E4-10EMU01569PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not familiar withmachine servicing, this work should bedone by a Yamaha dealer or other quali-fied mechanic.Maintenance, replacement, or repair ofthe emission control devices and systemsmay be performed by any marine enginerepair establishment or individual. Allwarranty repairs, however, includingthose to the emission control system,must be performed by an authorizedYamaha marine dealership.A service manual is available for purchasethrough a Yamaha dealer for owners whohave the mechanical skills, tools, andother equipment necessary to performmaintenance not covered by this owner’smanual.EMU00356REPLACEMENT PARTSIf replacement parts are necessary, useonly genuine Yamaha parts or equiva-lents of the same type and of equivalentstrength and materials. Any part of inferi-or quality may malfunction, and theresulting loss of control could endangerthe operator and passengers.Yamaha genuine parts and accessoriesare available from a Yamaha dealer.