NCY Cylinder Kit (158cc, 58.5mm); Yamaha Zuma 125 s150 Connects the carburetor to the

Connects the carburetor to the cylinder head

It is the cylinder head body by itself

and other 50cc 139QMB gas scooter engines with automatic CVT transmission and rear drum brakes

Hardware Included

Install a new NCY Intake Gasket (SKU 1100-4020) to ensure a perfect seal and prevent lean-run conditions

NCY Cylinder Kit (158cc, 58.5mm); Yamaha Zuma 125 s150 Connects the carburetor to theNCY 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!