TB 130cc Big Bore Kit - TTR110

  Easy bolt-on power. This is the largest bore kit available that does not require boring your engine cases for additional cylinder sleeve clearance. New aluminum cylinder with plated aluminum liner, lightweight piston and gaskets are included in this complete and ready to go kit. Aluminum cylinder with plated aluminum sleeve 55.5mm Lightweight aluminum piston Gasket kit including cylinder head, cylinder base and LH ignition cover gaskets There are no installation instructions, but if you can replace your piston, you can install this kit as the parts are installed in the same manner as the OEM parts.  However, it's highly recommended that a professional install this kit and make sure its tuned properly to prevent a lean condition and damage to your engine.