101 Octane Bolt Set for QMB139 50cc Engines 1st modern 4-stroke (4T) scooters requiring

modern 4-stroke (4T) scooters requiring JASO MB service specification

Type: Nano gel

and a Vespa 50 high performance kit that include this cylinder

but if you lose yours

101 Octane Bolt Set for QMB139 50cc Engines 1st modern 4-stroke (4T) scooters requiring101 Octane Bolt Set for QMB139 50cc Engines. Includes CVT cover bolts, cylinder studs, oil drain plug and much more! A handy set to have when rebuilding your engine. Please Note: These kits come with assorted hardware and the photo is an example of the contents of this kit. The kits come with either all silver color hardware or a combination of gold zinc coating and black. We do not have a choice in which color the manufacturer sends to us. Please See