Yamaha F150B Service Manual

Also see for F150B: Owner's manual Service manual Owner's manual

012345678910AChecking the Rectifier Regulator ............................................. 5-27Ignition units and components ........................................... 5-28Checking the ignition spark ..................................................... 5-28Checking the spark plug wire .................................................. 5-28Checking the ignition coil ......................................................... 5-29Checking the pulser coil .......................................................... 5-30Checking the air temperature sensor ...................................... 5-31Checking the air pressure sensor ............................................ 5-32Checking the engine temperature sensor ............................... 5-33Checking the thermoswitch ..................................................... 5-34Checking the shift cut switch ................................................... 5-36Checking the neutral switch .................................................... 5-37Checking the engine shut-off switch ........................................ 5-37Starting units and components ........................................... 5-38Checking the starter relay ....................................................... 5-38Checking the engine start switch ............................................. 5-39Checking the neutral switch (remote control) .......................... 5-39Starter motor ............................................................................ 5-40Removing the starter motor ..................................................... 5-42Checking the starter motor operation ...................................... 5-42Checking the magnet switch ................................................... 5-42Checking the starter motor pinion ........................................... 5-42Disassembling the starter motor .............................................. 5-43Checking the starter motor ...................................................... 5-44Checking the brush ................................................................. 5-45Assembling the starter motor .................................................. 5-45Installing the starter motor ....................................................... 5-47PTT system ............................................................................... 5-48Checking the PTT relay ........................................................... 5-48Checking the PTT switch (on bottom cowling) ........................ 5-49Checking the trim sensor ......................................................... 5-50