Assembling The Crankshaft - Yamaha 250GETO Service Manual

POWR
2. Measure the crankshaft runout. Replace
the crankshaft if above specification.
c c
Crankshaft runout limit c:
0.02 mm (0.0008 in)

Assembling the crankshaft

1. Install the oil pump drive gear 1.
b
cC
Do not reuse the oil pump drive gear,
always replace it with a new one.
General pipe 2:
a = 50 mm (1.97 in)
b = 80 mm (3.14 in) or more
Support 3:
90890-02394
5-35
Power unit
c
6S350100
2
a
1
E
3
S60V5930
2. Install the lower ball bearing 4, then the
circlip.
b
cC
Do not reuse the ball bearing, always
replace it with a new one.
General pipe 2:
a = 50 mm (1.97 in)
b = 80 mm (3.14 in) or more
Support 3:
90890-02394
3. Install the upper ball bearing 5.
e
d
5
cC
Do not reuse the ball bearing, always
replace it with a new one.
2
a
4
E
3
S60V5940
6
c
E
3
S60V5950
6S35H11