For SYM 50 To 70cc 47mm Big Bore Cylinder Piston Kit For Mio

  
This complete big bore top-end cylinder kit is designed for SYM 50cc and Mio 50 two-stroke scooters, upgrading displacement from 50cc to 70cc. 47.0 mm bore × 39.2 mm stroke, 70 cc displacement (upgraded from 50cc). 47 mm set (2 rings). 47mm cylinder, 47mm piston, piston rings, wrist pin, clips, and full gasket set.

Manufactured from durable cast iron for excellent heat dissipation and wear resistance. Precision-machined piston with chrome-plated rings ensures reliable compression and reduced friction.

All components meet strict tolerances for straightforward bolt-on installation. Ideal for upgrading your 50cc engine to 70cc for increased power and acceleration. Perfect for SYM scooters, Mio 50, daily commuting, and scooter tuning enthusiasts.