QMB139 50cc Cam Chain Tensioner Kit
Universal Parts cam chain tensioner kit for 50cc 4-stroke QMB139 engines. Includes cam chain, both guides, the tensioner assembly, bolts and gasket, and cam chain guide bolt.
- Cam Chain Links: 41
- Bolt Size: M6-1.00×22
QMB139 50cc/49cc , Various unlisted makes/models
$24.99