light YAMAHA TZR50 2008 User Guide

If necessary, add 2-stroke engine
oil, and then check the warning
light again. If the warning light does
not come on when pushing the
start switch, or if it does not go off
after starting with sufficient 2-stro-
ke engine oil, have a Yamaha dealer
check the electrical circuit.
6. After starting the engine, move
the starter (choke) back halfway.
ECA11040
CAUTION:
For maximum engine life, never
accelerate hard when the engine is
cold!
7. When the engine is warm, turn
the starter (choke) off.
NOTE:
The engine is warm when it responds
normally to the throttle with the starter
(choke) turned off.
EAU16640
Starting a warm engine
Follow the same procedure as for
starting a cold engine with the excep-
tion that the starter (choke) is not
required when the engine is warm.
EAU16671
Shifting
1. Shift pedal
Shifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing
hills, etc.
The gear positions are shown in the
illustration.
NOTE:
To shift the transmission into the neu-
tral position, press the shift pedal
down repeatedly until it reaches the
end of its travel, and then slightly rai-
se it.
6
5
4
3
2
N
1
1
5
OPERATION AND IMPORTANT RIDING POINTS
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ECA10260
CAUTION:
Even with the transmission in
the neutral position, do not
coast for long periods of time
with the engine off, and do not
tow the motorcycle for long
distances. The transmission is
properly lubricated only when
the engine is running. Inade-
quate lubrication may damage
the transmission.
Always use the clutch while
changing gears to avoid dama-
ging the engine, transmission,
and drive train, which are not
designed to withstand the
shock of forced shifting.
EAU16800
Tips for reducing fuel
consumption
Fuel consumption depends largely on
your riding style. Consider the follo-
wing tips to reduce fuel consumption:
Turn the starter (choke) off as
soon as possible.
Shift up swiftly, and avoid high
engine speeds during accelera-
tion.
Do not rev the engine while shif-
ting down, and avoid high engine
speeds with no load on the engi-
ne.
Turn the engine off instead of let-
ting it idle for an extended length
of time (e.g., in traffic jams, at
traffic lights or at railroad cros-
sings).
EAU16830
Engine break-in
There is never a more important
period in the life of your engine than
the period between 0 and 1000 km
(600 mi). For this reason, you should
read the following material carefully.
Since the engine is brand new, do not
put an excessive load on it for the first
1000 km (600 mi). The various parts in
the engine wear and polish themsel-
ves to the correct operating clearan-
ces. During this period, prolonged
full-throttle operation or any condition
that might result in engine overhea-
ting must be avoided.
EAU17130
0~500 km (0~300 mi)
Avoid prolonged operation above
4.000 r/min.
After every hour of operation, stop the
engine, and then let it cool for five to
ten minutes.
Vary the engine speed from time to
time. Do not operate the engine at
one set throttle position.
5
OPERATION AND IMPORTANT RIDING POINTS
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ODOMETER READING (x 1000 Km)
ANNUAL
NO ITEM CHECK OR MAINTENANCE JOB
1 6 12 18 24CHECK
21Transmission oil• Check oil level.√√ √ √√ √
• Change.√√
22 *Front and rear brake
switches• Check operation.√√ √ √√ √
23Moving parts and cables• Lubricate.√√√√ √
Throttle grip housing• Check operation and free play.
24 * • Adjust the throttle cable free play if necessary.√√√√ √
and cable
• Lubricate the throttle grip housing and cable.
25 *Lights, signals and • Check operation.
switches• Adjust headlight beam.√√ √ √√ √
6
PERIODIC MAINTENANCE AND MINOR REPAIR
6-4
EAUM1890
NOTE:
Replace the air filter element more frequently if you are riding in unusually wet or dusty areas.
Hydraulic brake service
• Regularly check and, if necessary, correct the brake fluid level.
• Every two years replace the internal components of the brake master cylinder, and change the brake fluid.
• Replace the brake hoses every four years and if cracked or damaged.
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EAU19630
Checking the spark plug
The spark plug is an important engine
component, which is easy to check.
Since heat and deposits will cause
any spark plug to slowly erode, the
spark plug should be removed and
checked in accordance with the
periodic maintenance and lubrication
chart. In addition, the condition of the
spark plug can reveal the condition of
the engine.
To remove the spark plug
1. Remove cowling C. (See page
6-5.)
