Yamaha F150B - Technical features and description; Electronic control system; Power unit system; Lubrication system

TECH
FEA
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A
Technical features and description 2
Electronic control system ....................................................... 2-1
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 .................................................................. 2-18
Outline of system ..................................................................... 2-18
Lubrication system ................................................................. 2-22
Cooling system ........................................................................ 2-24
Intake and exhaust system ................................................... 2-27
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