2009 Yamaha F40 Outboard Service Manual, Page 93Get this manual
Checking the air temperature sensor 5-28 Checking the air pressure sensor 5-28 Checking the thermo sensor 5-28 Checking the neutral switch 5-29 Checking the engine shut-off switch 5-30
Starting units and components 5-30
Checking the starter relay 5-30 Checking the engine start switch 5-31 Checking the neutral switch (tiller handle model) 5-31
Starter motor 5-32
Removing the starter motor 5-34 Checking the starter motor operation 5-34 Checking the magnet switch 5-34 Checking the starter motor pinion 5-34 Disassembling the starter motor 5-35 Checking the starter motor 5-36 Checking the brush 5-37 Assembling the starter motor 5-37 Installing the starter motor 5-39