Yamaha 15F Owner's Manual page 5

Engine shut-off cord (lanyard) .......... 22
Oil ..................................................... 23
Engine .............................................. 23
Install top cowling ............................ 23
Filling fuel and engine oil............... 23
Filling fuel for portable tank.............. 23
Gasoline and oil mixing (100:1) ........ 24
Operating engine........................... 25
Sending fuel (portable tank) ............. 26
Starting engine ................................. 26
Checks after starting engine ......... 28
Cooling water ................................... 28
Warming up engine ....................... 28
Choke start models .......................... 28
Checks after engine warm up ....... 28
Shifting ............................................. 28
Stop switches................................... 29
Shifting .......................................... 29
Stopping boat ............................... 30
Stopping engine ............................ 30
Procedure......................................... 30
Trimming outboard motor ............. 31
Adjusting trim angle for manual tilt
models .......................................... 31
Adjusting boat trim........................... 32
Tilting up and down ...................... 32
Procedure for tilting up (manual tilt
models) ......................................... 33
Procedure for tilting down (manual
tilt models) .................................... 34
Shallow water ............................... 34
Cruising in shallow water (manual
tilt models) .................................... 34
Cruising in other conditions .......... 35
Maintenance .................................... 36
Transporting and storing outboard
motor.......................................... 36
Clamp screw mounting models ....... 36
Storing outboard motor.................... 37
Procedure......................................... 37
Lubrication ....................................... 38
Cleaning the outboard motor ........... 38
Table of contents
Checking painted surface of
outboard motor ............................. 38
Periodic maintenance ................... 38
Replacement parts ........................... 39
Severe operating conditions ............ 39
Maintenance chart 1......................... 40
Maintenance chart 2......................... 41
Greasing ........................................... 42
Cleaning and adjusting spark plug... 43
Checking fuel filter............................ 43
Inspecting idle speed ....................... 43
Inspecting wiring and connectors .... 44
Checking propeller ........................... 44
Removing propeller .......................... 45
Installing propeller ............................ 45
Changing gear oil ............................. 46
Cleaning fuel tank............................. 47
Inspecting and replacing anode(s) ... 48
Trouble Recovery............................ 49
Troubleshooting............................ 49
Temporary action in emergency ... 52
Impact damage ................................ 52
Starter will not operate ..................... 52
Emergency starting engine............... 53
Treatment of submerged motor.... 54
INDEX ............................................... 55