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 ............................................ 4-6
Display ............................................ 4-8
MENU screen ............................... 4-14
Clutch lever................................... 4-31
Shift pedal..... ............................ .... 4-31
Brake lever ................................... 4-32
Brake pedal .................................. 4-32
Brake system ..... ....................... .... 4-33
Fuel tank cap ................................ 4-34
Fuel............................................... 4-35
Fuel tank overflow hose................ 4-37
Catalytic converter ........................ 4-37
Seats ............................................ 4-38
CCU (for equipped models) .......... 4-39 Document storage ........................ 4-40
Rear view mirrors ......................... 4-41
Adjusting the front fork ................. 4-41
Adjusting the shock absorber
assembly................................... 4-44
EXUP system ............................... 4-47
Auxiliary DC connector................. 4-48
Sidestand ..................................... 4-48
Ignition circuit cut- off system ........ 4-49
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 .......................... 7-4 Removing and installing cowlings
and panels .................................. 7-8
Checking the spark plugs ............ 7-11
Canister ....................................... 7-12
Engine oil and oil filt er cartridge... 7-12
Coolant ........................................ 7-15
Air filter element ........................... 7-17
Checking the engine idling speed............ ............................ 7-17
Checking the throttle grip free play ........................................... 7-17
Valve clearance ........................... 7-18
Tires ............................................. 7-18
Cast magnesium wheels.............. 7-20
Adjusting the clutch lever free play ........................................... 7-21
Checking the brake lever free
play ........................................... 7-22
Brake light switches ..................... 7-23
Checking the front and rear
brake pads................................ 7-23
Checking the brake fluid level ...... 7-24
Changing the brake fluid .............. 7-25
Drive chain slack.......................... 7-25
Cleaning and lubricating the
drive chain ................................ 7-26
Checking and lubricating the cables ....................................... 7-27
Checking and lubricating the throttle grip and cable ............... 7-27BX4-9-E1_1.book 1 ページ ２０１８年４月２７日 金曜日 午後４時３分
Periodic maintenance and adjustment7-30
1
2
3
4
5
678
9
10
11
12
EAU23273
Checking the front forkThe condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
Check the inner tubes for scratches,
damage and excessive oil leakage.
To check the operation 1. Place the vehicle on a level sur- face and hold it in an upright posi-
tion. WARNING! To avoid injury,
securely support the vehicle so
there is no danger of it falling
over.
[EWA10752]
2. While applying the front brake, push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
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 7-35.)
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.
BX4-9-E1_1.book 30 ページ ２０１８年４月２７日 金曜日 午後４時３分
