TBparts 149cc big bore kit for the 2022+ Honda Grom/Monkey 125
Forged 6061 Aluminum Construction: Crafted for outstanding durability and strength
Provides extra protection at the highest temperatures on cylinder walls
Note: This kit is for Honda 50cc and 70cc engines with TBparts 54mm/95cc/117cc Big Bore Kit installed already (No cylinder included)
replacement
Cam Chain, OEM – All Z50, XR50, CRF50, CT70, ATC70, XR/CRF70, SL/XL70 & Others Tank Top TBparts 149cc big bore kitCam Chain, OEM All Z50, XR50, CRF50, CT70, ATC70, XR CRF70, SL XL70 & Others OEM Honda Cam Chain (82L). Due to stretching, its a good idea to replace this item every year or two depending on the hours and abuse you put on your mini. Cheap insurance to prevent damage and keep your engine in tip top shape. We source these directly from Honda for the best price possible.