
Table of contents
Location of important labels ........... 1-1
Safety information............................ 2-1
Description ....................................... 3-1
Left view ......................................... 3-1
Right view....................................... 3-2
Controls and instruments ............... 3-3
Special features .............................. 4-1
Quick shifter (if equipped) .............. 4-1
CCU
(Communication Control Unit)..... 4-1
Instrument andcontrol functions... 5-1
Immobilizer system......................... 5-1
Main switch/steering lock............... 5-2
Handlebar switches........................ 5-3
Indicator lights and warning
lights............................................ 5-5
Main display screen........................ 5-6
Menu system ................................ 5-13
Clutch lever .................................. 5-16
Shift pedal .................................... 5-17
Brake lever.................................... 5-17
Brake pedal .................................. 5-17
ABS .............................................. 5-18
Fuel tank cap................................ 5-19
Fuel............................................... 5-19
Fuel tank overflow hose ............... 5-21
Catalytic converter ....................... 5-21
Seat...............................................5-22
Helmet holding cable ....................5-22
Storage compartment...................5-23
Windshield ...................................5-23
Adjusting the front fork .................5-24
Adjusting the shock absorber
assembly....................................5-25
Luggage strap holders ..................5-27
Auxiliary DC jack ...........................5-27
DC connectors ..............................5-28
Quick shifter connector.................5-28
USB jack .......................................5-28
Sidestand ......................................5-29
Ignition circuit cut-off system .......5-29
For your safety – pre-operation
checks ...............................................6-1
Operation andimportant riding
points .................................................7-1
Engine break-in...............................7-1
Starting the engine..........................7-2
Shifting ............................................7-3
Tips for reducing fuel
consumption................................7-4
Parking ............................................7-4
Periodic maintenance and
adjustment ........................................8-1
Tool kit ............................................8-2
Periodic maintenance charts ..........8-3
Periodic maintenance chart for the
emission control system ............. 8-3
General maintenance and
lubrication chart .......................... 8-5
Checking the spark plugs............... 8-9
Canister ........................................ 8-10
Engine oil and oil filter cartridge ... 8-10
Why Yamalube.............................. 8-13
Coolant ......................................... 8-13
Replacing the air filter element
and cleaning the check hose .... 8-15
Checking the engine idling
speed ........................................ 8-15
Checking the throttle grip free
play............................................ 8-16
Valve clearance............................. 8-16
Tires .............................................. 8-16
Cast wheels .................................. 8-19
Adjusting the clutch lever free
play............................................ 8-19
Checking the brake lever free
play............................................ 8-20
Brake light switches ..................... 8-20
Checking the front and rear
brake pads ................................ 8-21
Checking the brake fluid level ...... 8-21
Changing the brake fluid .............. 8-23
Drive chain slack........................... 8-23
Cleaning and lubricating the
drive chain................................. 8-25
UB4T20E0.book Page 1 Tuesday, April 4, 2023 9:44 AM