ATHENA offers you this replacement bi-ring piston for the ATHENA Big Bore P400210100033 top engine mounted on HONDA CRF 250cc. This piston will restore your cylinder to its original performance. Ideal in case of wear, it is available in dimension A in 81.95mm, B in 81.96mm and C in 81.97mm. This piston is delivered with its rings, pin and clips in C. We strongly advise you to fit the piston with new seals to avoid any loss of compression. We recommend changing the piston every 10,000 km or 35 hours maximum!

Fits on:

HONDA CRF 250cc R 2010

HONDA CRF 250cc R 2011

HONDA CRF 250cc R 2012

HONDA CRF 250cc R 2013

HONDA CRF 250cc R 2014

HONDA CRF 250cc R 2015

HONDA CRF 250cc R 2016

HONDA CRF 250cc R 2017