Product Description
Standard 38mm 50cc replacement piston and ring set for your Tomos A3 Mopeds. Also for some European Puch models that use a 10mm wrist pin.
Comes with Piston, FG Rings, Wrist Pin and Circlips.
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OldSchool
I have a 1975 A3 and blew my stock piston and rings all to bits. this piston went right in, no problem. It was a little difficult to fight with the rings while sliding into the cylinder, but all is well! I'm super glad the part was available.