wheel YAMAHA TTR110 2008 User Guide
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Page 64 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6
EAU24350
Supporting the motorcycle Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other maintenance
requiring the motorcycle to stand up-
right. Check that the motorcycle is in a
stable and level position before starting
any maintenance. A strong wooden
box can be placed under the engine for
added stability.
To service the front wheel
1. Stabilize the rear of the motorcycle
by using a motorcycle stand or, if
an additional motorcycle stand is
not available, by placing a jack un-
der the frame in front of the rear
wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand.
To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placinga jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU24360
Front wheel
EAU41810
To remove the front wheel
WARNING
EWA10820
It is advisable to have a Yamaha
dealer service the wheel.
Securely support the motor-
cycle so that there is no dangerof it falling over.
1. Loosen the locknut at the brake le-
ver, and then turn the adjusting
bolt fully in direction (a).
2. Loosen the axle nut.
1. Brake lever free play adjusting bolt
2. Locknut
2
1
(a)
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Page 65 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6 3. Lift the front wheel off the ground
according to the procedure on
page 6-28.
4. Remove the axle nut and washer.
5. Pull the wheel axle out, and then
remove the wheel.
EAU41691
To install the front wheel
1. Lift the wheel up between the fork
legs.
2. Insert the wheel axle from the
right-hand side.NOTE:Make sure that the slot in the brake
shoe plate fits over the retainer on thefork leg.
3. Lower the front wheel so that it is
on the ground.
4. Install the washer and axle nut,
and then tighten the axle nut to the
specified torque.5. Adjust the brake lever free play.
(See page 6-17.)
6. While applying the front brake,
push down hard on the handlebar
several times to check for proper
fork operation.
1. Axle nut
2. Washer
1. Wheel axle
1. Slot
2. Retainer
21
Tightening torque:
Axle nut:
35 Nm (3.5 m·kgf, 25 ft·lbf)
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Page 66 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-30
6
EAU25080
Rear wheel
EAU41642
To remove the rear wheel
WARNING
EWA10820
It is advisable to have a Yamaha
dealer service the wheel.
Securely support the motor-
cycle so that there is no dangerof it falling over.
1. Disconnect the brake torque rod
from the brake shoe plate by re-
moving the cotter pin, the nut and
the bolt.2. Remove the brake pedal free play
adjusting nut, and then disconnect
the brake rod at the brake cam-
shaft lever.
3. Loosen the locknut and the drive
chain slack adjusting nut on both
ends of the swingarm.4. Loosen the axle nut.
5. Lift the rear wheel off the ground
according to the procedure on
page 6-28.
6. Remove the axle nut and washer,
and then pull the wheel axle out.
7. Push the wheel forward, and then
remove the drive chain from the
rear sprocket.
1. Brake torque rod
2. Cotter pin
3. Brake torque rod bolt and nut
4. Brake shoe plate
1. Brake rod
2. Brake pedal free play adjusting nut
3. Brake camshaft lever
4. Wheel axle
1. Axle nut
2. Washer
3. Drive chain slack adjusting nut
4. Locknut
1
2
4 3
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Page 67 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-31
6
NOTE:The drive chain does not need to be
disassembled in order to remove andinstall the wheel.
8. Remove the wheel.
EAU41652
To install the rear wheel
1. Install the drive chain onto the rear
sprocket.
2. Insert the wheel axle from the
right-hand side.
3. Adjust the drive chain slack. (See
page 6-20.)
4. Lower the rear wheel so that it is
on the ground.5. Install the brake rod onto the brake
camshaft lever, and then install the
brake pedal free play adjusting nut
onto the brake rod.
6. Connect the brake torque rod to
the brake shoe plate by installing
the bolt and nut, and then tighten
the nut to the specified torque.
7. Insert a new cotter pin.
8. Tighten the axle nut to the speci-
fied torque.
9. Adjust the brake pedal free play.
(See page 6-18.)
EAU25850
Troubleshooting Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting chart
represents a quick and easy procedure
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look like
Yamaha parts, but they are often inferi-
or, have a shorter service life and can
lead to expensive repair bills.
