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F90D
Yamaha F90D Service Manual
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Yamaha F90D Service Manual
Also see for F90D:
Ower's manual
Table of content
Contents
important information
Table Of Contents
Table Of Contents
General information
Periodic checks and adjustments
Fire prevention
Good working practices
Applicable model
Selection
Checking the gear oil level
Checking the power trim and tilt system
Checking the cooling water pilot hole
general specifications
maintenance specification
tightening torques
Periodic checks and adjustments
Table Of Contents
special service tools
maintenance interval chart
fuel system
checking the engine oil
replacing the oil filter
checking the spark plugs
checking the thermostat
checking the gear shift operation
checking the power trim and tilt operation
checking the lower unit for air leakage
checking the anodes
Fuel system
Table Of Contents
hose routing
fuel filter and fuel pump
checking the fuel pump
intake manifold
checking the throttle position sensor
reducing the fuel pressure
checking the pressure regulator
removing the fuel hose clamp
adjusting the float
checking the canister
Power unit
Table Of Contents
Table Of Contents
checking the compression pressure
replacing the timing belt
removing the power unit
removing the timing belt and sprockets
throttle link
junction box
cylinder head
checking the valve seat
refacing the valve seat
checking the camshafts
checking the cylinder head
installing the valves
exhaust cover
cylinder block
checking the cylinder bore
checking the connecting rod big end side clearance
selecting the connecting rod bearing
checking the crankshaft journal oil clearance
selecting the main bearing
assembling the power unit
installing the power unit
Lower unit
Table Of Contents
removing the water pump and shift rod
propeller shaft housing
assembling the propeller shaft housing
drive shaft and lower case
assembling the lower case
installing the water pump and shift rod
selecting the pinion shims
selecting the forward gear shims
Bracket unit
Table Of Contents
Table Of Contents
shift rod
bottom cowling
checking the drive shaft bushing
checking the oil strainer
assembling the upper case
steering arm
clamp brackets and swivel bracket
removing the clamp brackets
power trim and tilt unit
power trim and tilt motor
disassembling the power trim and tilt motor
assembling the power trim and tilt motor
gear pump
disassembling the gear pump
tilt cylinder and trim cylinder
assembling the tilt cylinder
assembling the power trim and tilt unit
bleeding the power trim and tilt unit
power trim and tilt electrical system
checking the trim sensor
Electrical systems
Table Of Contents
checking the electrical components
electrical components
bow view
ignition and ignition control system
checking the ecm
checking the oil pressure switch
fuel control system
checking the main and fuel pump relay (fuel control)
starter motor
disassembling the starter motor
checking the rectifier regulator
electrical systems
Table Of Contents
LOWR
Lower unit
6-5
6D81G11
6
No.
Part name
Q
’
ty
Remarks
18
Dowel
2
X-transom model
19
Extension
1
X-transom model
20
Stud bolt
4
M10
×
180 mm/X-transom model
21
Washer
4
X-transom model
22
Spring washer
4
X-transom model
23
Nut
4
X-transom model
24
Bolt
1
M8
×
190 mm/X-transom model
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This manual is suitable for:
F90D
F90TR
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