Yamaha F20A Owner's Manual page 120

EMU00317
Chapter 4
MAINTENANCE
SPECIFICATIONS .....................................4-1
TRANSPORTING AND STORING
OUTBOARD MOTOR ...............................4-5
Trailering outboard motor ...................4-5
Storing outboard motor .......................4-6
PERIODIC MAINTENANCE....................4-11
Replacement parts ..............................4-11
Maintenance chart ..............................4-12
Greasing...............................................4-13
Cleaning and adjusting spark plug ...4-15
Checking fuel system .........................4-17
Inspecting fuel filter ............................4-18
Adjusting idling speed .......................4-19
Changing engine oil............................4-20
Checking timing belt...........................4-22
Replacing fuse.....................................4-23
Checking wiring and connectors.......4-23
Exhaust leakage ..................................4-23
Water leakage......................................4-23
Checking power trim and tilt
system ..................................................4-24
Checking propeller..............................4-25
Changing gear oil................................4-27
Cleaning fuel tank ...............................4-29
Inspecting and replacing anode(s)....4-30
Checking battery .................................4-31
Checking bolts and nuts.....................4-34
Cleaning cooling-water passages .....4-34
Motor exterior .....................................4-35
Coating the boat bottom ....................4-36
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