light YAMAHA SCR950 2017 Owner's Manual

Periodic maintenance an d a djustment
6-11
6
EAU19643
Checkin g the spark plu gsThe spark plugs are important engine
components, which should be
checked periodically, preferably by a
Yamaha dealer. Since heat and depos- its will cause any spark plug to slowly
erode, they should be removed and
checked in accordance with the peri-
odic maintenance and lubrication
chart. In addition, the condition of the
spark plugs can reveal the condition of
the engine.
The porcelain insulator around the
center electrode of each spark plug
should be a medium-to-light tan (the
ideal color when the vehicle is ridden
normally), and all spark plugs installed
in the engine should have the same
color. If any spark plug shows a dis-
tinctly different color, the engine could
be operating improperly. Do not at-
tempt to diagnose such problems
yourself. Instead, have a Yamaha deal-
er check the vehicle.
If a spark plug shows signs of elec-
trode erosion and excessive carbon or
other deposits, it should be replaced. Before installing a spark plug, the
spark plug gap should be measured
with a wire thickness gauge and, if
necessary, adjusted to specification.
Clean the surface of the spark plug
gasket and its mating surface, and
then wipe off any grime from the spark
plug threads.
TIPIf 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. However, the
spark plug should be tightened to the
specified torque as soon as possible.
Specifie
d spark plu g:
NGK/CPR7EA-91. Spark plug gapSpark plu g g ap:
0.8–0.9 mm (0.031–0.035 in)
Ti ghtenin g torque:
Spark plug: 13 N·m (1.3 kgf·m, 9.4 lb·ft)
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Periodic maintenance an d a djustment
6-12
6
EAU36112
CanisterThis model is equipped with a canister
to prevent the discharging of fuel vapor
into the atmosphere. Before operating
this vehicle, make sure to check the
following:
 Check each hose connection.
 Check each hose and canister for
cracks or damage. Replace if
damaged.
 Make sure that the canister
breather is not blocked, and if
necessary, clean it.
EAU47115
Engine oil an d oil filter car-
tri dgeThe engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter car-
tridge replaced at the intervals speci-
fied in the periodic maintenance and
lubrication chart.
To check the en gine oil level
1. Place the vehicle on a level surfa- ce and hold it in an upright posi-
tion. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for several minutes, and then turn it
off.
3. Wait a few minutes until the oil set- tles.
4. Remove the engine oil filler cap, wipe the engine oil dipstick clean,
insert it back into the oil filler hole
(without screwing it in), and then
remove it again to check the oil
level.
TIPThe engine oil should be between the
minimum and maximum level marks.
1. Canister
2. Canister breather
1
2
1. Engine oil filler cap
1. Engine oil dipstick
2. O-ring
3. Maximum level mark
4. Minimum level mark
1
1
432
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Periodic maintenance an d a djustment
6-14
6
7. Install the engine oil drain bolt and its new gasket, and then tighten
the bolt to the specified torque.
8. Refill with the specified amount of the recommended engine oil.
TIPBe sure to wipe off spilled oil on any
parts after the engine and exhaust sys-
tem have cooled down.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.9. Check the O-ring for damage, and replace it if necessary. 10. Install and tighten the engine oil
filler cap.
11. 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.
TIPAfter the engine is started, the engine
oil level warning light should go off if
the oil level is sufficient.
1. Torque wrench
2. Oil filter cartridgeTightenin g torque:
Oil filter cartridge: 17 N·m (1.7 kgf·m, 12 lb·ft)
Ti ghtenin g torque:
Engine oil drain bolt: 43 N·m (4.3 kgf·m, 31 lb·ft)
1
2
Recommen ded en gine oil:
See page 8-1.
Oil quantity: Oil change:
3.70 L (3.91 US qt, 3.26 Imp.qt)
With oil filter removal: 4.00 L (4.23 US qt, 3.52 Imp.qt)
1. Engine oil filler cap
2. O-ring
2
1
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Periodic maintenance an d a djustment
6-20
6
b
rakin g performance, which may re-
sult in loss of control an d an acci-
d ent.
