YBR125 motorcycle spark plug, thread specification (M10*12.7mm) and calorific value (CR6HSA) fully match YBR125 engine, direct replacement without adjustment; Built-in resistance element, effectively suppress electromagnetic interference, avoid affecting the vehicle circuit and electronic equipment; Accurate electrode clearance, strong ignition energy, ensure full fuel combustion, improve engine power and fuel economy; High temperature ceramic insulator + corrosion resistant metal electrode, suitable for high temperature working environment of the engine, long service life; It can be tightened by aligning the cylinder head spark plug hole, which is easy to install without additional adjustment.