Cylinder Kit Athena Racing 170cc, Derbi GPR 125 / Yamaha DT 125 R/RE/X, TDR 125, TZR 125 R/RR

The Athena Racing 170cc Cylinder Kit is a high-quality aluminum cylinder. The Racing 170cc is for demanding users. A very powerful racing-class cylinder. Specially designed ports and excellent timing combine to produce incredible torque. The excellent heat dissipation of aluminum cylinders is familiar to everyone. The Athena Racing 170cc kit comes with a cylinder head, exhaust valve, piston, piston ring, piston pin, piston pin retainers, gaskets, and bolts and studs. It offers significant potential. On off-road models like the Yamaha DT 125, the kit will provide 25.5 hp at 10,500 rpm. On road models like the Yamaha TZR 125, it can achieve up to 29.6 hp at 11,700 rpm. With the right parts and appropriate modifications, the Athena Racing Modular 170cc kit can achieve more power than listed above. The manufacturer recommends using a minimum 290 mm jet and a sports exhaust system.