Yamaha 20D Owner's Manual page 146

EMK00010
Chapter 4
MAINTENANCE
SPECIFICATION DATA.............................4-1
TRANSPORTING AND STORING
OUTBOARD MOTOR ...............................4-7
Trailering outboard motor...................4-7
Storing outboard motor ......................4-8
PERIODIC MAINTENANCE....................4-13
Replacement parts .............................4-13
Maintenance chart..............................4-14
Cleaning and adjusting spark plug...4-15
Checking fuel system.........................4-17
Checking water drain under
engine oil tank ....................................4-17
Inspecting fuel filter ...........................4-18
Adjusting idling speed.......................4-19
Replacing fuse ...................................4-20
Checking wiring and connectors ......4-20
Exhaust leakage..................................4-20
Water leakage .....................................4-20
Greasing ..............................................4-21
Checking propeller .............................4-24
Checking power trim and tilt system..4-26
Changing gear oil ...............................4-27
Cleaning fuel tank...............................4-28
Inspecting and replacing anode .......4-29
Checking battery.................................4-30
Checking bolts and nuts ....................4-33
Motor exterior.....................................4-33
Coating the boat bottom ...................4-33
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