2021 YAMAHA TT-R110E Starter

Table of contents
Location of important la bels ........... 1-1
Safety information ............................ 2-1
Description ....................................... 3-1
Left view ......................................... 3-1
Right view ....................................... 3-2
Controls and instruments ............... 3-3
Instrument an d control functions ... 4-1
Main switch .................................... 4-1
Handlebar switches ........................ 4-1
Shift pedal ...................................... 4-2
Brake lever...................................... 4-2
Brake pedal .................................... 4-3
Fuel tank cap .................................. 4-3
Fuel ................................................. 4-4
Fuel tank breather hose.................. 4-5
Fuel cock ........................................ 4-6
Starter (choke) lever ...................... 4-7
Kickstarter ..................................... 4-7
Seat ................................................ 4-8
Shock absorber assembly .............. 4-8
Sidestand ....................................... 4-9
Starting circuit cut-off system ........ 4-9
For your safety – pre-operation
checks ............................................... 5-1
Operation an d important ri din g
points ................................................ 6-1
Starting and warming up a cold
engine ......................................... 6-1
Starting a warm engine .................. 6-2
Shifting ........................................... 6-2
Engine break-in .............................. 6-3
Parking ........................................... 6-4
Perio dic maintenance an d
a d justment ........................................ 7-1
Owner’s tool kit .............................. 7-2
Periodic maintenance chart for the
emission control system ............. 7-3
General maintenance and lubrication chart .......................... 7-4
Removing and installing panels...... 7-6 Checking the spark plug ................. 7-7
Engine oil......................................... 7-8
Cleaning the air filter element ....... 7-10
Cleaning the spark arrester ........... 7-12
Adjusting the carburetor ............... 7-13
Adjusting the engine idling
speed ......................................... 7-14
Checking the throttle grip free
play ............................................ 7-15
Valve clearance ............................. 7-15
Tires .............................................. 7-16
Spoke wheels ................................ 7-17
Adjusting the clutch free play........ 7-18
Adjusting the brake lever free play ............................................ 7-18
Adjusting the brake pedal free play ............................................ 7-19
Checking the shift pedal ............... 7-20
Checking the front and rear brake shoes ......................................... 7-20
Drive chain slack ........................... 7-21
Cleaning and lubricating the drive chain ................................. 7-22
Checking and lubricating the cables ........................................ 7-23
Checking and lubricating the
throttle grip and cable ............... 7-23
Checking and lubricating the brake lever ................................. 7-24
Checking and lubricating the brake pedal ................................ 7-24
Checking and lubricating the
sidestand ................................... 7-25
Lubricating the swingarm pivots ... 7-25
Checking the front fork ................. 7-26
Checking the steering ................... 7-26
Checking the wheel bearings ........ 7-27
Battery........................................... 7-27
Replacing the fuse ........................ 7-29
Supporting the motorcycle ........... 7-29
Front wheel ................................... 7-30
Rear wheel .................................... 7-31
Troubleshooting ............................ 7-33
Troubleshooting chart ................... 7-34
UB5186E0.book Page 1 Wednesday, April 22, 2020 9:11 AM

Description
3-1
3
EAU63371
Left view
678
123 45
1. Fuel cock (page 4-6)
2. Starter (choke) lever (page 4-7)
3. Fuse (page 7-29)
4. Battery (page 7-27)
5. Clutch adjusting screw (page 7-18)
6. Engine oil drain bolt (page 7-8)
7. Shift pedal (page 4-2)
8. Throttle stop screw (page 7-14)
UB5186E0.book Page 1 Wednesday, April 22, 2020 9:11 AM

Description
3-2
3
EAU63391
Right view
12 3 4
85 7
6
1. Spark arrester (page 7-12)
2. Seat (page 4-8)
3. Fuel tank cap (page 4-3)
4. Air filter element (page 7-10)
5. Spark plug cap (page 7-7)
6. Engine oil filler cap (page 7-8)
7. Brake pedal (page 4-3)
8. Kickstarter (page 4-7)
UB5186E0.book Page 2 Wednesday, April 22, 2020 9:11 AM

