2007 YAMAHA TTR50 gas type
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SAFETY INFORMATION
1-3
1Gasoline and exhaust gas
GASOLINE IS HIGHLY FLAMMA-
BLE:
Always turn the engine off when
refueling.
Take care not to spill any gaso-
line on the engine or exhaust
pipe(s)/muffler(s) when refuel-
ing.
Never refuel while smoking or in
the vicinity of an open flame.
Never start the engine or let it run
for any length of time in a closed
area. The exhaust fumes are poi-
sonous and may cause loss of
consciousness and death within a
short time. Always operate your
motorcycle in an area that has ad-
equate ventilation.
Always turn the engine off before
leaving the motorcycle unattended
and remove the key from the main
switch. When parking the motor-
cycle, note the following:
The engine and exhaust pipe(s)/
muffler(s) may be hot, therefore,
park the motorcycle in a placewhere pedestrians or children
are not likely to touch these hot
areas.
Do not park the motorcycle on a
slope or soft ground, otherwise it
may fall over.
Do not park the motorcycle near
a flammable source (e.g., a ker-
osene heater, or near an open
flame), otherwise it could catch
fire.
When transporting the motorcycle
in another vehicle, make sure that
it is kept upright and that the fuel
cock(s) are turned to “ON” or
“RES” (for vacuum type)/“OFF”
(for manual type). If the motorcycle
should lean over, gasoline may
leak out of the carburetor or fuel
tank.
If you should swallow any gaso-
line, inhale a lot of gasoline vapor,
or allow gasoline to get into your
eyes, see your doctor immediately.
If any gasoline spills on your skin
or clothing, immediately wash the
affected area with soap and water
and change your clothes.
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Page 25 of 78
INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EAU13211
Fuel Make sure that there is sufficient fuel in
the tank. Fill the fuel tank to the bottom
of the filler tube as shown.
WARNING
EWA10880
Do not overfill the fuel tank, oth-
erwise it may overflow when the
fuel warms up and expands.
Avoid spilling fuel on the hot en-gine.
CAUTION:
ECA10070
Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since
fuel may deteriorate painted surfac-es or plastic parts.
EAU41930
For CanadaCAUTION:
ECA11400
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts,
such as the valves and piston rings,as well as to the exhaust system.
Your Yamaha engine has been de-
signed to use regular unleaded gaso-
line with a pump octane number[(R+M)/2] of 86 or higher, or a research
octane number of 91 or higher. If
knocking (or pinging) occurs, use a
gasoline of a different brand or premi-
um unleaded fuel. Use of unleaded fuel
will extend spark plug life and reduce
maintenance cost.
Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that contain-
ing methanol. Gasohol containing
ethanol can be used if ethanol content
does not exceed 10%. Gasohol con-
taining methanol is not recommended
by Yamaha because it can cause dam-
age to the fuel system or vehicle perfor-
mance problems.
For Europe, Oceania and South Afri-
ca
1. Fuel tank filler tube
2. Fuel level
Recommended fuel:
REGULAR UNLEADED GASOLINE
ONLY
Fuel tank capacity:
3.1 L (0.82 US gal) (0.68 Imp.gal)
Fuel reserve amount:
0.4 L (0.11 US gal) (0.09 Imp.gal)
Recommended fuel:
For Europe: REGULAR UNLEADED
GASOLINE ONLY
For Oceania and South Africa: UN-
LEADED GASOLINE ONLY
Fuel tank capacity:
3.1 L (0.82 US gal) (0.68 Imp.gal)
Fuel reserve amount:
0.4 L (0.11 US gal) (0.09 Imp.gal)
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Page 43 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-6
6 2. Clean the surface of the spark plug
gasket and its mating surface, and
then wipe off any grime from the
spark plug threads.
3. Install the spark plug with the
spark plug wrench, and then tight-
en it to the specified torque.
NOTE:
If a torque wrench is not available when
installing a spark plug, a good estimate
of the correct torque is 1/4–1/2 turn
past finger tight. However, the spark
plug should be tightened to the speci-fied torque as soon as possible.
