2013 YAMAHA TTR50 fuel

INSTRUMENT AND CONTROL FUNCTIONS
4-8
4
This indicates reserve. If you run out of
fuel while riding, move the lever to this
position. Fill the tank at the first oppor-
tunity. Be sure to set the lever back to
“ON” after refueling!
EAU13590
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).
EAU13960
Seat To remove the seat
Remove the bolts, and then pull the
seat off.
To install the seat
1. Insert the projections on the front of the seat into the seat holders as
shown.
1. Starter (choke) lever “ ”
1
(a)
(b)
1. Bolt
U2CJ80E0.book Page 8 Tuesday, June 12, 2012 11:15 AM

FOR YOUR SAFETY – PRE-OPERATION CHECKS
5-1
5
EAU15596
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11151
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage.
Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in
this manual, have the vehicle inspected by a Yamaha dealer.Before using this vehicle, check the following points:
ITEMCHECKS PAGE
Fuel Check fuel level in fuel tank.
Refuel if necessary.
Check fuel line for leakage.
Check fuel tank breather hose for obs
tructions, cracks or damage, and check
hose connection. 4-4, 4-7
Engine oil Check oil level in engine.
If necessary, add recommended oil to specified level.
Check vehicle for oil leakage. 7-7
Front brake Check operation.
Lubricate cable if necessary.
Check lever free play.
Adjust if necessary.
7-15, 7-17
Rear brake Check operation.
Check pedal free play.
Adjust if necessary. 7-16, 7-17
Throttle grip Make sure that operation is smooth.
Check throttle grip free play.
If necessary, have Yamaha dealer adjust throttle grip free play and lubricate cable
and grip housing. 7-12, 7-20
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OPERATION AND IMPORTANT RIDING POINTS
6-1
6
EAU15951
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
EWA10271
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which could cause an accident
or injury.
EAU40098
Starting and warming up a
cold engine 1. Turn the fuel cock lever to “ON”.
2. Turn the key to “ON” and makesure that the engine stop switch is
set to “ ”.
3. Shift the transmission into the neu- tral position.
WARNING
EWA14410
●
Be sure to shift the transmis-
sion into neutral before starting
the engine.
●
Never ride with the sidestand
down.
4. Turn the starter (choke) on andcompletely close the throttle.
5. Start the engine by pushing the start switch.
6. When the engine is warm, turn the starter (choke) off.TIPThe engine is warm when it responds
quickly to the throttle with the starter
(choke) turned off.
NOTICE
ECA11042
For maximum engine life, never ac-
celerate hard when the engine is
cold!
U2CJ80E0.book Page 1 Tuesday, June 12, 2012 11:15 AM

OPERATION AND IMPORTANT RIDING POINTS
6-4
6
EAU17171
Parking When parking, stop the engine, remove
the key from the main switch, and then
turn the fuel cock lever to “OFF”.
WARNING
EWA10311
●
Since the engine and exhaust
system can become very hot,
park in a place where pedestri-
ans or children are not likely to
touch them and be burned.
●
Do not park on a slope or on soft
ground, otherwise the vehicle
may overturn, increasing the
risk of a fuel leak and fire.
●
Do not park near grass or other
flammable materials which
might catch fire.
U2CJ80E0.book Page 4 Tuesday, June 12, 2012 11:15 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-2
7
EAU39944
Periodic 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 CHECKS AND MAINTENANCE JOBS INITIAL ODOMETER READINGS
1000 km
(600 mi) or
1 month or 30 hours 3000 km
(1800 mi) or
6 months or 90 hours 5000 km
(3000 mi) or
12 months or 150 hours
1 *Fuel line Check fuel hoses for cracks or damage.
Replace if necessary. √√
2 Spark plug Check condition.
Adjust gap and clean.
√√
3 *Valve clearance Check and adjust valve clearance when engine is cold. √
4 Air filter element Clean with solvent.
Replace if necessary. √√
5 *Crankcase breather sys-
tem Check ventilation hose for cracks or damage and drain
any deposits.
Replace if necessary. √√√
6 *Carburetor 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. √
9 Engine oil Change (warm engine before draining). √√√
U2CJ80E0.book Page 2 Tuesday, June 12, 2012 11:15 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-12
7
rection (a). To decrease the en-
gine idling speed, turn the screw in
direction (b).
TIPIf the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
EAU21384
Checking the throttle grip free
play The throttle grip free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha deal-
er adjust it.
EAU21401
Valve clearance The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
1. Throttle stop screwEngine idling speed: 1600–1800 r/min
(a)
(b)
1
1. Throttle grip free play
1
U2CJ80E0.book Page 12 Tuesday, June 12, 2012 11:15 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-29
77. Remove the wheel.
EAU39783
To install the rear wheel
1. Install the drive chain onto the rear sprocket, lift the rear wheel off the
ground, and then install the drive
chain puller and the wheel by in-
serting the wheel axle from the
right-hand side.TIPMake sure that the slot in the brake
shoe plate fits over the retainer on the
swingarm.2. Install the drive chain puller, wash-er and axle nut. 3. Connect the brake rod to the brake
camshaft lever, and then install the
brake pedal free play adjusting nut
onto the brake rod.
4. Lower the rear wheel so that it is on the ground, and then put the
sidestand down.
5. Adjust the drive chain slack. (See page 7-18.)
6. Tighten the axle nut to the speci- fied torque.
7. Adjust the brake pedal free play. (See page 7-16.)
EAU25851
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.
WARNING
EWA15141
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the ar-
ea, including pilot lights from water
1. Slot
2. Retainer
Tightening torque: Axle nut:60 Nm (6.0 m·kgf, 43 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-31
7
EAU25903
Troubleshooting chart
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition. Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.
DryWet
Open the throttle halfway and operate
the electric starter.
U2CJ80E0.book Page 31 Tuesday, June 12, 2012 11:15 AM