Zylinder tuning, Hubraum original
Zylinderkit Athena 78mm 250cc Honda CRF250R 04-09/CRF250X 04-13

Zylinder Big Bore MX
Zylinderkit Athena 78mm 290cc Kymco KXR 250 03-06/MXU 250 05-06

Zylinder tuning, racing
Zylinder Big Bore MX

Zylinder Big Bore MX

Zylinder Big Bore MX
Zylinderkit Athena 82mm 280cc Honda CRF250R 04-09/CRF250X 04-13

Zylinder Big Bore MX

Zylinder Big Bore MX

Zylinder Big Bore MX

Zylinder Big Bore MX
Zylinderkit Athena 83mm 250ccHusqvarna TE/TC 250 (i.e.)2008-2009

Zylinder Big Bore MX

Zylinder Big Bore MX
