Yamaha 150 Owner's Manual page 5

Forward (tiller handle and remote
control models) ............................. 33
Reverse (automatic reverse lock
and power trim and tilt models)..... 33
Stopping engine ............................ 33
Procedure ....................................... 33
Trimming outboard motor.............. 34
Adjusting trim angle ........................ 34
Adjusting boat trim .......................... 35
Tilting up and down ....................... 36
Procedure for tilting up .................... 36
Procedure for tilting down ............... 37
Cruising in shallow water .............. 38
Power trim and tilt models /
power tilt models........................... 38
Cruising in other conditions........... 39
Maintenance..................................... 40
Specifications ................................ 40
Transporting and storing outboard
motor ........................................... 41
Storing outboard motor ................... 41
Procedure ....................................... 41
Lubrication (oil injection models)..... 42
Cleaning and anticorrosion
measures ...................................... 43
Battery care..................................... 43
Flushing power unit ......................... 43
Cleaning the outboard motor .......... 44
Checking painted surface of
motor............................................. 44
Periodic maintenance.................... 45
Replacement parts .......................... 45
Maintenance chart .......................... 46
Greasing ......................................... 48
Cleaning and adjusting spark
plug ............................................... 48
Checking fuel system ...................... 49
Inspecting fuel filter ......................... 50
Cleaning fuel filter ........................... 50
Inspecting idling speed ................... 51
Checking water in engine oil tank ... 51
Checking wiring and connectors ..... 51
Exhaust leakage ............................. 51
Water leakage ................................. 52
Checking power trim and tilt
Table of contents
system........................................... 52
Checking propeller .......................... 53
Removing the propeller ................... 54
Installing the Propeller..................... 54
Changing gear oil ............................ 54
Inspecting and replacing
anode(s)........................................ 55
Checking battery (for electric start
models) ......................................... 56
Connecting the battery .................... 57
Disconnecting the battery................ 58
Checking top cowling ...................... 58
Coating the boat bottom .................. 58
Trouble Recovery............................ 59
Troubleshooting ............................ 59
Temporary action in emergency ... 62
Impact damage ............................... 62
Replacing fuse ................................ 62
Power trim and tilt / power tilt will
not operate.................................... 63
Starter will not operate .................... 63
Emergency starting engine ............. 64
Engine fails to operate .................. 65
Ignition system malfunction ............. 65
Low oil level warning activates ........ 65
Treatment of submerged motor .... 66
Procedure........................................ 66
Consumer information ................... 68
Important warranty information for
U.S.A. and Canada ..................... 68
YAMAHA MOTOR
CORPORATION, U.S.A.
OUTBOARD MOTOR TWO
YEAR LIMITED WARRANTY ..... 70
IMPORTANT WARRANTY
INFORMATION IF YOU USE
YOUR YAMAHA OUTSIDE THE
USA OR CANADA ...................... 73