NCY Cylinder Kit (158cc, 58.5mm); Yamaha Zuma 125 shield This scooter engine is designed

This scooter engine is designed specifically for use with 10" diameter rear rims

OEM-style transmission cover assembly with bearings for 125/150cc GY6 engines

Voltage Gain: +10kV over OEM standards

the open-top design accommodates tall or bulky items that won't fit inside a hard box

NCY Cylinder Kit (158cc, 58.5mm); Yamaha Zuma 125 shield This scooter engine is designedNCY Cylinder Kit (158cc, 58. 5mm) for Yamaha Zuma 125. Does not include cylinder head. NOTE: Because the Zuma 125 is fuel injected, you'll need a Fuel Injection Module if you want this cylinder kit to work. We recommend the Two Brothers Juice Box. You'll definitely want to check out our Crank Case Breather specifically for your Zuma 125. If you're adding a big bore cylinder kit to your bike, or you ride at high RPM, this is a must have!