Yamaha F90B Outboard Motor User Manual


 
EMU00317
Chapter 4
MAINTENANCE
SPECIFICATIONS .....................................4-1
TRANSPORTING AND STORING
OUTBOARD MOTOR ...............................4-3
Trailering outboard motor...................4-3
Storing outboard motor ......................4-4
PERIODIC MAINTENANCE......................4-8
Replacement parts ...............................4-8
Maintenance chart................................4-9
Greasing..............................................4-10
Cleaning and adjusting spark plug...4-11
Checking fuel system.........................4-13
Inspecting fuel filter ...........................4-14
Adjusting idling speed.......................4-16
Changing engine oil...........................4-17
Checking timing belt..........................4-19
Replacing fuse ....................................4-20
Checking wiring and connectors......4-21
Exhaust leakage..................................4-21
Water leakage.....................................4-21
Checking power trim and tilt
system
..................................................4-22
Checking propeller .............................4-23
Changing gear oil...............................4-25
Inspecting and replacing anodes......4-26
Checking battery.................................4-27
Checking bolts and nuts ....................4-30
Cleaning cooling-water passages.....4-30
Motor exterior.....................................4-31
Coating the boat bottom ...................4-32
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