GY6 and QMB Exhaust Cap Nuts, Part #140-16
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GY6 and QMB Exhaust Cap Nuts generally compatible with 50cc QMB139 gas powered engines as well as 125cc & 150cc GY6 engines and a variety of off-brand models. These nuts specifically fit the QMB139 50cc/49cc and GY6 QMI/QMJ 152/157.
GY6 and QMB Exhaust Cap Nut Specs:
Thread Size - M6 x 1.00
Total Length - 30mm
Come in a set of two