Tightening torques:
Brake torque rod nut:
26 Nm (2.6 m·kgf, 19 ft·lbf)
Axle nut:
60 Nm (6.0 m·kgf, 43 ft·lbf)
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Page 69 of 78
MOTORCYCLE CARE AND STORAGE
7-1
7
EAU37833
Matte color caution CAUTION:
ECA15192
Some models are equipped with
matte colored finished parts. Be
sure to consult a Yamaha dealer for
advice on what products to use be-
fore cleaning the vehicle. Using a
brush, harsh chemical products or
cleaning compounds when cleaning
these parts will scratch or damage
their surface. Wax also should not
be applied to any matte colored fin-ished parts.
EAU40462
Care While the open design of a motorcycle
reveals the attractiveness of the tech-
nology, it also makes it more vulnera-
ble. Rust and corrosion can develop
even if high-quality components are
used. A rusty exhaust pipe may go un-
noticed on a car, however, it detracts
from the overall appearance of a motor-
cycle. Frequent and proper care does
not only comply with the terms of the
warranty, but it will also keep your
motorcycle looking good, extend its life
and optimize its performance.
Before cleaning
1. Cover the muffler outlet with a
plastic bag after the engine has
cooled down.
2. Make sure that all caps and covers
as well as all electrical couplers
and connectors, including the
spark plug cap, are tightly in-
stalled.
3. Remove extremely stubborn dirt,
like oil burnt onto the crankcase,
with a degreasing agent and a
brush, but never apply such prod-ucts onto seals, gaskets, sprock-
ets, the drive chain and wheel
axles. Always rinse the dirt and de-
greaser off with water.
Cleaning
CAUTION:
ECA10771
Avoid using strong acidic wheel
cleaners, especially on spoked
wheels. If such products are
used on hard-to-remove dirt, do
not leave the cleaner on the af-
fected area any longer than in-
structed. Also, thoroughly rinse
the area off with water, immedi-
ately dry it, and then apply a cor-
rosion protection spray.
Improper cleaning can damage
plastic parts such as cowlings,
panels, windshields, headlight
lenses, meter lenses, etc. Use
only a soft, clean cloth or
sponge with mild detergent and
water to clean plastic.
Do not use any harsh chemical
products on plastic parts. Be
sure to avoid using cloths or
sponges which have been in
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MOTORCYCLE CARE AND STORAGE
7-2
7contact with strong or abrasive
cleaning products, solvent or
thinner, fuel (gasoline), rust re-
movers or inhibitors, brake flu-
id, antifreeze or electrolyte.
Do not use high-pressure wash-
ers or steam-jet cleaners since
they cause water seepage and
deterioration in the following ar-
eas: seals (of wheel and swing-
arm bearings, fork and brakes),
electric components (couplers,
connectors, instruments,
switches and lights), breather
hoses and vents.
For motorcycles equipped with
a windshield: Do not use strong
cleaners or hard sponges as
they will cause dulling or
scratching. Some cleaning com-
pounds for plastic may leave
scratches on the windshield.
Test the product on a small hid-
den part of the windshield to
make sure that it does not leave
any marks. If the windshield isscratched, use a quality plastic
polishing compound after
washing.
After normal use
Remove dirt with warm water, a mild
detergent, and a soft, clean sponge,
and then rinse thoroughly with clean
water. Use a toothbrush or bottlebrush
for hard-to-reach areas. Stubborn dirt
and insects will come off more easily if
the area is covered with a wet cloth for
a few minutes before cleaning.
After riding in the rain or near the seaSince sea salt is extremely corrosive,
carry out the following steps after each
ride in the rain or near the sea.
1. Clean the motorcycle with cold wa-
ter and a mild detergent, after the
engine has cooled down.CAUTION:
ECA10790
Do not use warm water since it in-
creases the corrosive action of thesalt.
2. Apply a corrosion protection spray
on all metal, including chrome- and
nickel-plated, surfaces to prevent
corrosion.After cleaning
1. Dry the motorcycle with a chamois
or an absorbing cloth.
2. Immediately dry the drive chain
and lubricate it to prevent it from
rusting.
