2021 YAMAHA YZF-R125 fuses

Table of contents
Battery ...........................................6-31
Replacing the fuses .......................6-32
Vehicle lights .................................6-33
Tail/brake light ...............................6-33
Replacing a turn signal light
bulb ............................................6-33
Replacing the license plate light bulb ............................................6-34
Supporting the motorcycle............6-34
Troubleshooting ............................6-35
Troubleshooting chart ...................6-36
Motorcycle care an d stora ge ..........7-1
Matte color caution .........................7-1
Care .................................................7-1
Storage ............................................7-3
Specifications ....................................8-1
Consumer information .....................9-1
Identification numbers .....................9-1
Diagnostic connector ......................9-2
Vehicle data recording ....................9-2
In dex ................................................10-1
UB5GE2E0.book Page 2 Thursday, July 30, 2020 3:08 PM

Description
2-1
2
EAU10411
Left view
5
9
6
7
8
2
3,4
1
1. Fuel tank cap (page 3-16)
2. Battery (page 6-31)
3. Fuses (page 6-32)
4. Tool kit (page 6-2)
5. Sidestand (page 3-20)
6. Air filter check hose
7. Shift pedal (page 3-14)
8. Idle adjusting screw (page 6-16) 9. Coolant reservoir (page 6-14)
UB5GE2E0.book Page 1 Thursday, July 30, 2020 3:08 PM

Periodic maintenance an d a djustment
6-32
6 3. Fully charge the battery before in-
stallation. NOTICE: When install-
in g the b attery, be sure to turn
the main switch off, then con-
nect the positive lea d before
connectin g the ne gative lead .
[ECA16842]
4. After installation, make sure that
the battery leads are properly con-
nected to the battery terminals.NOTICE
ECA16531
Always keep the b attery charged .
Storin g a d ischar ged battery can
cause permanent battery dama ge.
EAUM2415
Replacin g the fusesThe fuse box is located under the rider
seat. (See page 3-19.)
If a fuse is blown, replace it as follows.
1. Turn the key to “OFF” 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 d am-
a g e to the electrical system an d
possi bly a fire.
[EWA15132]
3. Turn the key to “ON” 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.
1. Fuse box
2. Spare fuse
3. ABS control unit fuse
4. Main fuse
5. ABS solenoid fuse
6. ABS motor fuse
7. Fuse tongsZAUM1611
1
1515
15
2
3030
2
6
75
43
2
Specifie d fuses:
Main fuse: 15.0 A
ABS motor fuse:
30.0 A
ABS solenoid fuse: 15.0 A
ABS control unit fuse: 2.0 A
UB5GE2E0.book Page 32 Thursday, July 30, 2020 3:08 PM

10-1
10
Index
AABS....................................................... 3-15
ABS warning light ................................... 3-3
Air filter element and check hose,
replacing and cleaning ....................... 6-15BBattery .................................................. 6-31
Brake and clutch levers, checking and lubricating........................................... 6-28
Brake and shift pedals, checking and lubricating........................................... 6-27
Brake fluid, changing............................ 6-24
Brake fluid level, checking.................... 6-23
Brake lever............................................ 3-14
Brake light switches ............................. 6-22
Brake pedal .......................................... 3-14
Brake pedal free play, adjusting ........... 6-21CCables, checking and lubricating ......... 6-27
Canister ................................................ 6-10
Care ........................................................ 7-1
Catalytic converter ............................... 3-19
Clutch lever........................................... 3-13
Clutch lever free play, adjusting ........... 6-20
Coolant ................................................. 6-14
Coolant temperature warning light ......... 3-2
Cowlings, removing and installing.......... 6-8DData recording, vehicle........................... 9-2
Diagnostic connector ............................. 9-2
Dimmer/Pass switch............................. 3-13
Drive chain, cleaning and lubricating ... 6-26
Drive chain slack .................................. 6-25
EEngine break-in ...................................... 5-1
Engine idling speed.............................. 6-16
Engine oil and oil filter element ............ 6-11
Engine overheating .............................. 6-37
Engine serial number ............................. 9-1
Engine stop switch............................... 3-13FFront and rear brake pads, checking ... 6-22
Front brake lever free play, checking ... 6-21
Front fork, checking ............................. 6-29
Fuel ...................................................... 3-16
Fuel consumption, tips for reducing ...... 5-4
Fuel tank breather hose and overflow hose ................................................... 3-18
Fuel tank cap........................................ 3-16
Fuses, replacing ................................... 6-32HHandlebar switches ............................. 3-12
High beam indicator light ....................... 3-2
Horn switch .......................................... 3-13IIdentification numbers ........................... 9-1
Ignition circuit cut-off system .............. 3-21
Indicator lights and warning lights ......... 3-2LLicense plate light bulb, replacing ....... 6-34MMain switch/steering lock ...................... 3-1
Maintenance and lubrication, periodic... 6-4
Maintenance, emission control system ................................................. 6-3
Malfunction indicator light (MIL)............. 3-3
Matte color, caution ............................... 7-1 Model label ............................................. 9-1
Multi-function meter unit ........................ 3-4
NNeutral indicator light ............................. 3-2PParking.................................................... 5-4
Part locations.......................................... 2-1RRear suspension, lubricating ................ 6-29SSafety information................................... 1-1
Seats ..................................................... 3-19
Shifting.................................................... 5-3
Shift light ................................................. 3-3
Shift pedal............................................. 3-14
Sidestand.............................................. 3-20
Sidestand, checking and lubricating .... 6-29
Spark plug, checking .............................. 6-9
Specifications ......................................... 8-1
Starting the engine ................................. 5-2
Start switch ........................................... 3-13
Steering, checking ................................ 6-30
Storage ................................................... 7-3
Supporting the motorcycle ................... 6-34TTail/brake light ...................................... 6-33
Throttle grip and cable, checking and
lubricating ........................................... 6-27
Throttle grip free play, adjusting ........... 6-16
Tires ...................................................... 6-17
Tool kit .................................................... 6-2
Troubleshooting .................................... 6-35
Troubleshooting chart........................... 6-36
Turn signal indicator light ....................... 3-2
UB5GE2E0.book Page 1 Thursday, July 30, 2020 3:08 PM