Yamaha 90A Owner's Manual page 5

Hour meter ...................................... 23
Oil level indicator (digital type) ........ 24
Overheat-alert indicator .................. 24
Digital speedometer ...................... 24
Speedometer .................................. 24
Fuel gauge ...................................... 25
Trip meter / Clock / Voltmeter ......... 25
Fuel level-alert indicator .................. 26
Low battery voltage-alert
indicator ........................................ 26
Analog tachometer ........................ 26
Analog speedometer ..................... 27
Analog trim meter.......................... 27
Hour meter .................................... 27
Engine control system.................... 28
Alert system .................................. 28
Overheat alert ................................. 28
Oil level alert and oil filter clogging
alert............................................... 28
Installation ....................................... 30
Installation ..................................... 30
Mounting the outboard motor .......... 30
Operation ......................................... 32
First-time operation ....................... 32
Breaking in engine .......................... 32
Getting to know your boat ............... 32
Checks before starting engine ...... 32
Fuel level......................................... 33
Remove cowling.............................. 33
Fuel system..................................... 33
Controls........................................... 33
Engine shut-off cord (lanyard)......... 34
Oil.................................................... 34
Engine ............................................. 34
Operation after a long period of
storage.......................................... 34
Flushing device ............................... 35
Install cowling.................................. 35
Checking power trim and tilt
system .......................................... 36
Battery............................................. 36
Filling fuel and engine oil............... 36
Filling fuel for portable tank ............. 36
Filling oil for electric start models .... 37
Oil level indicator operation............. 39
Table of contents
Operating engine .......................... 39
Feeding fuel (portable tank) ............ 39
Starting engine ................................ 40
Checks after starting engine ......... 43
Cooling water .................................. 43
Warming up engine....................... 43
Electric start and prime start
models .......................................... 43
Checks after engine warm-up ....... 43
Shifting ............................................ 43
Stop switches .................................. 43
Shifting .......................................... 44
Stopping boat................................ 45
Stopping engine ............................ 45
Procedure........................................ 45
Trimming outboard motor.............. 46
Adjusting trim angle (Power trim
and tilt) .......................................... 47
Adjusting boat trim .......................... 48
Tilting up and down....................... 48
Procedure for tilting up (power
trim and tilt models)....................... 49
Procedure for tilting down (power
trim and tilt models)...................... 50
Shallow water................................ 51
Power trim and tilt models ............... 51
Cruising in other conditions........... 52
Maintenance .................................... 53
Transporting and storing
outboard motor ........................... 53
Storing outboard motor ................... 53
Procedure........................................ 53
Lubrication (oil injection models) ..... 54
Flushing power unit ......................... 55
Cleaning the outboard motor........... 55
Checking painted surface of
motor............................................. 56
Periodic maintenance ................... 56
Replacement parts .......................... 56
Severe operating conditions............ 56
Maintenance chart 1........................ 58
Maintenance chart 2........................ 60
Greasing.......................................... 61
Cleaning and adjusting spark
plug ............................................... 61