Page 42 of 76

PERIODIC MAINTENANCE AND ADJUSTMENT
6-9
6
TIPThe engine oil should be between theminimum and maximum level marks.
4. If the engine oil is at or below the
minimum level mark, add sufficient
oil of the recommended type to
raise it to the correct level.
5. Insert the dipstick into the oil filler
hole, and then tighten the oil filler
cap.To change the engine oil
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
3. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.
4. Install the engine oil drain bolt, and
then tighten it to the specified
torque.5. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the engine
oil filler cap.
NOTICE
ECA11620
In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives. Do
not use oils with a diesel speci-
fication of “CD” or oils of a high-
er quality than specified. In
addition, do not use oils labeled
“ENERGY CONSERVING II” or
higher.
Make sure that no foreign mate-rial enters the crankcase.
1. Engine oil filler cap
2. Dipstick
3. Maximum level mark
4. Minimum level mark
1
3
4
2
1. Engine oil drain boltTightening torque:
Engine oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
1
Recommended engine oil:
See page 8-1.
Oil change quantity:
0.80 L (0.85 US qt, 0.70 Imp.qt)
U5B681E0.book Page 9 Tuesday, June 17, 2008 5:48 PM
Page 44 of 76

PERIODIC MAINTENANCE AND ADJUSTMENT
6-11
66. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
TIPThe sponge material should be wet butnot dripping.
7. Insert the mesh and the sponge
material into the air filter case.
NOTICE: Make sure that the
mesh and the sponge material
are properly seated in the air fil-
ter case. The engine should
never be operated without themesh and the sponge material
installed, otherwise the pis-
ton(s) and/or cylinder(s) may
become excessively worn.
[ECA15572]
8. Install the air filter case cover by in-
stalling the screws.TIPMake sure that the spark plug cable isrouted as shown.9. Install the panel.
To clean the air filter check hose
1. Check the hoses at the bottom of
the air filter case for accumulated
dirt or water.
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Spark plug cable
1. Air filter check hose
1 1
1
U5B681E0.book Page 11 Tuesday, June 17, 2008 5:48 PM
Page 70 of 76

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)Noise and vibration level:Noise level (77/311/EEC):
TT-R110E 78.9 dB(A)
Vibration on seat (EN1032, ISO5008):
TT-R110E Will not exceed 0.5 m/s²
Vibration on handlebar (EN1032, ISO5008):
TT-R110E Will not exceed 2.5 m/s²Engine: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 SAE 10W-30, SAE 10W-40,
SAE 15W-40, SAE 20W-40 or SAE 20W-
50
TT-R110EY SAE 10W-30, SAE 10W-40,
SAE 15W-40, SAE 20W-40 or SAE 20W-
50 (AUS)
TT-R110EY YAMALUBE 4 10W-40 or
20W-50, SAE 10W-40 or SAE 20W-50
(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-R110EY Regular unleaded gasoline
only (CAN)
TT-R110EY 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
-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-40
or SAE 10W-40
YAMALUBE 4 20W-50
or SAE 20W-50
–10 0 10 20 30
40 –20
50
˚C
U5B681E0.book Page 1 Tuesday, June 17, 2008 5:48 PM
Page 71 of 76

SPECIFICATIONS
8-2
8
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
automaticTransmission: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 4PR
Manufacturer/model:
CHEN SHIN/C-803-2Rear tire:Type:
With tube
Size:
3.00-12 4PR
Manufacturer/model:
CHEN SHIN/C-803-2Loading:Maximum rider weight:
60.0 kg (132 lb)Tire air pressure (measured on cold
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear:
100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:Wheel type:
Spoke wheelRim size:
14x1.40
Rear wheel:Wheel type:
Spoke wheel
Rim size:
12x1.60Front brake:Type:
Drum brake
Operation:
Right hand operationRear 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
U5B681E0.book Page 2 Tuesday, June 17, 2008 5:48 PM