Citomerx 70cc Tuning Cylinder Kit For Minarelli AC Horizontal Engine – Aprilia SR 50 AC (97-02)

Looking to give your Aprilia SR 50 AC (1997-2002, horizontal Minarelli engine) a serious power boost?

This Citomerx 70cc cylinder kit is exactly what you need.

It's a complete set: cylinder, piston kit, gaskets, and cylinder head.

The bore is 47.6mm, and it features a single half-trapeze piston ring.

A ton of specs are here: M14x1.25 spark plug thread, 10mm piston pin, 25mm exhaust outlet, and 48mm exhaust stud spacing (M6 threads).

The head is not usable with your original, so use the one provided.

This is a tuning part, so check your local laws.

Made for those who want more grunt from their scooter!