S3 BIG BORE KIT | MONTESA <2017

Big bore kit for the Montesa trials motorcycle 2016 and older. This kit increases the diameter of the piston by 2 mm which will help the engine generate more power. Comes with cylinder, piston, and all necessary gaskets for the conversion. High quality product. More capacity gives the engine more torque on bottom and more power on revs. The engine is very smooth on low RPM, and very powerful on high RPM.