Updated!! 132cc 55mm Big Bore Kit - Honda CRF110 - TBW9138 pilot jet TBW0859 - Head gasket kit

TBW0859 - Head gasket kit

IMPORTANT NOTE: Installation requires engine disassembly and case boring

44mm Skirt OD & 14

CRF50 XR50 CRF70 XR70 Z50

There are no installation instructions

Updated!! 132cc 55mm Big Bore Kit - Honda CRF110 - TBW9138 pilot jet TBW0859 - Head gasket kitHonda CRF110 55mm 132cc Big Bore Kit Fits: 2013 Current Honda CRF110F Larger bore and piston increases low end torque and overall power within the power band. *Please keep in mind that 2019+ EFI models will require a fuel controller like the aRacer that we sell or an ECU flash from CJR in order to use this kit. Replacement Parts: 132cc Cylinder TBW0891 Piston Kit TBW0892 Gasket Kit TBW0893 Piston Ring Set TBW1009