Top Performances 3rd and 4th speed 19 or 22 tooth, respectively, primary drive gear wheel suitable for Minarelli AM6 engine 2nd gear box generation 2012- / Yamaha, MBK 2007-.
OEM number for comparison purposes: 4YV-E7131-10-00 / 4YVE71311000 / 34.00431.000 / 0/005.400.3729
OEM number for comparison purposes: 4YV-E7131-10-00 / 4YVE71311000 / 34.00431.000 / 0/005.400.3729