GY6 Engines - Valve adjustment screw rocker arm for 139QMB, GY6 50cc, GY6 125cc, GY6 150cc
Adjusting screw on rocker arm for valves suitable for cylinder head in GY6 4T 50cc and 125cc engines.
Dimensions:
Length:18,5mm
Thread: fine thread Whitworth W 3/32
Adjusting screw on rocker arm for valves suitable for cylinder head in GY6 4T 50cc and 125cc engines.
Dimensions: