Honda CRF125F Big Bore Kit (138cc) - TB parts ttr125 All Years CRF125F

All Years CRF125F

Intake Kit port matched to the VM26 and stock cylinder head

52mm piston specially designed to work with your stock cylinder head's combustion chamber

The MiniRacer Factory Series Chain Guide is the best way to avoid a thrown chain

For CRF110 owners - A 10% shift in top end vs bottom end by solely advancing the cam sprocket

Honda CRF125F Big Bore Kit (138cc) - TB parts ttr125 All Years CRF125FTB Big Bore Kit, 138cc CRF125 TBparts 138cc big bore kit for the Honda CRF125. This will make your trail bike a lot more fun to ride by adding some much needed power. With the larger bore, this bolt on upgrade kit will give you more power and higher compression for a very reasonable price. This kit does not require boring of the case simply bolt on, tune (Not included) and go!! This is an ideal option if youre looking to add some power or you just