Adjusting The Exhaust Gas Volume; Checking The Air Induction System; Checking The Cylinder Head Breather Hose; Replacing The Air Filter Element - Yamaha Tracer MT09TRAH 2017 Service Manual

3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (3)" on page
4-13.
• Rider seat/Passenger seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Front side cowling/Front side panel/Fuel tank
front cover
Refer to "GENERAL CHASSIS (2)" on page
4-6.
EAS30799

ADJUSTING THE EXHAUST GAS VOLUME

TIP
• Be sure to set the CO density level to standard,
and then adjust the exhaust gas volume.
• 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
coupler. For information about connecting the
Yamaha diagnostic tool, refer to "YAMAHA
DIAGNOSTIC TOOL" on page 8-34.
Yamaha diagnostic tool USB
90890-03250
Yamaha diagnostic tool (A/I)
90890-03252
EAS30627

CHECKING THE AIR INDUCTION SYSTEM

Refer to "CHECKING THE AIR INDUCTION
SYSTEM" on page 7-19.
EAS30623
CHECKING THE CYLINDER HEAD
BREATHER HOSE
1. Remove:
• Air filter case
Refer to "GENERAL CHASSIS (3)" on page
4-13.
2. Check:
• Cylinder head breather hose "1"
Cracks/damage  Replace.
Loose connection  Connect properly.
ECA14920
NOTICE
Make sure the cylinder head breather hose is
routed correctly.
PERIODIC MAINTENANCE
a
1
3. Install:
• Air filter case
Refer to "GENERAL CHASSIS (3)" on page
4-13.
EAS30628

REPLACING THE AIR FILTER ELEMENT

1. Remove:
• Fuel tank front cover/Front side panel/Front
side cowling
Refer to "GENERAL CHASSIS (2)" on page
4-6.
• Passenger seat/Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (3)" on page
4-13.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Remove:
• ECU (Engine Control Unit) "1"
• Air filter case cover "2"
Refer to "GENERAL CHASSIS (3)" on page
4-13.
a a
2
3. Check:
• Air filter element "1"
• Air filter seal
Damage  Replace.
TIP
• Replace the air filter element every 40000 km
(24000 mi) of operation.
• The air filter needs more frequent service if you
3-11
1