1. Spark plug cap
2. Remove the spark plug cap.
1. Spark plug wrench
3. Remove the spark plug as
shown, with the spark plug
wrench included in the owner’s
tool kit.
To check the spark plug
1. Check that the porcelain insula-
tor around the center electrode of
the spark plug is a medium-to-
light tan (the ideal color when the
motorcycle is ridden normally).
NOTE:
If the spark plug shows a distinctly
different color, the engine could be
defective. Do not attempt to diagnose
such problems yourself. Instead, have
a Yamaha dealer check the motorcy-
cle.
2. Check the spark plug for electro-
de erosion and excessive carbon
or other deposits, and replace it if
necessary.
To install the spark plug
1. Measure the spark plug gap with
a wire thickness gauge and, if
necessary, adjust the gap to spe-
cification.
2. Clean the surface of the spark
plug gasket and its mating surfa-
ce, and then wipe off any grime
from the spark plug threads.
Spark plug gap:
0.6 ~ 0.7 mm (0.023 ~ 0.027 in)
Specified spark plug:
NGK BR9 ES
1
1
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1. Spark plug wrench
3. Install the spark plug with the
spark plug wrench, and then
tighten it to the specified torque.
NOTE:
If a torque wrench is not available
when installing a spark plug, a good
estimate of the correct torque is
1/4~1/2 turn past finger tight. Howe-
ver, the spark plug should be tighte-
ned to the specified torque as soon
as possible.
4. Install the spark plug cap.
5. Install the cowling.EAUM1270
Transmission oil
The transmission oil level should be
checked before each ride. In addition,
the oil must be changed at the inter-
vals specified in the periodic mainte-
nance and lubrication chart.
To check the transmission oil level
1. Place the vehicle on a level surface
and hold it in an upright position.
NOTE:
Make sure that the vehicle is positio-
ned straight up when checking the oil
level. A slight tilt to the side can result
in a false reading.
1. Oil filler cap
2. Oil check bolt
3. Transmission oil drain bolt
3
2
1
Tightening torque:
Spark plug:
22.5 Nm (2.2 m•kgf, 16.3 ft•lbf)
1
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NOTE:
The coolant level must be chec-
ked on a cold engine since the
level varies with engine tempera-
ture.
Make sure that the vehicle is
positioned straight up when
checking the coolant level. A
slight tilt to the side can result in
a false reading.
2. Check the coolant level in the
coolant reservoir.
NOTE:
The coolant should be between the
minimum and maximum level marks.
3. If the coolant is at or below the
minimum level mark, open thereservoir cap, add coolant to the
maximum level mark, and then
close the reservoir cap.
EWA10380
s s
WARNING
Never attempt to remove the radia-
tor cap when the engine is hot.
NOTE:
If the engine overheats, see page
6-33 for further instructions.
EAU20431
To change the coolant
1. Place the vehicle on the centers-
tand and let the engine cool if
necessary.
2. Remove cowlings A and B. (See
page 6-5.)
3. Place a container under the engi-
ne to collect the used coolant.
1. Radiator cap
2. Coolant drain bolt
4. Remove the radiator cap.EWA10380
s s
WARNING
Never attempt to remove the radia-
tor cap when the engine is hot.
5. Remove the coolant drain bolt to
drain the cooling system.
6. After the coolant is completely
drained, thoroughly flush the
cooling system with clean tap
water.
7. Install the coolant drain bolt, and
then tighten it to the specified
torque.
1
2
MAX
MIN
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EAUT1220
Checking the front brake
lever free play
1. Brake lever free play
The brake lever free play should mea-
sure 2~5 mm (0.08~0.20 in) as shown.
Periodically check the brake lever free
play and, if necessary, have a Yamaha
dealer check the brake system.
EWA10640
s s
WARNING
An incorrect brake lever free play
indicates a hazardous condition in
the brake system. Do not operate
the motorcycle until the brake sys-
tem has been checked or repaired
by a Yamaha dealer.
EAUM1352
Adjusting the brake pedal
free play
1. Brake pedal free play
The brake pedal free play should
measure 10~15 mm (0.39~0.59 in) as
shown. Periodically check the brake
pedal free play and, if necessary, have
a Yamaha dealer adjust it.
EWAM1010
s s
WARNING
You are hereby informed that any
attempt to change the engine or
any other part to increase the sco-
oter’s performance or power is
strictly forbidden by law.
