Yamaha MBK MW125 2014, Service Manual

Page: 269 / 380

CRANKSHAFT
5-66
TIP
Hold the connecting rod at top dead center
(TDC) with one hand while turning the nut of the
crankshaft installer bolt with the other. Turn the
crankshaft installer bolt until the crankshaft as-
sembly bottoms against the bearing.
2. Install:
• Oil pump drive gear “1”
TIP
Install the oil pump drive gear with the crankshaft
installer pot “2”, crankshaft installer bolt “3”, and
adapter “4”.
EAS31246
ASSEMBLING THE CRANKCASE
1. Thoroughly clean all the gasket mating sur-
faces and crankcase mating surfaces.
2. Apply:
• Sealant
(onto the crankcase mating surfaces)
TIP
Do not allow any sealant to come into contact
with the oil gallery.
3. Install:
• Crankcase bolts
TIP
Tighten the crankcase bolts in stages and in a
crisscross pattern.
EAS31247
INSTALLING THE CENTERSTAND
1. Install:
• Centerstand
• Springs “1”
TIP
• Install the springs so that the hooked ends of
the springs are pointing in the directions shown
in the illustration.
• Make sure that the hooked end “a” of the spring
with the larger diameter is positioned to the
outside.
• Make sure that the hooked end “b” of the spring
with the smaller diameter is positioned to the
outside.
Crankshaft installer pot
90890-01274
Installing pot
YU-90058
Crankshaft installer bolt
90890-01275
Bolt
YU-90060
Adapter (M12)
90890-01278
Adapter #3
YU-90063
Yamaha bond No. 1215
90890-85505
(Three bond No.1215®)
1
4
2
3
T
R
.
.
Crankcase bolt
11 Nm (1.1 m·kgf, 8.0 ft·lbf)
a
1 b