Generators / ChampionChampion generators: oil, spark plug and filter Pick your Champion generator for the oil, spark plug and air filter its manual specifies. 100155 9000W Dual Fuel Open Frame100263 3400W Dual Fuel Inverter100264 3500W Dual Fuel Inverter100524 3500W Dual Fuel100538 7500W Open Frame100692 2000W Inverter200961 2500W Dual Fuel Inverter200988 4500W Dual Fuel Inverter