2009 Yamaha F40 Outboard Service Manual, Page 35Get this manual
TECH FEA
Technical features and description
Engine control system 2-1
Outline 2-1 Throttle body 2-4 Pulser coil 2-5 Ignition timing control 2-6 Fuel injection control 2-7 Engine speed control 2-8 Failsafe 2-10
Electronic control system 2-11
Digital network system 2-11 Variable trolling speed control 2-12
Power unit 2-13
Outline 2-13