Yamaha F50A Service Manual

Also see for FT50C: Servise manual Service manual Owner's manual Owner's manual Owner's manual

Contents

62Y3A11GENINFO12345678IGeneral informationHow to use this manual ................................................................................. 1-1Manual format............................................................................................ 1-1Symbols..................................................................................................... 1-2Safety while working......................................................................................1-3Fire prevention........................................................................................... 1-3Ventilation..................................................................................................1-3Self-protection ........................................................................................... 1-3Parts, lubricants, and sealants ..................................................................1-3Good working practices .............................................................................1-4Disassembly and assembly ....................................................................... 1-4Identification...................................................................................................1-5Applicable models .....................................................................................1-5Serial number ............................................................................................ 1-5Features and benefits .................................................................................... 1-6Newly designed four carburetors............................................................... 1-6CDI unit with microcomputer ..................................................................... 1-7Lower unit ..................................................................................................1-8Technical tips ...............................................................................................1-10Carburetor ...............................................................................................1-10Acceleration pump...................................................................................1-15Ignition system......................................................................................... 1-17Ignition timing control............................................................................... 1-19Power trim and tilt....................................................................................1-22Propeller selection ....................................................................................... 1-32Propeller size........................................................................................... 1-32Selection.................................................................................................. 1-32Predelivery checks ......................................................................................1-33Checking the fuel system ........................................................................1-33Checking the gear oil............................................................................... 1-33Checking the engine oil ...........................................................................1-33Checking the battery................................................................................ 1-33Checking the outboard motor mounting position ..................................... 1-34Checking the remote control cables ........................................................ 1-34Checking the steering wheel/tiller handle ................................................ 1-34Checking the gearshift and throttle operation..........................................1-34Checking the tilt system...........................................................................1-35Checking the engine start switch andengine stop switch/engine shut-off switch ............................................. 1-35Checking the pilot water outlet ................................................................1-35Test run ................................................................................................... 1-35Break-in ................................................................................................... 1-36After test run ............................................................................................ 1-36