Yamaha F50A - General Information; How to Use This Manual; Safety While Working; Identification

62Y3A11
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General information
How to use this manual.................................................................................1-1
Manual format............................................................................................1-1
Symbols.....................................................................................................1-2
Safety while working......................................................................................1-3
Fire prevention...........................................................................................1-3
Ventilation..................................................................................................1-3
Self-protection ...........................................................................................1-3
Parts, lubricants, and sealants ..................................................................1-3
Good working practices .............................................................................1-4
Disassembly and assembly .......................................................................1-4
Identification...................................................................................................1-5
Applicable models .....................................................................................1-5
Serial number ............................................................................................1-5
Features and benefits....................................................................................1-6
Newly designed four carburetors...............................................................1-6
CDI unit with microcomputer .....................................................................1-7
Lower unit ..................................................................................................1-8
Technical tips ...............................................................................................1-10
Carburetor ...............................................................................................1-10
Acceleration pump...................................................................................1-15
Ignition system.........................................................................................1-17
Ignition timing control...............................................................................1-19
Power trim and tilt....................................................................................1-22
Propeller selection.......................................................................................1-32
Propeller size...........................................................................................1-32
Selection..................................................................................................1-32
Predelivery checks ......................................................................................1-33
Checking the fuel system ........................................................................1-33
Checking the gear oil...............................................................................1-33
Checking the engine oil ...........................................................................1-33
Checking the battery................................................................................1-33
Checking the outboard motor mounting position .....................................1-34
Checking the remote control cables ........................................................1-34
Checking the steering wheel/tiller handle................................................1-34
Checking the gearshift and throttle operation..........................................1-34
Checking the tilt system...........................................................................1-35
Checking the engine start switch and
engine stop switch/engine shut-off switch .............................................1-35
Checking the pilot water outlet ................................................................1-35
Test run ...................................................................................................1-35
Break-in ...................................................................................................1-36
After test run ............................................................................................1-36