Yamaha F90D, Service Manual

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Index
i-2
6D81G11
Checking the piston ring side clearance ...5-42
Checking the piston rings..........................5-41
Checking the power trim and tilt fluid
level.........................................................3-11
Checking the power trim and tilt motor .....7-27
Checking the power trim and tilt
operation .................................................3-11
Checking the power trim and tilt relay.......7-45
Checking the power trim and tilt switch.....7-46
Checking the power trim and tilt system .....1-8
Checking the pressure control valve .........5-38
Checking the pressure regulator...............4-14
Checking the propeller ..............................3-13
Checking the propeller shaft .....................6-12
Checking the propeller shaft housing........6-12
Checking the pulser coils ............................8-8
Checking the Rectifier Regulator ..............8-17
Checking the remote control cables............1-7
Checking the sensor assembly ...................8-8
Checking the shift position switch ...............8-9
Checking the spark plug wires ....................8-7
Checking the spark plugs............................3-6
Checking the starter motor operation........8-16
Checking the starter motor pinion .............8-15
Checking the starter relay .........................8-11
Checking the stator coil.............................8-16
Checking the steering system .....................1-8
Checking the thermostat .............................3-7
Checking the throttle position sensor..........4-9
Checking the tilt cylinder and trim
cylinder....................................................7-39
Checking the timing belt..............................3-6
Checking the timing belt and sprockets ....5-18
Checking the top cowling ............................3-3
Checking the trim sensor ..........................7-46
Checking the valve clearance ...................5-10
Checking the valve guides ........................5-28
Checking the valve lifters ..........................5-27
Checking the valve seat............................5-29
Checking the valve springs .......................5-27
Checking the valves........................ 5-27
,
7-39
Checking the vapor separator ...................4-16
Checking the water pump and shift rod ......6-9
Clamp brackets and swivel bracket ..........7-19
Control system ............................................3-8
Cylinder block ...........................................5-39
Cylinder head............................................5-24
D.
Diagnosing the electronic control
system.....................................................9-18
Dimensions .................................................2-9
Disassembling the cylinder block..............5-40
Disassembling the drive shaft................... 6-17
Disassembling the forward gear ............... 6-17
Disassembling the fuel pump ..................... 4-5
Disassembling the gear pump .................. 7-33
Disassembling the lower case .................. 6-17
Disassembling the oil pan......................... 7-13
Disassembling the oil pump...................... 7-12
Disassembling the oil seal housing ............ 6-9
Disassembling the power trim and tilt
motor ...................................................... 7-27
Disassembling the propeller shaft
assembly ................................................ 6-11
Disassembling the propeller shaft
housing ................................................... 6-11
Disassembling the starter motor ............... 8-15
Disassembling the tilt cylinder .................. 7-38
Disassembling the trim cylinder ................ 7-38
Disassembling the upper case ................. 7-13
Disassembling the vapor separator .......... 4-15
Disassembly and assembly ........................ 1-4
Disconnecting the quick connector........... 4-13
Draining the fuel ....................................... 4-15
Drive shaft and lower case ....................... 6-15
E.
ECM.......................................................... 5-21
Electrical ..................................................... 2-6
Electrical components ................................ 8-3
Electrical systems..................................... 9-17
Exhaust cover........................................... 5-36
F.
Fire prevention............................................ 1-3
Fuel and blowby hoses ............................... 4-2
Fuel control system .................................. 8-10
Fuel filter and fuel pump ............................. 4-3
Fuel system ................................................ 3-3
G.
Gear pump................................................ 7-30
General..................................................... 3-14
General specifications ................................ 2-1
General torques........................................ 2-13
Good working practices .............................. 1-4
H.
Hose routing ............................................... 4-2
How to use this manual .............................. 1-1