Cylinder set (engine) racing TOP Performances - Minarelli AM345 / AM6 - 70cc 2T

Set cylinder (engine) tuning TOP Performances made of cast iron, for motorcycles equipped with AM345 / AM6 engine - Aprilia RS 50 / AF1 / Extrema / RX 50 / Tuono / Beta RR / RK 50 / Malaguti XSM / XTM / Motorhispania Furia 50 / Peugeot XP6 / XPS / Yamaha DT R 50 / DT SM 50 / TZR 50 / Rieju RR / RS1 AM6 / RS2 Matrix / MRX / SMX / Spike / Sherco HRD Enduro / HRD SM 50.

The set includes:
- cylinder;
- complete equipped piston (piston, pin, rings, clips);
- cylinder head;
- gaskets.

Technical specifications:
- Displacement 73.50 cubic centimeters
- Stroke 39.00 mm
- Bore 49.00 mm
- Compression ratio 1:12.5.