Removing The Drive Shaft; Disassembling The Drive Shaft Housing; Disassembling The Reverse Gear; Disassembling The Lower Case - Yamaha F150B Service Manual

LOWR

Removing the drive shaft

See "Removing the drive shaft" (8-16) step 1
and step 2.
1. Pull out the reverse gear assembly.
Disassembling the drive shaft
housing
See "Disassembling the drive shaft housing"
(8-16).

Disassembling the reverse gear

1. Remove the roller bearing inner race a.
c
b
Bearing separator b: 90890-06534
Needle bearing attachment c:
90890-06608
2. Remove the needle bearings from the
reverse gear.

Disassembling the lower case

• Use heat-resistant gloves, otherwise
burns could result.
• Remove any flammable substances,
such as gasoline and oil, around the
working area to avoid the risk of fire.
• Heat the lower case in a well-ventilated
area.
1. Remove the water inlet covers.
2. Remove the needle bearing a.
8-61
Lower unit
a
c
b
b
Ball bearing attachment b: 90890-06636
Driver rod LL c: 90890-06605
TIP:
Make sure to remove the reverse gear before
removing the needle bearing.
3. Heat the installation area of the roller
bearing in the lower case with a gas
torch, and then remove the roller bearing
d and shim(s) (T1) e. NOTICE: When
heating the lower case, heat the entire
installation area evenly. Otherwise,
the paint on the lower case could be
burned.
TIP:
• Before removing the roller bearing d, place
some cushioning material below the lower
case to catch the outer race when it falls
out.
• If the roller bearing does not come out,
lightly tap the lower unit torpedo with a
plastic hammer.
c
a
e
d