



ATHENA Offroad Connecting Rod Kit - Yamaha YZ/WRF 250F/FX (Ref. P40321021)
Specifically developed for the motocross environment, this ATHENA connecting rod kit meets the demands of a particularly stressed engine segment. Made with advanced materials and treatments, these connecting rods aim to offer a good balance of stiffness-to-weight while improving resistance to cyclic stresses encountered in off-road conditions.
Ideal for riders who frequently tackle off-road sessions, the kit aims to limit deformation under load and maintain mechanical integrity suitable for high RPMs and frequent load impacts characteristic of motocross. The manufacturing process and thermal treatments applied help keep a competitive price without neglecting the durability expected on the track.
For maintenance or engine rebuilding, this ATHENA connecting rod kit is a suitable option for 250 cc motocross-oriented motorcycles. Be sure to check complete compatibility with your model and have the installation performed by a professional to ensure assembly tolerances and crankshaft timing are respected.