EAU36504
Brake li ght switchesThe brake light, which is activated by
the brake pedal and brake lever,
should come on just before braking
takes effect. If necessary, have a
Yamaha dealer adjust the brake light
switches.
EAU22393
Checkin g the front an d rear
b rake pa dsThe front and rear brake pads must be
checked for wear at the intervals spec-
ified in the periodic maintenance and
lubrication chart.
EAU22432
Front brake pad s
Each front brake pad is provided with
wear indicator grooves, which allow
you to check the brake pad wear with-
out 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 wear1. Brake pad wear indicator groove11
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Periodic maintenance an d a djustment
6-29
6
TIPTo access the ABS motor fuse, remove
the starter relay cover by pulling it up-
ward.
If a fuse is blown, replace it as follows.
1. Turn the key to “OFF” and turn off the electrical circuit in question.
2. Remove the blown fuse, and then install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a hi gher ampera ge
ratin g than recommen ded to
avoi d causin g extensive d am-
a g e to the electrical system an d
possi bly a fire.
[EWA15132]
3. Turn the key to “ON” and turn on
the electrical circuit in question to
check if the device operates.
4. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
1. Ignition fuse
2. ABS control unit fuse
3. Signaling system fuse
4. Parking lighting fuse
5. Backup fuse (for clock and immobilizer sys-tem)
6. Headlight fuse
7. Spare fuse
8. Fuel injection system fuse
9. ABS solenoid fuse
2 1
4
5
6
7
789
3
1. Starter relay cover
2. ABS motor fuse
3. ABS motor spare fuse
2
1
3
Specifie d fuses:
Main fuse:
40.0 A
Headlight fuse:
20.0 A
Signaling system fuse: 7.5 A
Ignition fuse: 15.0 A
Parking lighting fuse:
15.0 A
ABS motor fuse: 30.0 A
Fuel injection system fuse: 10.0 A
ABS solenoid fuse:
15.0 A
ABS control unit fuse: 7.5 A
Backup fuse: 7.5 A
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Periodic maintenance an d a djustment
6-30
6
EAU63180
Replacin g the hea dlig ht bul bThis model is equipped with a halogen
bulb headlight. If the headlight bulb
burns out, replace it as follows.NOTICE
ECA10661
Do not touch the g lass part of the
hea dlig ht bul b to keep it free from
oil, otherwise the transparency of
the glass, the luminosity of the b ulb,
an d the bul b life will be ad versely af-
fected . Thorou ghly clean off any d irt
an d fin gerprints on the head light
b ul b using a cloth moistene d with al-
cohol or thinner.1. Remove the headlight unit by re- moving the screws. 2. Disconnect the headlight coupler,
and then remove the headlight
bulb cover.
3. Unhook the headlight bulb holder, and then remove the burnt-out
bulb. 4. Place a new headlight bulb into
position, and then secure it with
the bulb holder.
5. Install the bulb cover, and then connect the coupler.
TIPWhen installing the headlight bulb cov-
er, make sure the “TOP” mark faces
upwards.
1. Do not touch the glass part of the bulb.
1. Screw
1. Headlight bulb cover
2. Headlight coupler
1
1
2
1. Headlight bulb holder
1
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Periodic maintenance an d a djustment
6-31
6 6. Install the headlight unit by install-
ing the screws.
7. Have a Yamaha dealer adjust the headlight beam if necessary.
EAU45226
Replacin g the auxiliary li ght
b ul b If the auxiliary light bulb burns out, re-
place it as follows.
1. Remove the headlight unit. (See page 6-30.)
2. Remove the auxiliary light bulb socket (together with the bulb) by
pulling it out.
3. Remove the burnt-out bulb by pulling it out. 4. Insert a new bulb into the socket.
5. Install the socket (together with
the bulb) by pushing it in.
