50factory 139FMB and 139FMB-B gear selector shaft Mash, Masai, Archive... 50 4T
139 FMB-B and 139 FMB gear shift selection axis, Masai, Orion, Mash, Archive... 50 New gearbox control pedal shaft adaptable for 50cc motorcycle Mash Fifty, Masai, Archive, Motrac... with a vertical 139FMBB 50 4T or horizontal 139FMB 50 4T motor. Gear shift shaft technical characteristics and dimensions
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