Yamaha 90A - Lower Unit Assembly and Adjustment

6-12
E
LOWR
ASSEMBLY AND ADJUSTMENT
161009-0*
ASSEMBLY AND ADJUSTMENT
PROPELLER-SHAFT HOUSING
1. Install the thrust washer and press-fit a
ball-bearing to the reverse gear.
Å 50GETO
2. Install a needle-bearing and oil seals,
and then press-fit the reverse gear com-
plete into the bearing housing.
NOTE:
Install the needle bearing with its manufac-
ture's marks or numbers facing outward.
Å For USA and Canada
ı Except for USA and Canada
Depth a:
50 hp : 20.7 mm (1.06 in)
60 ~ 90 hp: 25.5 mm (1.00 in)
Drive rod:
YB-6071/90890-06604 ........... 1
Needle bearing attachment:
50 hp: 90890-06614 ............... 2
60 ~ 90 hp:
YB-6152/90890-06611 ........ 3
Bearing depth plate:
90890-06603........................... 4
Depth b:
5 mm (0.20 in)
Driver rod:
YB-6071.................................. 5
Oil seal attachment:
60 ~ 90 hp:
YB-6259 .............................. 6
1
2
Å
2 3
ı
1
4