6. Install the headlight unit.
1. “TOP” mark
1
1. Auxiliary light bulb socket
1
1. Auxiliary light bulb
1
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Periodic maintenance an d a djustment
6-32
6
EAU70540
Brake/tail li ghtThis model is equipped with an LED-
type brake/tail light.
If the brake/tail light does not come on,
have a Yamaha dealer check it.
EAU24215
Replacin g a turn sig nal light
b ul b1. Remove the turn signal light lens
by removing the screws.
2. Remove the burnt-out bulb by pushing it in and turning it coun-
terclockwise. 3. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
4. Install the lens by installing the screws. NOTICE: Do not over-
ti ghten the screws, otherwise
the lens may break.
[ECA10682]
1. Screw
2. Turn signal light lens
2
1
1. Turn signal light bulb
1
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Periodic maintenance an d a djustment
6-33
6
EAU24314
Replacin g the license plate
li g ht bul b1. Remove the license plate light unit
by removing the screws.
2. Remove the license plate light bulb socket (together with the
bulb) by pulling it out. 3. Remove the burnt-out bulb by
pulling it out.
4. Insert a new bulb into the socket.
5. Install the socket (together with the bulb) by pushing it in.
6. Install the license plate light unit by installing the screws.
EAU24351
Supportin g the motorcycleSince this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other mainte-
nance requiring the motorcycle to
stand upright. Check that the motorcy-
cle is in a stable and level position be-
fore starting any maintenance. A
strong wooden box can be placed un-
der the engine for added stability.
To service the front wheel
1. Stabilize the rear of the motorcy- cle by using a motorcycle stand
or, if an additional motorcycle
stand is not available, by placing a
jack under the frame in front of the
rear wheel.
2. Raise the front wheel off the ground by using a motorcycle
stand.
To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placing
1. Screw
1
1. License plate light unit
2. License plate light bulb socket
12
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Motorcycle care and stora ge
7-1
7
EAU37834
Matte color cautionNOTICE
ECA15193
Some mo dels are equipped with
matte colored finished parts. Be
sure to consult a Yamaha dealer for
a d vice on what prod ucts to use be-
fore cleanin g the vehicle. Usin g a
b rush, harsh chemical pro ducts or
cleanin g compoun ds when cleanin g
these parts will scratch or damag e
their surface. Wax also shoul d not
b e applie d to any matte colored fin-
ishe d parts.
EAU26075
CareWhile the open design of a motorcycle
reveals the attractiveness of the tech-
nology, it also makes it more vulnera-
ble. Rust and corrosion can develop
even if high-quality components are
used. A rusty exhaust pipe may go un-
noticed on a car, however, it detracts
from the overall appearance of a mo-
torcycle. Frequent and proper care
does not only comply with the terms of
the warranty, but it will also keep your
motorcycle looking good, extend its
life and optimize its performance.
Before cleanin g
1. Cover the muffler outlet with a plastic bag after the engine has
cooled down.
2. Make sure that all caps and cov- ers as well as all electrical cou-
plers and connectors, including
the spark plug caps, are tightly in-
stalled.
3. Remove extremely stubborn dirt, like oil burnt onto the crankcase,
with a degreasing agent and a
brush, but never apply such prod- ucts onto seals, gaskets, the drive
belt and wheel axles. Always rinse
the dirt and degreaser off with wa-
ter.
Cleanin g
NOTICE
ECA10773
Avoi d usin g stron g aci dic wheel
cleaners, especially on spoked
wheels. If such pro ducts are
use d on har d-to-remove dirt, do
not leave the cleaner on the af-
fected area any lon ger than in-
structed . Also, thorou ghly rinse
the area off with water, immed i-
ately dry it, an d then apply a cor-
rosion protection spray.
 Improper cleanin g can d amage
plastic parts (such as cowlin gs,
panels, win dshiel ds, head light
lenses, meter lenses, etc.) an d
the mufflers. Use only a soft,
clean cloth or spon ge with wa-
ter to clean plastic. However, if
the plastic parts cannot be thor-
ou ghly cleaned with water, di-
lute d mil d d eter gent with water
may be used . Be sure to rinse
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