16 mm long cylinder head dowel pin for 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines. A cylinder dowel pin, also known as a locating pin, is used to align the cylinder head when installing it on the crankcase.
Please check the dimensions on the Specs tab to see if this is the correct cylinder dowel pin for your Chinese built 125cc and 150cc GY6 QMJ152/157 and QMI152/157 engine.
Need a crank dowel pin for genuine roughhouse motor ID: 8.5mm, OD: 10mm, L: 23mm. What's compatible? Do you Know??
Unfortunately, it does not look like we have another option for a cylinder head dowel pin. We'd recommend reaching out to Genuine, a small engine or scooter shop, or the dealer where you purchased the scooter from to see if they know where you might be able to find this part.