Yamaha F250B Owner's Manual page 5

Overheat alert................................... 31
Water separator alert........................ 32
Engine trouble alert .......................... 32
Low battery voltage-alert .................. 32
6Y8 Multifunction speed & fuel
meters ........................................ 32
6Y8 Multifunction speedometers ... 33
6Y8 Multifunction fuel
management meters .................. 34
Engine control system.................... 35
Alert system .................................. 35
Digital Electronic Control alert .......... 35
Overheat alert................................... 35
Low oil pressure alert ....................... 36
Installation ....................................... 38
Installation ..................................... 38
Mounting the outboard motor ........... 38
Operation ......................................... 40
First-time operation ....................... 40
Fill engine oil .................................... 40
Breaking in engine............................ 40
Getting to know your boat ................ 40
Checks before starting engine ...... 40
Fuel level .......................................... 40
Remove cowling ............................... 41
Fuel system ...................................... 41
Controls ............................................ 41
Engine shut-off cord (lanyard) .......... 42
Engine oil.......................................... 42
Engine .............................................. 43
Flushing device ................................ 43
Install cowling ................................... 43
Checking power trim and tilt
system........................................... 44
Battery .............................................. 45
Filling fuel ...................................... 45
Operating engine........................... 46
Sending fuel ..................................... 46
Starting engine ................................. 46
Checks after starting engine ......... 49
Cooling water ................................... 49
Warming up engine ....................... 49
Electric start models ......................... 49
Table of contents
Checks after engine warm up ....... 49
Shifting ............................................. 49
Stop switches ................................... 49
Selecting outboard motor
(triple engine) ............................. 49
Shifting .......................................... 51
Stopping boat................................ 53
Operating the port / center /
starboard engine........................ 53
Boat direction ................................ 56
Stopping engine ............................ 58
Procedure for stopping engine ......... 58
Trimming outboard motor.............. 59
Adjusting trim angle
(Power trim and tilt) ....................... 59
Adjusting boat trim............................ 60
Tilting up and down....................... 61
Procedure for tilting up
(power trim and tilt models)........... 62
Procedure for tilting down
(power trim and tilt models)........... 64
Shallow water................................ 64
Power trim and tilt models ................ 64
Cruising in other conditions........... 66
Maintenance .................................... 67
Transporting and storing outboard
motor.......................................... 67
Storing outboard motor..................... 67
Procedure......................................... 68
Lubrication........................................ 68
Flushing power unit .......................... 69
Checking painted surface of
outboard motor.............................. 69
Periodic maintenance ................... 70
Replacement parts ........................... 70
Severe operating conditions............. 70
Maintenance chart 1......................... 71
Maintenance chart 2......................... 73
Greasing ........................................... 74
Cleaning and adjusting spark plug ... 75
Inspecting idling speed ..................... 76
Changing engine oil.......................... 76
Inspecting wiring and connectors ..... 78