By increasing to two each in and ex valves to expand the valve curtain area, achieved a high intake and exhaust efficiency.
Since designed an original cylinderhead shape for 4 valve, achieved high output.
Combustion chamber is finished with high accuracy by CNC machining

Takegawa 181cc Super Head 4V + R Kit MSX / 125 Monkey

£1,200.00Price

    © 2016 Ben bikes racing