SCOOTER CYLINDER HEAD

YAMAHA BWS 125, CYGNUS XC 125 RACING CYLINDER HEAD NARAKU 4-valve racing cylinder head for use on big bore cylinders for Yamaha 5ML engines. The cylinder head features stiffer valves and springs. The inlet valves have a diameter of 23mm and the exhaust valves 21mm. Inlet connection: 27mm, exhau..