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New! Now fits the 2019 and newer motors with EFI. Easy bolt-on power for your CRF110F. This is the largest bore kit available that does not require boring your engine cases for additional cylinder sleeve clearance. New aluminum cylinder with steel sleeve, lightweight piston kit and gaskets are included in this complete and ready to go kit.
Stock CRF110F - 50.0mm bore, 55.6mm stroke