The head of the cylinder 2 of the valve 28/23 of mm of A-Type for scooters with GY6 125 150, 152QMI 157QMJ engines - SYM, KYMCO

The head of the cylinder 2 valvate GY6 (152QMI, 157QMJ) for the increased TsPG.
It is recommended for installation on piston the increased size for full work. The head of the cylinder has the increased combustion chamber, the increased sizes of valves an admission and release, inlet and final channels are increased.