2015 YAMAHA TTR50 checking oil

TABLE OF CONTENTS
LOCATION OF IMPORTANT
LABELS..............................................1-1
SAFETY INFORMATION ...................2-1
DESCRIPTION ...................................3-1
Left view ..........................................3-1
Right view ........................................3-2
Controls and instruments ................3-3
INSTRUMENT AND CONTROL
FUNCTIONS .......................................4-1
Main switch .....................................4-1
Handlebar switches .........................4-1
Speed limiter ...................................4-2
Shift pedal .......................................4-3
Brake lever ......................................4-3
Brake pedal .....................................4-3
Fuel tank cap ...................................4-4
Fuel ..................................................4-4
Fuel tank breather hose...................4-6
Fuel cock .........................................4-7
Starter (choke) lever .......................4-8
Seat .................................................4-8
Sidestand ........................................4-9
Starting circuit cut-off system .........4-9 FOR YOUR SAFETY –
PRE-OPERATION CHECKS
............. 5-1
OPERATION AND IMPORTANT
RIDING POINTS ................................ 6-1
Starting and warming up a cold engine .......................................... 6-1
Starting a warm engine................... 6-2
Shifting............................................ 6-2
Engine break-in............................... 6-3
Parking ............................................ 6-4
PERIODIC MAINTENANCE AND
ADJUSTMENT .................................. 7-1
Periodic maintenance chart for the emission control system ............. 7-2
General maintenance and
lubrication chart .......................... 7-3
Checking the spark plug................. 7-6
Engine oil ........................................ 7-7
Cleaning the air filter element ......... 7-8
Cleaning the spark arrester .......... 7-10
Adjusting the carburetor ............... 7-11
Adjusting the engine idling speed......................................... 7-11
Checking the throttle grip free
play ............................................ 7-12
Valve clearance............................. 7-12
Tires .............................................. 7-13
Spoke wheels ............................... 7-14
Adjusting the clutch free play ....... 7-15 Adjusting the brake lever free
play ............................................ 7-15
Adjusting the brake pedal free play ............................................ 7-16
Checking the shift pedal ............... 7-17
Checking the front and rear brake
shoes ......................................... 7-17
Drive chain slack ........................... 7-18
Cleaning and lubricating the drive
chain .......................................... 7-19
Checking and lubricating the
cables ........................................ 7-20
Checking and lubricating the throttle grip and cable ............... 7-20
Checking and lubricating the brake lever ................................. 7-20
Checking and lubricating the
brake pedal ................................ 7-21
Checking and lubricating the sidestand ................................... 7-21
Lubricating the swingarm pivots ... 7-21
Checking the front fork ................. 7-22
Checking the steering ................... 7-22
Checking the wheel bearings ........ 7-23
Battery........................................... 7-23
Replacing the fuse ........................ 7-25
Supporting the motorcycle ........... 7-26
Front wheel ................................... 7-26
Rear wheel .................................... 7-28
Troubleshooting ............................ 7-30
Troubleshooting chart ................... 7-31
U2CJ82E0.book Page 1 Monday, June 23, 2014 2:58 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-8
7
3. Remove the engine oil filler cap,
the engine oil drain bolt and its
gasket to drain the oil from the
crankcase.
4. Install a new gasket and the drain bolt, and then tighten the drain
bolt to the specified torque.
5. Refill with the specified amount of the recommended engine oil, and
then install and tighten the oil filler
cap.
NOTICE
ECA11621
In or der to prevent clutch slip-
pa ge (since the en gine oil also
lu bricates the clutch), do not
mix any chemical add itives. Do
not use oils with a diesel speci-
fication of “CD” or oils of a hi gh-
er quality than specified . In
a dd ition, do not use oils lab eled
“ENERGY CONSERVING II” or
hi gher.
 Make sure that no forei gn mate-
rial enters the crankcase.6. Start the engine, and then let it idle for several minutes while checking
it for oil leakage. If oil is leaking,
immediately turn the engine off
and check for the cause.
7. Turn the engine off, and then check the oil level and correct it if
necessary.
EAU39835
Cleanin g the air filter elementThe air filter element should be cleaned
as follows at the intervals specified in
the periodic maintenance and lubrica-
tion chart. Clean or, if necessary, re-
place the air filter element more
frequently 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 air filter mesh out.
1. Engine oil drain bolt
2. GasketTightenin g torque:
Engine oil drain bolt: 20 Nm (2.0 m·kgf, 14 ft·lbf)1
2
Recommen ded en gine oil:
See page 9-1.
Oil chan ge quantity:
0.80 L (0.85 US qt, 0.70 Imp.qt)
1. Screw
2. Air filter case cover
U2CJ82E0.book Page 8 Monday, June 23, 2014 2:58 PM

11-1
11
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 serial number ............................ 10-1
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
U2CJ82E0.book Page 1 Monday, June 23, 2014 2:58 PM