4. Install the spark plug cap.
EAU39840
Engine oil The engine oil level should be checked
before each ride. In addition, the oil
must be changed at the intervals spec-
ified in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the motorcycle on a level
surface and hold it in an upright po-
sition.NOTE:Make sure that the motorcycle is posi-
tioned straight up when checking the oil
level. A slight tilt to the side can result ina false reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Wait a few minutes until the oil set-
tles, remove the oil filler cap, wipe
the dipstick clean, insert it back
into the oil filler hole (without
screwing it in), and then remove it
again to check the oil level.
NOTE:
The 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.
Tightening torque:
Spark plug:
12.5 Nm (1.25 m·kgf, 9.0 ft·lbf)
1. Engine oil filler cap
2. Dipstick
3. Maximum level mark
4. Minimum level mark
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Page 45 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-8
6
EAU39831
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean the air filter element more fre-
quently if you are riding in unusually
wet or dusty areas.
To clean the air filter element
1. Remove the air filter case cover by
removing the screws.
2. Pull the sponge material and the
mesh out.3. Clean the mesh with solvent, and
then wipe the solvent off.
4. Clean the sponge material with
solvent, and then squeeze the re-
maining solvent out.
WARNING
EWA10430
Use only a dedicated parts cleaning
solvent. To avoid the risk of fire or
explosion, do not use gasoline orsolvents with a low flash point.CAUTION:
ECA10510
To avoid damaging the foam materi-
al, handle it gently and carefully, anddo not twist or wring it.
5. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
1. Screw
2. Air filter case cover
1. Sponge material
1. Air filter mesh
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Page 59 of 78
PERIODIC MAINTENANCE AND MINOR REPAIR
6-22
6
EAU23290
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
EAU40440
Battery This model is equipped with a sealed-
type (MF) battery, which does not re-
quire any maintenance. There is no
need to check the electrolyte or to add
distilled water.
WARNING
EWA10760
Electrolyte is poisonous and
dangerous since it contains sul-
furic acid, which causes severe
burns. Avoid any contact with
skin, eyes or clothing and al-
ways shield your eyes when
working near batteries. In case
of contact, administer the fol-
lowing FIRST AID.
EXTERNAL: Flush with plenty
of water.
INTERNAL: Drink large quan-
tities of water or milk and im-
mediately call a physician.
EYES: Flush with water for 15
minutes and seek prompt
medical attention.
Batteries produce explosive hy-
drogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
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Page 72 of 78
SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1305 mm (51.4 in)
Overall width:
595 mm (23.4 in)
Overall height:
775 mm (30.5 in)
Seat height:
555 mm (21.9 in)
Wheelbase:
925 mm (36.4 in)
Ground clearance:
135 mm (5.31 in)
Minimum turning radius:
1400 mm (55.1 in)Weight:With oil and fuel:
57.0 kg (126 lb)Engine:Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
49.0 cm³ (2.99 cu.in)
Bore × stroke:
36.0 × 48.6 mm (1.42 × 1.91 in)
Compression ratio:
9.50 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
(AUS)(AUT)(BEL)(CHE)(DEU)(DNK)(ESP
)(FIN)(FRA)(GBR)(GRC)(IRL)(NLD)(NOR)
(NZL)(PRT)(SWE)(ZAF)
YAMALUBE 4, SAE10W30 or SAE20W40
(CAN)
Recommended engine oil grade:
API service SE, SF, SG type or higherEngine 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:
Regular unleaded gasoline only
(AUT)(BEL)(CAN)(CHE)(DEU)(DNK)(ESP
)(FIN)(FRA)(GBR)(GRC)(IRL)(NLD)(NOR)
(PRT)(SWE)(ZAF)
Unleaded gasoline only (AUS)(NZL)
Fuel tank capacity:
3.1 L (0.82 US gal) (0.68 Imp.gal)
Fuel reserve amount:
0.4 L (0.11 US gal) (0.09 Imp.gal)Carburetor:Manufacturer:
MIKUNI
Type × quantity:
VM11 x 1Spark plug (s):Manufacturer/model:
NGK/CR7HSA
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
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40
10° 30° 50° 70° 90°
110°
0°
130°F
YAMALUBE 4 (10W30)
or SAE 10W30
YAMALUBE 4 (20W40)
or SAE 20W40
–10° 0° 10° 20° 30°
40° –20°
50°C
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