Yamaha YZ250FM 2021 Owner's Service Manual

INCLUDED PARTS1-8Before connecting to the CCU wireless net-work (in case of initial use of the Power Tun-er app)1. Remove the bolts and side cover (left).2. Remove the CCU and record the CCU serialnumber.3. Install the removed CCU and side cover (left).Connecting to the CCU wireless networkNOTICEECA26060The CCU (Communication Control Unit) usesweak radio waves. The CCU may not work inthe following situations.• The CCU is placed in a location exposed tostrong radio waves or other electromagnet-ic noise• There are facilities nearby that are emittingstrong radio waves (TV or radio towers,power plants, broadcasting stations, air-ports, etc.)• You are carrying or using communicationequipment such as radios or mobilephones in close proximity of the CCU• The CCU is in contact with or covered by ametallic object• Other vehicles equipped with a CCU arenearbyIn such situations, move the CCU to anotherlocation and perform the operation again.1. Turn on the smartphone.2. For two minutes after the start switch ispressed or while the engine is running (theCCU is activated), input the CCU serial num-ber into your smartphone and establish awireless connection.3. Activate the Power Tuner app.TIPIf the CCU wireless network cannot be detected,operate the start switch again.1. Bolt2. Side cover (left)1. CCU coupler2. Holder3. CCU (Communication Control Unit)3. CCU (Communication Control Unit)a. CCU serial number111111222231P/N: --S/N:MAC:COMMUN.CONT.UNIT ASSY.3a