Checking The Exhaust System; Adjusting The Exhaust Gas Volume; Replacing The Air Filter Element - Yamaha MBK MW125 2014 Service Manual

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"
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)
7
6
EAS30799

ADJUSTING THE EXHAUST GAS VOLUME

TIP
• Be sure to set the CO density level to standard,
and then adjust the exhaust gas volume.
2
4
3
1
5
PERIODIC MAINTENANCE
• 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.
Yamaha diagnostic tool
90890-03231
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"
3-8
1
1
2