EXTREME
The new Athena Offroad Big Bore cylinder kits
Unique on the market
HONDA & YAMAHA
Athena launches the brand new Big Bore Extreme Cylinder Kits for Offroad motorcycles, with increased bore for Honda CRF R 250cc, Honda CRF RX 250cc, Yamaha WR F 250cc and Yamaha YZ F 250cc applications, for a power boost!
These new Big Bore Extreme Cylinder Kits, with bore increased to Ø 85mm, are installed without making any crankcase machining. They increase the displacements of Yamaha and Honda bikes up to 304cc and 288cc, respectively.
-
HONDA -
YAMAHA