2014 YAMAHA TTR50 stop start

DESCRIPTION
3-3
3
EAU10431
Controls and instruments
14
5
2
6
3
1. Engine stop switch (page 4-1)
2. Starter (choke) lever (page 4-8)
3. Main switch (page 4-1)
4. Brake lever (page 4-3)
5. Throttle grip (page 7-12)
6. Start switch (page 4-1)
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INSTRUMENT AND CONTROL FUNCTIONS
4-1
4
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Main switchThe main switch controls the ignition
system. The main switch positions are
described below.
EAU10631
ON
All electrical systems are supplied with
power, and the engine can be started.
The key cannot be removed.
EAU45752
OFF
All electrical systems are off. The key
can be removed.
WARNING
EWA10073
Never turn the key to “OFF” while
the vehicle is moving, otherwise the
electrical systems will be switched
off, which may result in loss of con-
trol or an acci dent.
EAU1234F
Han dle bar switchesLeft
Ri ght 1. Engine stop switch “ / ”
1. Start switch “ ”
1
U2CJ81E0.book Page 1 Wednesday, July 10, 2013 3:54 PM

INSTRUMENT AND CONTROL FUNCTIONS
4-2
4
EAU12661
Engine 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.
EAU12713
Start 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.
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Spee d limiterYour motorcycle is equipped with an
adjustable speed limiter. The speed
limiter keeps the throttle from fully
opening, even when the throttle grip is
turned to the maximum.
1. Loosen the locknut.
2. To increase the maximum engine power available and the maximum
speed of the motorcycle, turn the
adjusting screw in direction (a). To
decrease the maximum engine
power available and the maximum
speed of the motorcycle, turn the
adjusting screw in direction (b).
3. Tighten the locknut.
WARNING
EWA14404
Improper a djustment of the spee d
limiter coul d cause improper throttle
operation. You coul d lose control,
have an acci dent or b e injured. Do
not turn the a djustin g screw out
more than 28 mm (1.1 in). Always
make sure the throttle g rip free play
is a djuste d to 3.0–5.0 mm (0.12–0.20
in). (See pa ge 7-12.)
1. Locknut
2. Adjusting screw
1 2
(b)
(a)
1. No more than 28 mm (1.1 in)
1
U2CJ81E0.book Page 2 Wednesday, July 10, 2013 3:54 PM

INSTRUMENT AND CONTROL FUNCTIONS
4-10
4
With the engine turned off:
1. Make sure that the engine stop switch is set to “”.
2. Turn the key to “ON”.
3. Shift the transmission into gear.
4. Keep the front or rear brake applied.
5. Push the start switch.
Does the engine start?
The neutral switch may not be working correctly.
The motorcycle should not be ridden until
checked by a Yamaha dealer.
6. Shift the transmission into the neutral position.
7. Push the start switch.
Does the engine start?
The neutral switch may not be working correctly.
The motorcycle should not be ridden
until
checked by a Yamaha dealer.
YES
NO
The system is OK. The motorcycle can be ridden.
YES
NO
If a malfunction is noted, have a Yamaha
dealer check the system before riding.
WARNING
U2CJ81E0.book Page 10 Wednesday, July 10, 2013 3:54 PM

OPERATION AND IMPORTANT RIDING POINTS
6-1
6
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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.
EAU40099
Startin g an d warmin g up a
col d en gine1. 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.
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
ECA11043
For maximum en gine life, never ac-
celerate har d when the en gine is
col d!
U2CJ81E0.book Page 1 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-11
73. Insert the tailpipe into the muffler,
and then install and tighten the
bolts to the specified torque.
TIPMake sure to align the bolt holes when
inserting the tailpipe.
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Adjustin g the car buretorThe carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, most
carburetor adjustments should be left
to a Yamaha dealer, who has the nec-
essary professional knowledge and ex-
perience. The adjustment described in
the following section, however, may be
serviced by the owner as part of rou-
tine maintenance.NOTICE
ECA10551
The car buretor has b een set and ex-
tensively teste d at the Yamaha fac-
tory. Chang ing these settin gs
without sufficient technical knowl-
e dge may result in poor perfor-
mance of or damag e to the en gine.
EAU21363
A djustin g the en gine i dlin g
spee dThe engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.TIPA diagnostic tachometer is needed to
make this adjustment.1. Attach the tachometer to the
spark plug lead.
2. Start the engine and warm it up for several minutes at 1000–2000
r/min while occasionally revving it
to 4000–5000 r/min.TIPThe engine is warm when it quickly re-
sponds to the throttle.3. Check the engine idling speedand, if necessary, adjust it to
specification by turning the throt-
tle stop screw. To increase the en-
gine idling speed, turn the screw in
Tightenin g torque:
Tailpipe bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
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INDEXAAir filter element, cleaning ...................... 7-8BBattery .................................................. 7-23
Brake lever .............................................. 4-3
Brake lever, checking and lubricating ........................................... 7-20
Brake lever free play, adjusting ............ 7-15
Brake pedal............................................. 4-3
Brake pedal, checking and lubricating ........................................... 7-21
Brake pedal free play, adjusting ........... 7-16
Brake shoes, checking ......................... 7-17CCables, checking and lubricating ......... 7-20
Carburetor, adjusting ............................ 7-11
Care ........................................................ 8-1
Clutch free play, adjusting .................... 7-15DDrive chain, cleaning and lubricating .... 7-19
Drive chain slack................................... 7-18EEngine break-in....................................... 6-3
Engine idling speed .............................. 7-11
Engine oil ................................................ 7-7
Engine, starting a warm .......................... 6-2
Engine stop switch ................................. 4-2FFront fork, checking .............................. 7-22
Fuel ......................................................... 4-4
Fuel cock ................................................ 4-7
Fuel tank breather hose .......................... 4-6
Fuel tank cap .......................................... 4-4
Fuse, replacing ..................................... 7-25
HHandlebar switches ................................ 4-1IIdentification numbers .......................... 10-1LLabels, location ...................................... 1-1MMain switch ............................................ 4-1
Maintenance and lubrication, periodic ... 7-3
Maintenance, emission control
system.................................................. 7-2
Matte color, caution ............................... 8-1
Model label ........................................... 10-1PParking ................................................... 6-4
Part locations ......................................... 3-1SSafety information .................................. 2-1
Seat ........................................................ 4-8
Shifting ................................................... 6-2
Shift pedal .............................................. 4-3
Shift pedal, checking ............................ 7-17
Sidestand ............................................... 4-9
Sidestand, checking an d lubricating .... 7-21
Spark arrester, cleaning ....................... 7-10
Spark plug, checking.............................. 7-6
Specifications ......................................... 9-1
Speed limiter .......................................... 4-2
Starter (choke) lever ............................... 4-8
Starting and warming up a cold engine .................................................. 6-1
Starting circuit cut-off system ................ 4-9
Start switch ............................................ 4-2
Steering, checking................................ 7-22 Storage ...................................................8-3
Supporting the motorcycle ...................7-26
Swingarm pivots, lubricating ................7-21
TThrottle grip and cable, checking and
lubricating ...........................................7-20
Throttle grip free play, checking ...........7-12
Tires ......................................................7-13
Troubleshooting ....................................7-30
Troubleshooting chart ...........................7-31VValve clearance .....................................7-12
Vehicle Emission Control Information label (For Canada)...............................10-2
Vehicle identification number ................10-1WWheel bearings, checking .....................7-23
Wheel (front) ..........................................7-26
Wheel (rear) ...........................................7-28
Wheels ..................................................7-14
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