Yamaha F150B Service Manual page 43

TECH
FEA
Technical features and description
Electronic control system
Engine ECM component ........................................................... 2-2
Sensor, switch and actuator ...................................................... 2-4
Electronic fuel injection control system ..................................... 2-5
Ignition timing control system .................................................. 2-10
Engine speed control system .................................................. 2-13
Idle speed control .................................................................... 2-16
Fail-safe control ....................................................................... 2-17
Power unit system
Outline of system ..................................................................... 2-18
Lubrication system
Cooling system
Intake and exhaust system
Idle exhaust system ................................................................. 2-28
PTT unit
...................................................................................... 2-29
Trim-up and tilt-up function ...................................................... 2-29
Trim ram retraction function .................................................... 2-30
Trim-down and tilt-down function ............................................ 2-31
Stationary condition ................................................................. 2-32
When the outboard hits something in the water ...................... 2-32
....................................................... 2-1
.................................................................. 2-18
................................................................. 2-22
........................................................................ 2-24
................................................... 2-27
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