Mos 155cc Zuma 125 bore kit

We're proud to announce a new big bore kit option for the Zuma 125, MOS 58.5mm 155cc big bore cylinder kit! This high-performance cylinder comes with everything you need to boost torque and HP of your Zuma for higher top speed, better hill climb and acceleration performance! 

Included with this cylinder kit:

58.5mm Aluminum cylinder, steel liner

High Comp. Piston

High quality RIK ring set

Gaskets, w/ two base gasket options for compression

Piston pin & Circlips

Grab an NCY camshaft HERE

Grab a Polini EFI tuning module HERE