idle shaft gear / kickstart pinion gear - 7 splines -101 OCTANE- for GY6 50cc 139QMB/QMA

Kick starter pinion. The teeth of this component are subject to very high stress, as the power transmission between the kick starter and the crankshaft is transferred here during the starting process. Frequent causes of malfunctions on the kickstarter can be found here.

2 different versions with either 7 or 8 teeth are currently installed on vehicles. This version has 7 teeth. Please compare the detail photo with the original pinion._{AI-translation}