3. Use a chrome polish to shine
chrome, aluminum and stainless-
steel parts, including the exhaust
system. (Even the thermally in-
duced discoloring of stainless-
steel exhaust systems can be re-
moved through polishing.)
4. To prevent corrosion, it is recom-
mended to apply a corrosion pro-
tection spray on all metal,
including chrome- and nickel-plat-
ed, surfaces.
5. Use spray oil as a universal clean-
er to remove any remaining dirt.
6. Touch up minor paint damage
caused by stones, etc.
7. Wax all painted surfaces.
8. Let the motorcycle dry completely
before storing or covering it.
WARNING
EWA14500
Make sure that there is no oil or
wax on the tires.
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MOTORCYCLE CARE AND STORAGE
7-4
7
WARNING
EWA10950
To prevent damage or injury from
sparking, make sure to ground the
spark plug electrodes while turningthe engine over.
6. Lubricate all control cables and the
pivoting points of all levers and
pedals as well as of the side-
stand/centerstand.
7. Check and, if necessary, correct
the tire air pressure, and then lift
the motorcycle so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
8. Cover the muffler outlet with a
plastic bag to prevent moisture
from entering it.
9. Remove the battery and fully
charge it. Store it in a cool, dry
place and charge it once a month.
Do not store the battery in an ex-
cessively cold or warm place [less
than 0 °C (30 °F) or more than 30°C (90 °F)]. For more information
on storing the battery, see page
6-26.
NOTE:Make any necessary repairs beforestoring the motorcycle.
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Page 73 of 78
SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1565 mm (61.6 in)
Overall width:
680 mm (26.8 in)
Overall height:
923 mm (36.3 in)
Seat height:
670 mm (26.4 in)
Wheelbase:
1080 mm (42.5 in)
Ground clearance:
180 mm (7.09 in)
Minimum turning radius:
1660 mm (65.4 in)Weight:With oil and fuel:
72.0 kg (159 lb)Engine:Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
110.0 cm³
Bore × stroke:
51.0 × 54.0 mm (2.01 × 2.13 in)
Compression ratio:
9.30 :1
Starting system:
Electric starter and kickstarter
Lubrication system:
Wet sump
Engine oil:Type:
TT-R110E SAE10W-30, SAE10W-40,
SAE15W-40, SAE20W-40 or SAE20W-50
TT-R110EX SAE10W-30, SAE10W-40,
SAE15W-40, SAE20W-40 or SAE20W-50
(AUS)
TT-R110EX YAMALUBE 4, SAE10W-30 or
SAE20W-40 (CAN)Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Periodic oil change:
0.80 L (0.85 US qt) (0.70 Imp.qt)
Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
TT-R110E Regular unleaded gasoline only
TT-R110EX Regular unleaded gasoline
only (CAN)
TT-R110EX Unleaded gasoline only (AUS)
Fuel tank capacity:
3.8 L (1.00 US gal) (0.84 Imp.gal)
Fuel reserve amount:
0.5 L (0.13 US gal) (0.11 Imp.gal)Carburetor:Manufacturer:
MIKUNI
Type × quantity:
VM16 x 1Spark plug (s):Manufacturer/model:
NGK/CR6HSA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, multiple-disc and centrifugal
automatic
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
10˚30˚50˚70˚90˚110˚
0˚
130
˚F
YAMALUBE 4 (10W-30)
or SAE 10W-30
YAMALUBE 4 (20W-40)
or SAE 20W-40
–10
˚0˚10˚20˚30˚40˚
–20˚
50 ˚C
U5B680E0.book Page 1 Tuesday, July 17, 2007 9:11 AM
Page 74 of 78
SPECIFICATIONS
8-2
8
Transmission:Primary reduction system:
Spur gear
Primary reduction ratio:
67/18 (3.722)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
35/14 (2.500)
Transmission type:
Constant mesh 4-speed
Operation:
Left foot operation
Gear ratio:
1st:
38/12 (3.166)
2nd:
33/17 (1.941)
3rd:
29/21 (1.380)
4th:
23/21 (1.095)Chassis:Frame type:
Steel tube backbone
Caster angle:
26.00 °
Trail:
60.0 mm (2.36 in)Front tire:Type:
With tube
Size:
2.50-14 4PRManufacturer/model:
CHEN SHIN/C-803
Rear tire:Type:
With tube
Size:
3.00-12 4PR
Manufacturer/model:
CHEN SHIN/C-803Loading:Maximum rider weight:
60.0 kg (132 lb)Tire air pressure (measured on cold
tires):
Front:
100 kPa (15 psi) (1.00 kgf/cm²)
Rear:
100 kPa (15 psi) (1.00 kgf/cm²)
Front wheel:Wheel type:
Spoke wheel
Rim size:
14x1.40Rear wheel:Wheel type:
Spoke wheel
Rim size:
12x1.60Front brake:Type:
Drum brake
Operation:
Right hand operation
Rear brake:Type:
Drum brake
Operation:
Right foot operationFront suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
115.0 mm (4.53 in)Rear suspension:Type:
Swingarm (monocross)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
110.0 mm (4.33 in)Electrical system:Ignition system:
DC. CDI
Charging system:
