Yamaha F150A, Service Manual

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How to use this manual
Manual format
The format of this manual has been designed to make service procedures clear and easy to under-
stand. Use the following information as a guide for effective and quality service.
• Parts are shown and detailed in an exploded diagram and are listed in the component list (see “1”
in the following figure for an example page).
• The component list consists of part names and quantities, as well as bolt and screw dimensions
(see “2” in the following figure).
• Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant and
the lubrication points (see “3” in the following figure).
• Tightening torque specifications are provided in the exploded diagrams (see “4” in the following
figure), and in the related detailed instructions. Some torque specifications are listed in stages as
torque figures or angles in degrees.
• Separate procedures and illustrations are used to explain the details of removal, checking, and
installation where necessary (see “5” in the following figure for an example page).
TIP:
For troubleshooting procedures, See Chapter 4, “Troubleshooting”.
8-6
Lower unit (regular rotation model, X-transom model)
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Lower unit (regular rotation model, X-transom model)
s k r a m e R y t ’ Q e m a n t r a P . o N
2 e l p p i n e s o H 1
e l b a s u e r t o N 2 g n i r - O 2
1 w e r c s k c e h C 3
e l b a s u e r t o N 2 t e k s a G 4
0 1 M 2 1 t l o B 5
×
45 mm
1 n o i s n e t x E 6
4 l e w o D 7
2 r e v o C 8
2 l a e S 9
1 e p i p r e t a W 0 1
1 e p i p r e t a W 1 1
1 t e m m o r G 2 1
0 1 M 1 t l o B 3 1
×
45 mm
1 t i n u r e w o L 4 1
1 r e c a p S 5 1
1 r e ll e p o r P 6 1
r e ll e p o r p S D S t p e c x E 1 r e c a p S 7 1
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43 N·m (4.3 kgf·m, 31.7 ft·lb)
48 N·m (4.8 kgf·m, 35.4 ft·lb)
48 N·m (4.8 kgf·m, 35.4 ft·lb)
48 N·m (4.8 kgf·m, 35.4 ft·lb)
55 N·m (5.5 kgf·m, 40.6 ft·lb)
9 N·m (0.9 kgf·m, 6.6 ft·lb)
9 N·m (0.9 kgf·m, 6.6 ft·lb)
8-24
Drive shaft and lower case (regular rotation model)
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3. Install a new O-ring “1”.
Assembling the lower case
• Use heat-resistant gloves. Otherwise,
burns could result.
• To prevent fires, remove any flammable
substances, such as gasoline and oil,
around the working area.
• Keep good ventilation while working.
1. Install the original forward gear shims “1”.
2. Heat the area of the lower case where
the taper roller bearing outer race is to be
installed using a gas torch, and then
install a new taper roller bearing outer
race “2”.
When heating the lower case, heat the
entire installation area evenly. Otherwise,
the paint on the lower case could be
burned.
TIP:
Do not reuse a shim if deformed or
scratched.
3. While holding the special service tool “1”,
strike the tool to check that the taper
roller bearing outer race is installed prop-
erly.
TIP:
If a high-pitched metallic sound is produced
when the special service tool is struck, the
outer race is installed properly.
Bearing outer race attachment “2”:
90890-06628
Driver rod LS “3”: 90890-06606
Installation depth “a”:
0.25–0.75 mm (0.010–0.030 in)
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