General information1EMU25170Identification numbers recordEMU25182Outboard motor serial numberThe outboard motor serial number is stampedon the label attached to the port side of theclamp bracket or the upper part of the swivelbracket.Record your outboard motor serial number inthe spaces provided to assist you in orderingspare parts from your Yamaha dealer or forreference in case your outboard motor is sto-len.EMU25190Key numberIf a main key switch is equipped with the mo-tor, the key identification number is stampedon your key as shown in the illustration.Record this number in the space provided forreference in case you need a new key.EMU25220Emission control informationEMU25230North American modelsThis engine conforms to U.S. EnvironmentalProtection Agency (EPA) regulations for ma-rine SI engines. See the label affixed to yourengine for details.EMU25241Approval label of emission control certifi-cateThis label is attached to the bottom cowling.1. Outboard motor serial number location1. Outboard motor serial number location1. Key number
