Combine this kit with 12101RRP823 and you will have a perfect 72CC big bore kit that can be fitted with the standard cylinderhead. More compression, bigger torque.
If you want to discuss this PISTON KIT (Ø 47MM 12V) (FOR 49CC (GK4) STOCK HEAD, please go the forum and post a message.For questions about Honda Cf50s Japanese Home Market (cf50-380), please write a message in the forum.
Cf50s Japanese Home Market (cf50-380) forum
posts from the Honda CF50S JAPANESE HOME MARKET (CF50-380) forum