NCY Forged Secondary Sliding Sheave; Yamaha Zuma 125 2022+ master cylinders This NCY unit restores OEM-spec

This NCY unit restores OEM-spec performance and is a straightforward upgrade for any Zuma 125 owner performing CVT maintenance or a belt service

000 RPM to 7

Important: Charge the battery for at least 4–6 hours after adding acid and before first use

Puncture-Proof: Solid honeycomb inner structure eliminates the risk of flats entirely

NCY Forged Secondary Sliding Sheave; Yamaha Zuma 125 2022+ master cylinders This NCY unit restores OEM-specThe NCY Forged Secondary Sliding Sheave is a high strength replacement for the 2022+ Yamaha Zuma 125, machined from forged aluminum to deliver superior rigidity and durability over the OEM cast unit. The secondary sliding sheave is the movable half of the driven pulley it controls belt clamping force on the output side of the CVT, directly influencing how the transmission responds to load and throttle input. A forged construction reduces flex under