AC magnetoBattery:Model:
GT4B-5
Voltage, capacity:
12 V, 2.5 AhFuse:Fuse:
10.0 A
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Page 77 of 78
INDEX
AAccessories and replacement parts ..... 6-16
Air filter element, cleaning .................... 6-10BBattery .................................................. 6-26
Brake lever ............................................. 3-2
Brake lever, checking and lubricating ... 6-23
Brake lever free play, adjusting ............ 6-17
Brake pedal ............................................ 3-2
Brake pedal, checking and
lubricating ........................................... 6-23
Brake pedal free play, adjusting ........... 6-18
Brake shoes, checking ......................... 6-19CCables, checking and lubricating .......... 6-22
Carburetor, adjusting ............................ 6-13
Care ........................................................ 7-1
Clutch free play, adjusting .................... 6-17DDrive chain, cleaning and lubricating .... 6-21
Drive chain slack .................................. 6-20EEngine break-in ...................................... 5-3
Engine idling speed .............................. 6-13
Engine oil ................................................ 6-8
Engine, starting a warm .......................... 5-2
Engine stop switch.................................. 3-1FFront fork, checking .............................. 6-24
Fuel......................................................... 3-3
Fuel cock ................................................ 3-5
Fuel tank breather hose.......................... 3-4
Fuel tank cap .......................................... 3-3
Fuse, replacing ..................................... 6-27
HHandlebar switches ................................. 3-1IIdentification numbers ............................. 9-1KKey identification number ........................ 9-1
Kickstarter ............................................... 3-6LLabels, location of ...................................1-4MMain switch ............................................. 3-1
Maintenance and lubrication, periodic..... 6-4
Maintenance, emission control system ... 6-3
Maintenance, periodic ............................. 6-1
Matte color, caution .................................7-1
Model label .............................................. 9-2PPanels, removing and installing .............. 6-6
Parking ....................................................5-4
Part locations .......................................... 2-1
Pre-operation check list........................... 4-2SSafety information ...................................1-1
Seat ......................................................... 3-6
Shifting ....................................................5-2
Shift pedal ............................................... 3-2
Shift pedal, checking ............................. 6-19
Sidestand ................................................ 3-7
Sidestand, checking and lubricating...... 6-23
Spark arrester, cleaning ........................ 6-12
Spark plug, checking ...............................6-7
Specifications .......................................... 8-1
Starter (choke) lever................................ 3-6Starting and warming up a cold
engine ................................................... 5-1
Starting circuit cut-off system.................. 3-7
Start switch ............................................. 3-1
Steering, checking ................................ 6-25
Storage ................................................... 7-3
Supporting the motorcycle .................... 6-28
Swingarm pivots, lubricating ................. 6-24
TThrottle cable free play, checking ......... 6-14
Throttle grip and cable, checking and
lubricating ........................................... 6-22
Tires ...................................................... 6-15
Tool kit .................................................... 6-2
Troubleshooting .................................... 6-31
Troubleshooting chart ........................... 6-32VValve clearance .................................... 6-14
Vehicle identification number .................. 9-1WWheel bearings, checking..................... 6-25
Wheel (front) ......................................... 6-28
Wheel (rear) .......................................... 6-30
Wheels .................................................. 6-16
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