2018 YAMAHA MT-03 fuse

Table of contents
Safety information ............................1-1
Description ........................................2-1
Left view ..........................................2-1
Right view........................................2-2
Controls and instruments ................2-3
Instrument an d control functions ....3-1
Main switch/steering lock ...............3-1
Indicator lights and warning lights...............................3-2
Multi-function meter unit .................3-4
Handlebar switches.......................3-11
Clutch lever ...................................3-12
Shift pedal .....................................3-13
Brake lever ....................................3-13
Brake pedal ...................................3-14
ABS ...............................................3-14
Fuel tank cap.................................3-15
Fuel................................................3-16
Fuel tank overflow hose ................3-17
Catalytic converter ........................3-18
Seats .............................................3-18
Helmet holders ..............................3-20
Storage compartment ...................3-21
Adjusting the shock absorber assembly ....................3-21
Luggage strap holders ..................3-22
Sidestand ......................................3-23
Ignition circuit cut-off system........3-23
For your safety – pre-
operation checks ..............................4-1
Operation an d important
ri din g points ......................................5-1
Starting the engine ..........................5-2
Shifting ............................................5-3
Engine break-in ...............................5-4
Parking ............................................5-4
Perio dic maintenance
an d a djustment .................................6-1
Owner’s tool kit ...............................6-2
Periodic maintenance chart for the emission control system ........6-3 General maintenance
and lubrication chart.................... 6-4
Checking the spark plugs ............... 6-7
Canister........................................... 6-8
Engine oil and oil filter cartridge ..... 6-8
Coolant ......................................... 6-11
Replacing the air filter element and cleaning the check hose..... 6-13
Checking the throttle grip free play.............................. 6-14
Valve clearance ............................. 6-15
Tires .............................................. 6-15
Cast wheels .................................. 6-17
Adjusting the clutch
lever free play ............................ 6-18
Checking the brake lever free play ............................ 6-19
Brake light switches ...................... 6-19
Checking the front and rear brake pads ......................... 6-20
Checking the brake fluid level....... 6-21
Changing the brake fluid............... 6-22
Drive chain slack ........................... 6-22
Cleaning and lubricating the drive chain ........................... 6-24
Checking and lubricating
the cables .................................. 6-24
Checking and lubricating the throttle grip and cable ......... 6-25
Checking and lubricating the brake and shift pedals ............... 6-25
Checking and lubricating the
brake and clutch levers ............. 6-26
Checking and lubricating the sidestand ............................. 6-26
Lubricating the swingarm pivots ........................ 6-27
Checking the front fork ................. 6-27
Checking the steering ................... 6-28
Checking the wheel bearings ....... 6-28
Battery .......................................... 6-29
Replacing the fuses ...................... 6-30
Replacing the headlight bulb ........ 6-32
Auxiliary light ................................. 6-33
Tail/brake light .............................. 6-33
UB9AE0E0.book Page 1 Thursday, March 23, 2017 2:48 PM

