Prima Stage 2 Power Pack for 125cc Genuine Buddy Scooter SPECFICATIONS: Cylinder Kit (161cc, 58.5mm) Exhaust Roller Weights Torque Spring Same as the Stage 1 plus Prima 161cc cylinder kit. A complete overhaul for your Buddy. Gives you more on the top and bottom end. A must have for anyone wanting more power for less money. Save 10% by purchasing this kit, as opposed to buying the parts individually. Voids your factory warranty–throw caution to the wind! May require intake modification or a pod-style filter. **NOTE: Not legal for use in California on pollution controlled vehicles. Check local laws before installing.** **