CMS Racing Cylinder Head (23in/20ex) - Yamaha R15v3/MT-15/NVX155/Aerox/T155
CMS Racing big valve cylinder head kit improves intake and exhaust air flow over the factory cylinder head. Recommended if you already have a big bore kit upgrade. This Superhead type cylinder head has Intake inlet ported with an oval shape for extra airflow. Copper beryllium valve seats.
Yamaha NVX155 NVX125/Aerox 155
Yamaha YZF-R15 V3/XSR155/MT-15 (VVA)
Yamaha YZF-R125/MT-125 (VVA)
Yamaha Y16ZR/Jupiter MX King/Exciter/Sniper T155 (VVA)
Yamaha MT-15 2020 (VVA)