High-performance 70cc big bore cylinder kit designed for Yamaha Zuma (2002–2011) and compatible Jog scooters — engineered for enhanced power, throttle response, and street-ready reliability.

Description

With the 70cc Streetrace grey cast iron cylinder series, Stage6 offers a more economical alternative to the popular SportPro Aluminium cylinder. The transfer port layout has been adopted from the high-performing 70cc SportPro, but slightly modified in order to fulfill the thermal demands of the cast iron cylinder. The performance characteristics mainly correspond to those of the SportPro.The Streetrace 70 is a tough cylinder to beat.

Minarelli horizontal

10mm wrist pin

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