steering wheel adjustment YAMAHA TTR50 2011 Owners Manual

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 ................. 4-5
Fuel cock ........................................ 4-6
Starter (choke) lever ....................... 4-7
Seat ................................................ 4-7
Sidestand ....................................... 4-8
Starting circuit cut-off system ......... 4-8FOR 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
Adjusting the throttle cable free
play ........................................... 7-12
Valve clearance ........................... 7-13
Tires ............................................. 7-13
Spoke wheels .............................. 7-14
Adjusting the clutch free play ....... 7-15Adjusting 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 ........... 7-25
Front wheel .................................. 7-26
Rear wheel ................................... 7-28
Troubleshooting ........................... 7-29
Troubleshooting chart .................. 7-31
U1P685E0.book Page 1 Tuesday, April 20, 2010 3:18 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-22
7
EAU42081
Checking the front fork The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
Check the inner tubes for scratches
and damage.
To check the operation
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion. WARNING! To avoid injury,
securely support the vehicle so
there is no danger of it falling
over.
[EWA10751]
2. While applying the front brake,
push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
NOTICE
ECA10590
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-
pair it.
EAU23283
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place a stand under the engine to
raise the front wheel off the
ground. (See page 7-25 for more
information.) WARNING! To
avoid injury, securely support
the vehicle so there is no danger
of it falling over.
[EWA10751]
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
U1P685E0.book Page 22 Tuesday, April 20, 2010 3:18 PM