Yamaha MBK X-MAX 300 2017, Service Manual

Page: 267 / 462

CRANKSHAFT
5-72
a. Set the bearing installer “1” on the crank-
case.
TIP
• Align the mark “a” on the bearing installer with
the punch mark “b” on the crankcase.
• The arrow mark “c” on the bearing installer
should point in the direction shown in the illus-
tration.
b. Fit the crankshaft journal bearings “2” into
the bearing installer.
TIP
• Lubricate the crankshaft journal bearings with
engine oil.
• Align the parting edges “a” of the crankshaft
journal bearings with the marks “b” on the bear-
ing installer.
c. Press the crankshaft journal bearings into
the crankcase using the pressure tool “3”
and a press.
2. Measure:
• Install depth of crankshaft journal bearings
• Install depth of oil seal
EAS32341
INSTALLING THE CRANKSHAFT
ASSEMBLY AND BALANCER SHAFT
ASSEMBLY
1. Install:
• Balancer shaft assembly “1”
• Crankshaft assembly “2”
(to the right crankcase)
TIP
Align the punch mark “a” on the crankshaft as-
sembly with the punch mark “b” on the balancer
shaft assembly when installing the parts into the
right crankcase.
Crankshaft metal installation
base set
90890-04181
Crankshaft metal installation
base set
YM-04181
c
1
a
b
2
2
a
b b
Installed depth “a”
2.3–3.1 mm (0.09–0.12 in)
Installed depth “b”
1.0–2.0 mm (0.04–0.08 in)
3
a
a
b
b
1 2
a