Universal Parts Left Crankcase - QMB139 w/12" Wheel kill switch Outer Diameter (air filter mount):

Outer Diameter (air filter mount): 27

Direct Replacement: Designed for a "plug-and-play" installation with no modifications required

High-Friction Lining: The advanced semi-metallic compound is specifically formulated to maintain grip at high RPMs and resist the "fading" common in heavy-duty or long-distance riding

S150 Genuine Scooters Buddy 125

Vespa GT125 - VNL Vespa GTR125 - VNL Vespa PX125 - VNX Vespa P125X - VNX Vespa PX125E - VNX Vespa PX150 - VLX Vespa Sprint 150 - VLB Vespa PX150E - VLX

Universal Parts Left Crankcase - QMB139 w/12" Wheel kill switch Outer Diameter (air filter mount):Universal Parts Left Crankcase, Type 2 for 50cc 4 stroke QMB139 engines. There are 3 versions of this crankcase, please check measurements before ordering. For 12 inch rear wheel QMB139 50cc 49cc , Various unlisted makes models