Cylinder Athena Yamaha DTR / TZR / GPR transformation from 125cc to 170cc

Cylinder Athena Yamaha DTR / TZR / GPR 125cc to 170cc transformation. The 170cc Athena cylinder is what you need if you are looking to increase performance across the entire RPM range, offering much higher torque and power compared to the stock cylinder.

With this increase in displacement, along with the internal design of the cylinder aimed at improving its performance, you will be able to fully exploit the vehicle's potential, allowing it to reach up to 25hp, which is more than enough performance even for sporting use.

The kit includes everything necessary for installation, as well as the cylinder head and hardware.

Cylinder specifications:

Cylinder material: aluminum
Cooling type: water-cooled
Bore: 65 mm
Stroke: 50.68 mm
Displacement: 168.2 cc
Compression: 13:1

Compatible with:

Yamaha
DT 125 R 1991-2006
DT 125 RN 80 Km/h 1997-2006
TDR 125 1993-1995