Yamaha MBK MW125 2014, Service Manual

Page: 89 / 380

PERIODIC MAINTENANCE
3-8
3. Install:
• Storage box
Refer to “GENERAL CHASSIS (2)” on page
4-3.
EAS30625
CHECKING THE EXHAUST SYSTEM
1. Check:
• Exhaust pipe “1”
• Muffler “2”
Cracks/damage
→
Replace.
• Gaskets “3”, “4”
Exhaust gas leaks
→
Replace.
2. Check:
Tightening torque
• Exhaust pipe nuts “5”
• Muffler joint bolt “6”
• Muffler bolts “7”
EAS30799
ADJUSTING THE EXHAUST GAS VOLUME
TIP
• Be sure to set the CO density level to standard,
and then adjust the exhaust gas volume.
• To adjust the exhaust gas volume, use the CO
adjustment mode of the Yamaha diagnostic
tool. For more information, refer to the opera-
tion manual of the Yamaha diagnostic tool.
1. Connect the Yamaha diagnostic tool to the
connector. For information about connecting
the Yamaha diagnostic tool, refer to
“YAMAHA DIAGNOSTIC TOOL” on page
8-29.
EAS30628
REPLACING THE AIR FILTER ELEMENT
TIP
Check the air filter check hose “1” that is located
on the rear side of the air filter case. If dust or
water or both collects in the hose, clean the hose
and replace the air filter element.
1. Remove:
• Air filter case cover “1”
• Air filter element “2”
T
R
.
.
Exhaust pipe nut
20 Nm (2.0 m·kgf, 14 ft·lbf)
Muffler joint bolt
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Muffler bolt
53 Nm (5.3 m·kgf, 38 ft·lbf)
2
3
6
7
5
1
4
Yamaha diagnostic tool
90890-03231
1
1
2