Description
2-1
2
EAU63371
Left view
12345
761098
1. Coolant reservoir (page 6-11)
2. Main fuse (page 6-30)
3. Owner’s tool kit (page 6-2)
4. Passenger seat lock (page 3-18)
5. Storage compartment (page 3-21)
6. Shock absorber assembly spring preload adjusting ring (page 3-21)
7. Shift pedal (page 3-13)
8. Engine oil drain bolt (page 6-8)
9. Engine oil filter cartridge (page 6-8)
10.Canister (page 6-8)
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Description
2-2
2
EAU63391
Right view
1
98 76 5
234
1. Fuse box (page 6-30)
2. Battery (page 6-29)
3. Fuel tank cap (page 3-15)
4. Headlight (page 6-32)
5. Engine oil filler cap (page 6-8)
6. Engine oil level check window (page 6-8)
7. Brake pedal (page 3-14)
8. Rear brake light switch (page 6-19)
9. Rear brake fluid reservoir (page 6-21)
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Periodic maintenance an d a djustment
6-30
6 2. If the battery will be stored for
more than two months, check it at
least once a month and fully
charge it if necessary.
3. Fully charge the battery before in- stallation. NOTICE: When install-
in g the b attery, be sure the key
is turne d to “ ”, then connect
the positive lea d before con-
nectin g the ne gative lea d.
[ECA17722]
4. After installation, make sure that
the battery leads are properly con-
nected to the battery terminals.
NOTICE
ECA16531
Always keep the battery char ged .
Storin g a d ischar ged battery can
cause permanent battery damag e.
EAUN0821
Replacin g the fuses
The main fuse is located under the
passenger seat.
To access the main fuse, proceed as
follows.
1. Remove the passenger seat. (See page 3-18.)
2. Remove the tray by removing the quick fasteners.
3. Pull back the starter relay cover, and then disconnect the starter re-
lay coupler as shown.
4. Connect the starter relay coupler, and then slide the cover to its orig-
inal position.
1. Quick fastener
2. Tray
1. Starter relay cover
2. Starter relay coupler
3. Main fuse
4. Spare main fuse
2 1
1
2
3
4
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Periodic maintenance an d a djustment
6-31
6
5. Place the tray in its original posi-
tion, and then install the quick fas-
teners.
6. Install the passenger seat.
Fuse box 1 is located behind the center
cover. (See page 3-18.)
Fuse box 1
Fuse box 2 is located under the rider
seat. (See page 3-18.) Fuse
box 2
If a fuse is blown, replace it as follows. 1. Turn the key to “ ” and turn off the electrical circuit in question.
2. Remove the blown fuse, and then install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a hi gher ampera ge
ratin g than recommen ded to
avoi d causin g extensive dam-
a g e to the electrical system an d
possi bly a fire.
[EWA15132]
1. Fuse box 1
1. Ignition fuse
2. Signaling system fuse
3. ABS control unit fuse
4. Backup fuse (for clock)
5. Headlight fuse
6. Radiator fan motor fuse
7. Spare fuse
1
71
2
3
5
6
4
1. Fuse box 2
1. Spare fuse
2. ABS solenoid fuse
3. ABS motor fuse
1
123
UB9AE0E0.book Page 31 Thursday, March 23, 2017 2:48 PM

Periodic maintenance an d a djustment
6-32
6 3. Turn the key to “ ” and turn on
the electrical circuit in question to
check if the device operates.
4. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
EAU68470
Replacin g the hea dlig ht bul b
This model is equipped with halogen
bulb headlight. If a headlight bulb
burns out, have a Yamaha dealer re-
place it and, if necessary, adjust the
headlight beam.
NOTICE
ECA17871
Hea dlig ht lens:
Do not affix any type of tinted film or
stickers to the head light lens.
Do not use a hea dlig ht bul b of a
wattag e higher than specified .
Specified fuses:
Main fuse: 30.0 A
Headlight fuse:
15.0 A
Signaling system fuse: 7.5 A
Ignition fuse: 15.0 A
Radiator fan motor fuse:
7.5 A
ABS motor fuse: 30.0 A
ABS solenoid fuse: 15.0 A
ABS control unit fuse:
7.5 A
Backup fuse: 7.5 A
UB9AE0E0.book Page 32 Thursday, March 23, 2017 2:48 PM

Specifications
8-3
8
Bulb watta ge:
Headlight:
H4, 60.0 W/55.0 W
Brake/tail light:
LED
Front turn signal light: 10.0 W
Rear turn signal light: 10.0 W
Auxiliary light:
LED
Meter lighting: LED
Neutral indicator light: LED
High beam indicator light: LED
Oil pressure warning light:
LED
Turn signal indicator light: LED
Engine trouble warning light: LED
ABS warning light:
LED
Fuse(s):
Main fuse:30.0 A
Headlight fuse:
15.0 A
Signaling system fuse: 7.5 A
Ignition fuse: 15.0 A
Radiator fan motor fuse:
7.5 A
ABS control unit fuse: 7.5 A
ABS motor fuse: 30.0 A
ABS solenoid fuse:
15.0 A
Backup fuse: 7.5 A
UB9AE0E0.book Page 3 Thursday, March 23, 2017 2:48 PM

