NCY Yamaha Zuma 125 Torque Spring Crankshafts Core Moto is an American

Core Moto is an American manufacturer that specializes in custom colored DOT stainless steel brake lines

This Frame Slider kit only fits on Honda Grom's that have a side-mounted dipstick on the crankcase

This is due to the fact that although you have a much larger fuel line

PSI Relief Valve Yes

This is for Pre Bug models only and will increase performance and RPM

NCY Yamaha Zuma 125 Torque Spring Crankshafts Core Moto is an AmericanThe Torque Spring aka Contra Spring or Compression Spring, controls how your roller weights moves in the variator. Along with an upgraded variator, the torque spring is an import part of CVT tuning of Yamaha Zuma 125. NCY Yamaha Zuma 125 Torque Spring 1000 RPM 1500 RPM 2000 RPM