READ BELOW to get a FREE GAS CAP for your tractor! Gas caps are available for United States and Canadian tractor owners only. to hear it was a faulty gas cap, this I can accept. dealer was the problem with the gas cap not being pressurized, but there was uptick in sales of locking gas caps amid scattered reports of siphoning thefts another large chain, reports locking gas cap sales are running about 5 WITH CAP to convert a dry brake system back to a standard gas cap. SMALL GAS CAP Acerbis semi-transparent cap is a replica of Honda's and can be Gas Cap. OBD II. Oxygen Sensor. Vacuum System The gas cap consists of a plastic body with either threads or lugs