10-1
10
Index
A
ABS ....................................................... 3-14
ABS warning light ................................... 3-3
Air filter element and check hose,
replacing and cleaning ....................... 6-13
Auxiliary light......................................... 6-33
B
Battery .................................................. 6-29
Brake and clutch levers, checking
and lubricating .................................... 6-26
Brake and shift pedals, checking and lubricating .................................... 6-25
Brake fluid, changing ............................ 6-22
Brake fluid level, checking .................... 6-21
Brake lever ............................................ 3-13
Brake lever free play, checking............. 6-19
Brake light switches.............................. 6-19
Brake pedal........................................... 3-14
C
Cables, checking and lubricating ......... 6-24
Canister................................................... 6-8
Care ........................................................ 7-1
Catalytic converter ................................ 3-18
Clutch lever ........................................... 3-12
Clutch lever free play, adjusting ........... 6-18
Coolant ................................................. 6-11
D
Data recording, vehicle ........................... 9-3
Diagnostic connector.............................. 9-2
Dimmer switch ...................................... 3-11
Drive chain, cleaning and lubricating .... 6-24
Drive chain slack................................... 6-22
E
Engine break-in....................................... 5-4
Engine oil and oil filter cartridge ............. 6-8
Engine serial number .............................. 9-1
Engine stop switch ............................... 3-12
Engine trouble warning light ................... 3-3
F
Front and rear brake pads, checking.... 6-20
Front fork, checking .............................. 6-27
Fuel ....................................................... 3-16
Fuel tank cap ........................................ 3-15
Fuel tank overflow hose ........................ 3-17
Fuses, replacing.................................... 6-30
H
Handlebar switches .............................. 3-11
Headlight bulb, replacing ...................... 6-32
Helmet holders...................................... 3-20
High beam indicator light........................ 3-2 Horn switch .......................................... 3-12
I
Identification numbers ............................ 9-1
Ignition circuit cut-off system............... 3-23
Indicator lights and warning lights ......... 3-2
L
License plate light bulb, replacing........ 6-34
Luggage strap holders ......................... 3-22
M
Main switch/steering lock....................... 3-1
Maintenance and lubrication, periodic ... 6-4
Maintenance, emission
control system ..................................... 6-3
Matte color, caution ............................... 7-1
Model label ............................................. 9-1
Multi-function meter unit ........................ 3-4
N
Neutral indicator light ............................. 3-2
O
Oil pressure warning light ....................... 3-2
P
Parking ................................................... 5-4
Part locations ......................................... 2-1
Pass switch .......................................... 3-11
S
Safety information .................................. 1-1
Seats .................................................... 3-18
Shifting ................................................... 5-3
Shift pedal ............................................ 3-13
Shift timing indicator light....................... 3-4
Shock absorber assembly, adjusting............................................. 3-21
Sidestand ............................................. 3-23
Sidestand, checking and lubricating .... 6-26
Spark plugs, checking ............................ 6-7
Specifications ......................................... 8-1
Starting the engine ................................. 5-2
Start switch .......................................... 3-12
Steering, checking................................ 6-28
Storage ................................................... 7-4
Storage compartment .......................... 3-21
Supporting the motorcycle................... 6-35
Swingarm pivots, lubricating ................ 6-27
T
Tail/brake light ...................................... 6-33
Throttle grip and cable, checking and lubricating .................... 6-25
Throttle grip free play, checking........... 6-14
Tires ...................................................... 6-15
Tool kit.................................................... 6-2
UB9AE0E0.book Page 1 Thursday, March 23, 2017 2:48 PM