8x14mm Cylinder Crankcase Dowel Pin For 125cc 140cc 160cc GY6 Scooters And 50cc 139QMB 1P39QMB Dirt Bikes Replacement Part Durable Easy Install High Quality Engine Pin For Reliable Performance

Compact 8x14mm dowel pin for a 16-piece engine kit
✔️ OD 8mm, ID 7mm, length 14mm; fits 125/140/160cc GY6 (16 pcs)

This 8x14mm cylinder crankcase dowel pin is a precise replacement designed to maintain alignment during engine assembly. It’s commonly used in GY6 scooters and small dirt bikes, including 125cc, 140cc, and 160cc configurations, as well as 50cc 139QMB and 1P39QMB models.

✅ OD 8mm, ID 7mm, length 14mm
✅ Fits 125cc/140cc/160cc GY6 scooters and 50cc 139QMB/1P39QMB bikes
✅ 16 pcs per pack for easy replacement
✅ Compatible with Jonway, Roketa, JMstarR, Sunl, Tank, Peace, Gator

💡 What is a cylinder crankcase dowel pin used for in scooters and small engines?

A handy component that helps align crankcase halves and maintain proper timing. - Helps align crankcase halves during assembly - Reduces crankcase wear by maintaining proper seating - Ensures consistent engine timing and lubrication paths - Works with 8x14mm dowel pins for reliable performance✝️