Kitaco Crank Shaft Assembly made for the Honda Grom 125 2014-2020 and Honda Monkey 125 2018-2021 with a big bore kit of at least 164cc and above. H-Beam forged connecting rod assembled together with a brand new crank designed to handle the additional stress from a high compression big bore kit.
309-1432100
Since the Kitaco H-Beam connecting rod is much larger than stock, there will be cylinder skirt interference with stock cylinder kits or kits under 164cc. It is designed to be used with cylinder kits that is at least 60mm bore.
