top of page

CRF150R Athena Big Bore Kit 69mm


This is an aftermarket big bore kit manufactured by "Athena". Fitting this kit will increase BHP and performance taking your engine from 150cc to 164cc.


Athena big bore kit has been designed with a nickel carbine coated cylinder with oversized water jackets to disapate heat faster.


69mm piston kit included (standard size 66mm).



  • HONDA CRF150R - 2007 > 2010


This kit includes:

  • Athena 69mm Cylinder
  • Complete 69mm Piston Kit
  • Cylinder Base Gasket
  • Cylinder Head Gasket
  • Timing Tensioner Gasket
  • Exhaust Gasket


Please NOTE this kit must be fitted by a professional and carb adjustments maybe needed.

CRF150R Big Bore Kit 69mm - 164cc

Out of Stock
    bottom of page