Periodic Checks And Adjustments; Fuel System; Power Unit; Lower Unit - Yamaha F90D Service Manual

Symbols

The symbols below are designed to indicate the content of a chapter.
General information
GEN
INFO
Specifications
SPEC

Periodic checks and adjustments

CHK
ADJ
Symbols 1 to 6 indicate specific data.
1 2
1 Special tool
2 Specified oil or fluid
3 Specified engine speed
4 Specified tightening torque
Symbols 7 to C in an exploded diagram indicate the grade of lubricant and the lubrication point.
7 8
E G
7 Apply Yamaha 4-stroke motor oil
8 Apply gear oil
9 Apply water resistant grease (Yamaha grease A)
0 Apply molybdenum disulfide grease
Symbols D to H in an exploded diagram indicate the type of sealant or locking agent and the appli-
cation point.
D E
GM
D Apply Gasket Maker
E Apply LOCTITE 271 (red)
F Apply LOCTITE 242 (blue)
6D81G11

Fuel system

FUEL

Power unit

POWR

Lower unit

LOWR
3 4
5 Specified measurement
6 Specified electrical value
9 0
A M
A Apply corrosion resistant grease
B Apply low temperature resistant grease
C Apply injector grease
F
LT LT
271 242
G Apply LOCTITE 572
H Apply silicon sealant
How to use this manual

Bracket unit

BRKT
Electrical systems
ELEC
Troubleshooting
TRBL
SHTG
5
(resistance, voltage, electric current)
A B
D
(Yamaha grease D)
(Yamaha grease C)
G
LT
572
– +
6
C
C I
H
SS
1-2
1
2
3
4
5
6
7
8
9