Yamaha YZ125 2022, Owner'S Service Manual, Page: 201 / 278

CRANKCASE
5-41
3. Apply:
• Sealant
(on the crankcase (right) “1”)
TIP
Clean the contacting surface of crankcase
(left/right) before applying the sealant.
4. Install:
• Dowel pin “1”
•
O-ring “2”
5. Install:
• Crankcase (right) “1”
Use the crankshaft installing tools “2”, “3”, “4”.
TIP
•
Apply molybdenum disulfide grease to the sur-
face “a” where the crankshaft and bearing
come in contact.
• If you use the tools starting from “90890-”, in-
stead of the spacer “5” use two plain washers
(Yamaha genuine: 90201-243K3) “6” or the
ones of a size as shown placed on top of each
other.
•
If you use the washers in the installation, install
the washers so that they do not deviate from
the crankshaft center.
• When installing the crankcase, the connecting
rod should be positioned at TDC (top dead
center).
•
Make sure that the dowel pin is in place.
6. Install:
•
Holder “1”
•
Holder bolt “2”
TIP
Install the holder “1” so that the flat surface faces
to the right side of the vehicle.
Yamaha bond No. 1215
90890-85505
Three bond No. 1215®
1 2
1–2 mm
(0.04–0.08 in)
1–2 mm
(0.04–0.08 in)
New
Crankshaft installer pot
90890-01274
Installing pot
YU-90058
Crankshaft installer bolt
90890-01275
Bolt
YU-90060
Adapter (M8)
90890-01499
Adapter (M8)
YM-01499
Holder bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
LOCTITE®
M
a
3
1
2
4
6
5
4–5 mm
(0.16–0.20 in)
25–38 mm
(0.98–1.50 in)
45–50 mm
(1.77–1.97 in)
T
R
.
.