lock YAMAHA TT-R50E 2019 Owners Manual

Instrument and control functions
4-2
4
EAU39865
Spee d limiter
Your 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 be injure d. 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 pag e 7-13.)
1. Locknut
2. Adjusting screw
1. No more than 28 mm (1.1 in)
12
(b)
(a)
1
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Instrument and control functions
4-4
4
EAU12944
Brake ped al
The brake pedal is located on the right
side of the motorcycle. To apply the
rear brake, press down on the brake
pedal.
EAU13183
Fuel tank cap
To remove the fuel tank cap, turn it
counterclockwise, and then pull it off.
To install the fuel tank cap, insert it into
the tank opening, and then turn it
clockwise.
WARNING
EWA11092
Make sure that the fuel tank cap is
properly close d after fillin g fuel.
Leakin g fuel is a fire hazar d.
1. Brake pedal
1
1. Fuel tank cap
1
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Instrument and control functions
4-6
4 Australia, New Zealan
d, South Africa
Use gasoline with a research octane
number of 91 or higher.
Europe
Use gasoline with a research octane
number of 95 or higher.
TIP
 If knocking (or pinging) occurs, try
gasoline of a different brand or use
premium unleaded gasoline.
 Gasohol containing ethanol can
be used if the ethanol content
does not exceed 10% (E10).
 Gasohol containing methanol is
not recommended by Yamaha be-
cause it can cause damage to the
fuel system or vehicle perfor-
mance problems.
For Europe
TIP
This mark identifies the recom-
mended fuel for this vehicle as
specified by European regulation
(EN228).
 Confirm the fuel dispenser nozzle
has the same mark.
EAU13414
Fuel tank breather hose
Before operating the motorcycle:
 Check the fuel tank breather hose
connection.
 Check the fuel tank breather hose
for cracks or damage, and replace
it if necessary.
 Make sure that the fuel tank
breather hose is not blocked, and
clean it if necessary.
E5E10
1. Fuel tank breather hose
1
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Periodic maintenance an d a djustment
7-16
7
EAU46252
A djustin g the clutch free play
The clutch free play must be checked
and, if necessary, adjusted as follows
at the intervals specified in the periodic
maintenance and lubrication chart.
1. Remove the clutch adjusting screw cover by removing the
screws.
2. Loosen the locknut.
3. Slowly turn the clutch adjusting screw in direction (a) until resis-
tance is felt, and then turn it 1/8
turn in direction (b).
4. Tighten the locknut to the speci- fied torque.
TIP
When tightening the locknut, hold the
clutch adjusting screw with a screw-
driver so that it does not turn together
with the locknut.
5. Install the clutch adjusting screwcover by installing the screws.
1. Screw
2. Clutch adjusting screw cover
1. Locknut
2. Clutch adjusting screw
Tightening torque:
Locknut: 6 N·m (0.6 kgf·m, 4.4 lb·ft)
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Periodic maintenance an d a djustment
7-20
7
EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU82990To check the drive chain slack
1. Place the motorcycle on the side- stand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the neutral position.
3. Remove the lower chain cover by removing the bolts.
4. Measure the drive chain slack as shown. 5. Install the lower chain cover by in-
stalling the bolts.
6. If the drive chain slack is incorrect, adjust it as follows. NOTICE: Im-
proper drive chain slack will
overloa d the en gine as well as
other vital parts of the motorcy-
cle an d can lead to chain slip-
pa ge or b reakag e. To prevent
this from occurrin g, keep the
d rive chain slack within the
specified limits. [ECA10572]
EAU83000
To adjust the d rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack. 1. Remove the lower chain cover by removing the bolts.
2. Loosen the brake pedal free play adjusting nut, axle nut, and lock-
nut at each end of the swingarm.
1. Bolt
2. Lower chain cover
1. Drive chain slack
1
2
1
Drive chain slack: 35.0–45.0 mm (1.38–1.77 in)
1. Brake pedal free play adjusting nut
2. Drive chain slack adjusting nut
3. Locknut
1
2
3
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Periodic maintenance an d a djustment
7-21
7
3. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward.TIP
Using the alignment marks on each
side of the swingarm, make sure that
both drive chain pullers are in the same
position for proper wheel alignment.
4. Tighten the axle nut and bothlocknuts to the specified torques. 5. Adjust the brake pedal free play.
(See page 7-18.)
6. Make sure that the drive chain pullers are in the same position,
the drive chain slack is correct,
and the drive chain moves
smoothly.
7. Install the lower chain cover by in- stalling the bolts.
1. Axle nut
2. Drive chain slack adjusting nut
3. Locknut
1. Alignment marks
2. Drive chain puller
3. Drive chain slack adjusting nut
231
(b)(a)
321
Ti
ghtenin g torques:
Axle nut: 60 N·m (6.0 kgf·m, 44 lb·ft)
Locknut:
7 N·m (0.7 kgf·m, 5.2 lb·ft)
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Periodic maintenance an d a djustment
7-31
7
6. Connect the brake cable to the
brake camshaft lever, and then in-
stall the brake lever free play ad-
justing nut on the brake cable.
TIP
If the spring was removed, install it
onto the brake cable with its smaller di-
ameter end facing down.
7. Adjust the brake lever free play.(See page 7-17.)
8. While applying the front brake, push down hard on the handlebar
several times to check for proper
fork operation.
EAU25081
Rear wheel
EAU56734
To remove the rear wheel1. Loosen the axle nut.
2. Remove the brake pedal free play adjusting nut, and then discon-
nect the brake rod from the brake
camshaft lever.
3. Fully loosen the locknut and drive chain slack adjusting nut on each
end of the swingarm.
Tightening torque:
Axle nut: 35 N·m (3.5 kgf·m, 26 lb·ft)
1. Brake cable
2. Spring
1
2
1. Axle nut
2. Washer
3. Drive chain slack adjusting nut
4. Locknut
5. Drive chain puller
1. Brake pedal free play adjusting nut
2. Brake rod
3. Brake camshaft lever
1
5
43
2
12
3
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