Instrument and control functions
4-1
4
EAU40341
Main switch
The main switch controls the ignition
system. The main switch positions are
described below.
EAU10631ON
All electrical systems are supplied with
power, and the engine can be started.
The key cannot be removed.
EAU45752OFF
All electrical systems are off. The key
can be removed.
WARNING
EWA10073
Never turn the key to “OFF” while
the vehicle is movin g, otherwise the
electrical systems will be switched
off, which may result in loss of con-
trol or an acci dent.
EAU1234M
Han dle bar switches
Left
Ri ght
EAU12662En gine stop switch “ / ”
Set this switch to “ ” before starting
the engine. Set this switch to “ ” to
stop the engine in case of an emergen-
cy, such as when the vehicle overturns
or when the throttle cable is stuck.
EAU12713Start switch “ ”
Push this switch to crank the engine
with the starter. See page 6-1 for start-
ing instructions prior to starting the en-
gine.
1. Engine stop switch “ / ”
1. Start switch “ ”
1
UB5186E0.book Page 1 Wednesday, April 22, 2020 9:11 AM

Instrument and control functions
4-7
4
EAU13591
Starter (choke) lever “ ”
Starting a cold engine requires a richer
air-fuel mixture, which is supplied by
the starter (choke).
Move the lever in direction (a) to turn on
the starter (choke).
Move the lever in direction (b) to turn
off the starter (choke).
EAU37652
Kickstarter
If the engine fails to start by pushing
the start switch, try to start it by using
the kickstarter. To start the engine, fold
out the kickstarter lever, move it down
lightly with your foot until the gears en-
gage, and then push it down smoothly
but forcefully.
1. Starter (choke) lever “ ”1. Kickstarter lever
1
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Operation and important ri din g points
6-1
6
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which coul d cause an acci dent
or injury.
EAU44815
Startin g an d warmin g up a
col d en gine
1. Turn the fuel cock lever to “ON”.
2. Turn the key to “ON” and make
sure that the engine stop switch is
set to “ ”.
3. Shift the transmission into the neutral position.
WARNING
EWA14411
Be sure to shift the transmission
into neutral b efore starting the
en gine.
 Never ri de with the si destan d
d own.
4. Turn the starter (choke) on and
completely close the throttle. (See
page 4-7.)
5. Start the engine by pushing the start switch or by pushing the
kickstarter lever down.
6. When the engine is warm, turn the starter (choke) off.
TIP
The engine is warm when it responds
quickly to the throttle with the starter
(choke) turned off.
NOTICE
ECA11043
For maximum en gine life, never ac-
celerate har d when the en gine is
col d!
UB5186E0.book Page 1 Wednesday, April 22, 2020 9:11 AM

Operation and important rid ing points
6-2
6
EAU16641
Startin g a warm en gine
Follow the same procedure as for
starting a cold engine with the excep-
tion that the starter (choke) is not re-
quired when the engine is warm.
EAU39902
Shiftin g
This motorcycle has a 4-speed trans-
mission with a centrifugal, automatic
clutch. Shifting gears lets you control
the amount of engine power available
for starting off, accelerating, climbing
hills, etc.
The gear positions are shown in the il-
lustration.
TIP
To shift the transmission into the neu-
tral position, press the shift pedal down
repeatedly until it reaches the end of its
travel.
NOTICE
ECA15442
Even with the transmission in
the neutral position, d o not
coast for lon g period s of time
with the en gine off, an d d o not
tow the motorcycle for lon g d is-
tances. The transmission is
properly lu bricated only when
the en gine is runnin g. Ina de-
quate lu brication may damag e
the transmission.
 Always release the throttle grip
b efore chan gin g g ears to avoi d
d amag ing the en gine, transmis-
1. Shift pedal
2. Neutral position
1
2
1 2
3
4
UB5186E0.book Page 2 Wednesday, April 22, 2020 9:11 AM

Periodic maintenance an d a djustment
7-3
7
EAU69172
Perio dic maintenance chart for the emission control system
TIP
 From 7000 km (4200 mi) or 18 months, repeat the maintenance intervals
starting from 3000 km (1800 mi) or 6 months.
 Items marked with an asterisk should be performed by a Yamaha dealer as
they require special tools, data and technical skills.
No. ITEM 13 5
0.6 1.8 3 16 12
30 90 150
1 *Fuel line • Check fuel hoses for cracks or
damage.
• Replace if necessary. √√
2Spark plu g• Check condition.
• Adjust gap and clean.
√√
3 *Valve clearance • Check and adjust valve clear-
ance when engine is cold. √
4 Air filter element • Clean with solvent.
• Replace if necessary.
√√
5 *Crankcase
breather
system • Check ventilation hose for
cracks or damage and drain
any deposits.
• Replace if necessary. √√ √
6 *Car buretor • Check engine idling speed and
starter operation.
• Adjust if necessary. √√ √
7 Exhaust system • Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary. √√
8 *Spark arrester • Clean. √
9En gine oil • Change (warm engine before
draining). √√ √X 1000 km
X 1000 mi month
CHECKS AND
MAINTENANCE JOBS
hours
INITIALODOMETER READINGS
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