Page 6 of 124

Table of contentsSafety information........................... 1-1
Description ....................................... 2-1
Left view ......................................... 2-1
Right view ....................................... 2-2
Controls and instruments................ 2-3
Special features ............................... 3-1
YRC (Yamaha Ride Control) .......... 3-1
Glossary ......................................... 3-4
YRC functions visual guide............. 3-5
Instrument and co ntrol functions... 4-1
Immobilizer system ..... .................... 4-1
Main switch/steering lock................ 4-2
Handlebar switches ........................ 4-3
Indicator lights and warning lights ............................................ 4-5
Display ............................................ 4-8
MENU screen ............................... 4-13
Clutch lever................................... 4-26
Shift pedal..... ............................ .... 4-27
Brake lever ................................... 4-27
Brake pedal .................................. 4-28
Brake system ..... ....................... .... 4-28
Fuel tank cap ................................ 4-30
Fuel............................................... 4-31
Fuel tank overflow hose................ 4-32
Catalytic converter ........................ 4-33
Seats ............................................ 4-34
Document storage ........................ 4-35 Rear view mirrors ......................... 4-36
Adjusting the front fork ................. 4-36
Adjusting the shock absorber
assembly................................... 4-38
EXUP system ............................... 4-40
Auxiliary DC connector................. 4-41
Sidestand ..................................... 4-41
Ignition circuit cut- off system ........ 4-42
For your safety – pre-operation
checks .............................................. 5-1
Operation and important riding
points ................................................ 6-1
Starting the engine ......................... 6-1
Shifting ........................................... 6-2
Tips for reducing fuel consumption ............................... 6-3
Engine break-in .............................. 6-3
Parking ........................................... 6-4
Periodic maintenance and
adjustment ....................................... 7-1
Tool kit............................................ 7-2
Periodic maintenance charts .......... 7-3
Periodic maintenance chart for the emission control system ............. 7-3
General maintenance and
lubrication chart .......................... 7-5
Removing and installing cowlings and panels ............... ................... 7-9 Checking the spark plugs ............ 7-11
Canister ....................................... 7-12
Engine oil and oil filt
er cartridge... 7-12
Why Yamalube ............................ 7-16
Coolant ........................................ 7-16
Air filter element ........................... 7-17
Checking the engine idling speed............ ............................ 7-18
Checking the throttle grip free play ........................................... 7-18
Valve clearance ........................... 7-18
Tires ............................................. 7-19
Cast magnesium wheels.............. 7-21
Adjusting the clutch lever free
play ........................................... 7-22
Checking the brake lever free play ........................................... 7-23
Brake light switches ..................... 7-23
Checking the front and rear brake pads................................ 7-24
Checking the brake fluid level ...... 7-24
Changing the brake fluid .............. 7-25
Drive chain slack.......................... 7-26
Cleaning and lubricating the drive chain ................................ 7-27
Checking and lubricating the cables ....................................... 7-28
Checking and lubricating the
throttle grip and cable ............... 7-28
Checking and lubricating the brake and shift pedals .............. 7-28BX4-9-E2.book 1 ページ 2018年9月6日 木曜日 午後4時39分
Page 7 of 124

Table of contents
Checking and lubricating the brake and clutch levers ............. 7-29
Checking and lubricating the sidestand................................... 7-30
Lubricating the swingarm pivots ... 7-30
Checking the front fork ................. 7-30
Checking the steering . .................. 7-31
Checking the wheel bearings ....... 7-31
Battery .......................................... 7-32
Replacing the fuses ...................... 7-33
Vehicle lights ................................ 7-35
Supporting the motor cycle............ 7-36
Troubleshooting............................ 7-36
Troubleshooting charts ................. 7-38
Motorcycle care and storage .......... 8-1
Matte color caution ......................... 8-1
Care................................................ 8-1
Storage ........................................... 8-4
Specifications .................................. 9-1
Consumer information .................. 10-1
Identification numbers .................. 10-1
Diagnostic connector ... ................. 10-2
Vehicle data recordin g.................. 10-2
Index ............................................... 11-1
BX4-9-E2.book 2 ページ 2018年9月6日 木曜日 午後4時39分
Page 23 of 124
Instrument and control functions
4-3
1
2
345
6
7
8
9
10
11
12
To unlock the steering
From the “LOCK” position, push the
key in and turn it to “OFF”.
EAU65680
(Parking)
The hazard lights can be turned on, but
all other electrical systems are off. The
key can be removed.
The steering must be locked before the
key can be turned to “ ”.NOTICE
ECA22330
Using the hazard lights for an ex-
tended length of time may cause thebattery to discharge.
EAU66055
Handlebar switchesLeft
Right
1. Push.
2. Turn.12
1. Pass/LAP switch “ /LAP”
2. Dimmer switch “ / ”
3. Hazard switch “ ”
4. Horn switch “ ”
5. Turn signal switch “ / ”
12543
1. Mode switch “MODE”
2. Up button
3. Center button
4. Down button
1. Stop/Run/Start switch “ / / ”
2. Wheel switch “ ”1
2
4 31
2
BX4-9-E2.book 3 ページ 2018年9月6日 木曜日 午後4時39分
Page 101 of 124

Periodic maintenance and adjustment7-31
1
2
3
4
5
678
9
10
11
12
NOTICE
ECA10591
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-pair it.
EAU23285
Checking the steeringWorn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart. 1. Raise the front wheel off the ground. (See page 7-36.)
WARNING! To avoid injury, se-
curely support the vehicle so
there is no danger of it falling
over.
[EWA10752]
2. Hold the lower ends of the frontfork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
EAU23292
Checking the wheel bearingsThe front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
BX4-9-E2.book 31 ページ 2018年9月6日 木曜日 午後4時39分