Any change resulting in an
increase of the vehicle’s maxi-
mum speed or in an increase of
the engine’s capacity entails a
category classification shift
from scooter to light motorcy-
cle, with all the consequences
relating to the latter category,
compelling the owner to:
- proceed with a new certifica-
tion,
- have the vehicle registered,
- hold a driving license (pur-
suant to the new legislation).
In addition, you are informed that
such changes will bar you from
insurance coverage insofar as
insurance policies expressly stipu-
late that such technical changes
brought with a view to enhancing
performance are forbidden.
For the above-mentioned reasons,
any violation of the rules forbidding
personal or otherwise third-party
interventions is punishable by law
with penalties (including seizure of
the vehicle) to which, as the case
may be, penalties may be added
relating to the failure to wear a
1
1
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crash helmet, the failure to identify
the vehicle, the failure to have an
insurance, or the failure to hold a
driving license.
EAUB1100
Adjusting the shift pedal
position
1. Shift pedal
The top of the shift pedal should be
positioned approximately 65 mm
(2.5590 in) below the top of the foo-
trest as shown. Periodically check the
shift pedal position and, if necessary,
have a Yamaha dealer adjust it.
EAU22270
Adjusting the rear brake light
switch
1. Rear brake light switch
2. Rear brake light switch adjusting nut
The rear brake light switch, which is
activated by the brake pedal, is pro-
perly adjusted when the brake light
comes on just before braking takes
effect. If necessary, adjust the brake
light switch as follows.
Turn the adjusting nut while holding
the rear brake light switch in place. To
make the brake light come on earlier,
turn the adjusting nut in direction (a).
To make the brake light come on later,
turn the adjusting nut in direction (b).
EAU22390
Checking the front and rear
brake pads
The front and rear brake pads must
be checked for wear at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU22430
Front brake pads
1. Brake pad wear indicator grove
Each front brake pad is provided with
wear indicator grooves, which allow
you to check the brake pad wear wit-
hout having to disassemble the brake.
To check the brake pad wear, check
the wear indicator grooves. If a brake
pad has worn to the point that the
wear indicator grooves have almost
11
a
b
1 2
1
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EAU23481
Replacing the fuse
The fuse holder is located under the
seat. (See page 3-9.)
If the fuse is blown, replace it as
follows.
1. Turn the key to “
e” and turn off
all electrical circuits.
2. Remove the blown fuse, and then
install a new fuse of the specified
amperage.
ECA10640
CAUTION:
Do not use a fuse of a higher ampe-
rage rating than recommended to
avoid causing extensive damage to
the electrical system and possibly a
fire.
3. Turn the key to “f” and turn on
the electrical circuits to check if
the devices operate.
4. If the fuse immediately blows
again, have a Yamaha dealer
check the electrical system.
EAU23800
Replacing the headlight bulb
This model is equipped with a quartz
bulb headlight. If the headlight bulb
burns out, replace it as follows.
1. Headlight bulb cover
1. Remove the headlight bulb cover,
and then disconnect the head-
light lead connectors.
1
Specified fuse:
10 A
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1. Headlight lead connectors
2. Headlight bulb holder
2. Unhook the headlight bulb hol-
der, and then remove the defecti-
ve bulb.
EWA10790
s s
WARNING
Headlight bulbs get very hot. The-
refore, keep flammable products
away from a lit headlight bulb, and
do not touch the bulb until it has
cooled down.
3. Place a new headlight bulb into
position, and then secure it with
the bulb holder.
ECA10660
CAUTION:
Do not touch the glass part of the
headlight bulb to keep it free from
oil, otherwise the transparency of
the glass, the luminosity of the
bulb, and the bulb life will be adver-
sely affected. Thoroughly clean off
any dirt and fingerprints on the
headlight bulb using a cloth mois-
tened with alcohol or thinner.
4. Connect the headlight lead con-
nectors, and then install the bulb
cover.
5. Have a Yamaha dealer adjust the
headlight beam if necessary.
EAUS1150
Replacing the license plate
light bulb
1. Remove the lens by removing the
screw.
2. Remove the defective bulb by
pulling it out.
3. Insert a new bulb into the socket.
4. Install the lens by installing the
screw.
ECA11190
CAUTION:
Do not overtighten the screw,
otherwise the lens may break.
1
2
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