Yamaha Mt 01 T 2005 Manual

FEATURES
1-2
EAS20170
FEATURES
ET5YU1009
OUTLINE OF THE FI SYSTEM
The main function of a fuel supply system is to provide fuel to the combustion chamber at the optimum 
air-fuel ratio in accordance with the engine operating conditions and the atmospheric temperature. In 
the conventional carburetor system, the air-fuel ratio of the mixture that is supplied to the combustion 
chamber is created by the volume of the intake air and the fuel that is metered by the jet used in the 
respective carburetor....

FEATURES
1-3
ET5YU1010FI SYSTEM
The fuel pump delivers fuel to the fuel injector via the fuel filter. The pressure regulator maintains the 
fuel pressure that is applied to the fuel injector at only 392 kPa (3.92 kg/cm², 55.7 psi). Accordingly, 
when the energizing signal from the ECU energizes the fuel injector, the fuel passage opens, causing 
the fuel to be injected into the intake manifold only during the time the passage remains open. There-
fore, the longer the length of time the fuel injector is...

FEATURES
1-4
ET5YU1011INSTRUMENT FUNCTIONS
Multifunction display
WARNING
EW5YU1005
Be sure to stop the vehicle before making 
any setting changes to the multifunction dis-
play.
The multifunction display is equipped with the 
following:
a speedometer (which shows the riding speed)
a tachometer (which shows engine speed)
an odometer (which shows the total distance 
traveled)
two tripmeters (which show the distance trav-
eled since they were last set to zero)
a fuel reserve tripmeter (which shows the...

FEATURES
1-5
To set the clock:
1. Push the “SELECT” button and “RESET” but-
ton together for at least two seconds.
2. When the hour digits start flashing, push the 
“RESET” button to set the hours.
3. Push the “SELECT” button, and the minute 
digits will start flashing.
4. Push the “RESET” button to set the minutes.
5. Push the “SELECT” button and then release 
it to start the clock.
Odometer and tripmeter modes
Pushing the “SELECT” button switches the dis-
play between the odometer mode “ODO” and 
the...

FEATURES
1-6
The brightness can be adjusted for the following:
the tachometer panel (item number “1”)
the LCD (item number “2”)
the tachometer needle (item number “3”)
Select the brightness control mode as follows.
1. Turn the key to “OFF”.
2. Push and hold the “SELECT” button.
3. Turn the key to “ON”, and then release the 
“SELECT” button after five seconds.
Item number “1” is displayed.
4. Adjust the tachometer panel brightness level 
by pushing the “RESET” button.
5. Push the “SELECT” button to...

IMPORTANT INFORMATION
1-7
EAS20180
IMPORTANT INFORMATION
EAS20190
PREPARATION FOR REMOVAL AND 
DISASSEMBLY
1. Before removal and disassembly, remove all 
dirt, mud, dust and foreign material.
2. Use only the proper tools and cleaning equip-
ment.
Refer to “SPECIAL TOOLS” on page 1-10.
3. When disassembling, always keep mated 
parts together. This includes gears, cylinders, 
pistons and other parts that have been “mat-
ed” through normal wear. Mated parts must 
always be reused or replaced as an assem-...

IMPORTANT INFORMATION
1-8
EAS20230BEARINGS AND OIL SEALS
Install bearings “1” and oil seals “2” so that the 
manufacturer’s marks or numbers are visible. 
When installing oil seals, lubricate the oil seal 
lips with a light coat of lithium-soap-based 
grease. Oil bearings liberally when installing, if 
appropriate.
CAUTION:
ECA13300
Do not spin the bearing with compressed air 
because this will damage the bearing surfac-
es.
EAS20240
CIRCLIPS
Before reassembly, check all circlips carefully 
and replace...

CHECKING THE CONNECTIONS
1-9
EAS20250
CHECKING THE CONNECTIONS
Check the leads, couplers, and connectors for 
stains, rust, moisture, etc.
1. Disconnect:
Lead
Coupler
Connector
2. Check:
Lead
Coupler
Connector
Moisture → Dry with an air blower.
Rust/stains → Connect and disconnect sev-
eral times.
3. Check:
All connections
Loose connection → Connect properly.
NOTE:
If the pin “1” on the terminal is flattened, bend it 
up.
4. Connect:
Lead
Coupler
Connector
NOTE:
Make sure all connections are...

SPECIAL TOOLS
1-10
EAS20260
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use only 
the appropriate special tools as this will help prevent damage caused by the use of inappropriate tools 
or improvised techniques. Special tools, part numbers or both may differ depending on the country.
When placing an order, refer to the list provided below to avoid any mistakes.
NOTE:
For U.S.A. and Canada, use part number starting with “YM-”, “YU-”, or...

SPECIAL TOOLS
1-11
Compression gauge
90890-03081
Engine compression tester
YU-332233-10
Extension
90890-040823-10
Oil filter wrench
90890-01426
YU-384113-12
Steering nut wrench
90890-01403
Spanner wrench
YU-339753-26, 4-59
Vacuum/pressure pump gauge set
90890-067564-5, 6-9
Fork spring compressor
90890-01441
YM-014414-50, 4-55
Rod holder
90890-01434
Damper rod holder double ended
YM-014344-50, 4-55
Damper rod holder
90890-015044-51, 4-52
Fork seal driver
90890-01442
Adjustable fork seal driver (36–46 mm)...