingarm axle bore: 14mm

 It therefore also fits the Derbi DRD Pro frame, etc.

 Suitable for:
 - Derbi GPR 50 (from 2006 onwards)
 - Derbi DRD Pro (from 2006 onwards)
 - Aprilia RS 50, RS4 (from 2006)