Assembling The Crankshaft Roller Bearing; Assembling The Oil Seal Housing - Yamaha 250GETO Service Manual

NOTE:
Install the upper ball bearing with the projec-
tion c facing toward the wave side of crank-
shaft.
General pipe 6:
d = 45 mm (1.77 in)
e = 100 mm (3.93 in)
Support 3:
90890-02394
4. Install the seal rings 7
g
f
E
NOTE:
First pass the seal ring 7 over the crankpin
f, and then widen the seal ring end gap g
to install the ring into the crankshaft groove.
5. Install the main bearings onto the crank-
shaft.
E
NOTE:
Face the dowel hole on the main bearings
toward the bottom of the power unit.
Assembling the crankshaft roller
bearing
1. Apply grease to the new oil seal, and
then install it into the roller bearing.
6S35H11
7
S60V5960
S60V5965
1
Bearing outer race attachment 1:
90890-06624
Driver rod LS 2: 90890-06606
2. Install a new O-ring 3 and the stopper
ring 4 onto the roller bearing, and then
install the roller bearing assembly onto
the crankshaft 5.
3
5

Assembling the oil seal housing

1. Apply grease to the new oil seals and
then install them into the oil seal housing.
2
1
A A
Needle bearing attachment 1:
90890-06654
Driver rod L3 2: 90890-06652
Crankcase
2
1
1
A A
2
S60V5980
3
4
4
5
S60V5990
6
7
1
8
S60V5A10
9
5-36