2014 YAMAHA SR400 Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
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4. Disconnect the battery coupler.
5. Remove the blown fuse, and then
install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a higher amperage rating than recommended to
avoid causing extensive dam-
age to the electrical system and
possibly a fire.
[EWA15132]
6. Connect the battery coupler.
7. Install the battery by installing the
battery band.
8. Install the seat.
9. Turn the key to “ON”.
10. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
The fuse box, which contains the fuses
for the individual circuits, is located un-
der the seat. (See page 3-11.) 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 seat. (See page 3-11.)
3. Remove the blown fuse, and then install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a higher amperage
rating than recommended to
avoid causing extensive dam-
age to the electrical system and
1. Battery
2. Battery band
1. Battery coupler
12
1
Specified fuse: 30.0 A1. Fuse box
1
1. Headlight fuse
2. Signaling system fuse
3. Ignition fuse
4. Backup fuse
5. Fuel injection system fuse
6. Parking lighting fuse
7. Spare fuse
12
3 4
5
7
6
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PERIODIC MAINTENANCE AND ADJUSTMENT
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12 possibly a fire.
[EWA15132]
4. Turn the key to “ON” and turn on
the electrical circuit in question to
check if the device operates.
5. If a fuse immediately blows again, have a Yamaha dealer check the
electrical system.
EAU23799
Replacing the headlight bulbThis model is equipped with a halogen
bulb headlight. If the headlight bulb
burns out, replace it as follows.NOTICE
ECA10651
Take care not to damage the follow-
ing parts:
Headlight bulb
Do not touch the glass part of
the headlight bulb to keep it free
from oil, otherwise the transpar-
ency of the glass, the luminosity
of the bulb, and the bulb life will
be adversely affected. Thor-
oughly clean off any dirt and fin-
gerprints on the headlight bulb
using a cloth moistened with al-
cohol or thinner.

Headlight lens
Do not affix any type of tinted
film or stickers to the headlight
lens.
Do not use a headlight bulb of awattage higher than specified. 1. Remove the headlight unit by re-
moving the screws.
Specified fuses:Main fuse:30.0 A
Signaling system fuse: 15.0 A
Headlight fuse:
15.0 A
Ignition fuse: 10.0 A
Backup fuse: 7.5 A
Fuel injection system fuse:
7.5 A
Parking lighting fuse: 7.5 A
1. Do not touch the glass part of the bulb.
1. Screw1
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PERIODIC MAINTENANCE AND ADJUSTMENT
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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 po- sition, and then secure it with the
bulb holder.
5. Install the bulb cover, and then connect the coupler.
6. Install the headlight unit by install- ing the screws.
7. Have a Yamaha dealer adjust the headlight beam if necessary.
EAU24134
Replacing the ta il/brake light
bulb1. Remove the tail/brake light lens by
removing the screws.
2. Remove the burnt-out bulb by pushing it in and turning it counter-
clockwise.
1. Screw
1. Headlight coupler
2. Headlight bulb cover
1
1
2
1. Headlight bulb holder
1
1. Screw
2. Tail/brake light lens
1 2
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PERIODIC MAINTENANCE AND ADJUSTMENT
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12 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-
tighten the screws, otherwise
the lens may break.
[ECA10682] EAU60010
Replacing a turn
signal light
bulb1. Remove the turn signal light lens,
turn signal light rim and gasket by
removing the screws.
2. Remove the burnt-out bulb bypushing it in and turning it counter-
clockwise.
3. Insert a new bulb into the socket, push it in, and then turn it clock-
wise until it stops.
4. Install the gasket, rim and lens by installing the screws with the notch
on the rim and lens facing to in-
ward as shown. NOTICE: Do not
overtighten the screws, other-
wise the lens may break.
[ECA10682]
1. Tail/brake light bulb
1
1. Turn signal light lens
2. Screw
1
2
1. Turn signal light lens
2. Turn signal light rim
3. Gasket
3
2
1
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PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU33416
Replacing the auxi liary light
bulbIf the auxiliary light bulb burns out, re-
place it as follows.
1. Remove the headlight unit by re- moving the screws. 2. Remove the socket (together with
the bulb) by pushing it in and turn-
ing it counterclockwise.
3. Remove the burnt-out bulb by pushing it in and turning it counter-
clockwise.1. Screw
1. Screw1
1
1. Auxiliary light bulb socket
1. Auxiliary light bulb socket
2. Auxiliary light bulb
1
1
2
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PERIODIC MAINTENANCE AND ADJUSTMENT
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12 4. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
5. Install the socket (together with the bulb) by pushing it in and turning it
clockwise until it stops.
6. Install the headlight unit by install- ing the screws.
EAU24361
Front wheel
EAU59600
To remove the front wheel
WARNING
EWA10822
To avoid injury, securely support the
vehicle so there is no danger of itfalling over.
1. Loosen the wheel axle nut.
2. Loosen the wheel axle holder nuts. 3. Place the motorcycle on the cen-
terstand.
4. Disconnect the speedometer ca- ble from the front wheel.
5. Remove the wheel axle nut and the washer.1. Wheel axle nut
1
1. Axle holder nut
1. Speedometer cable
1
1
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PERIODIC MAINTENANCE AND ADJUSTMENT
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6. Pull the wheel axle out, and then
remove the collar and wheel.
NOTICE: Do not apply the brake
after the wheel and brake disc
have been removed, otherwise
the brake pads will be forced
shut.
[ECA11073]
To install the front wheel 1. Install the speedometer gear unit into the wheel hub so that the pro-
jections mesh with the slots.
2. Install the collar into the right side of the wheel hub.
3. Lift the wheel up between the fork legs.
TIPMake sure that there is enough space
between the brake pads before insert-
ing the brake disc and that the slot in
the speedometer gear unit fits over theretainer on the fork leg.
4. Insert the wheel axle from the left-hand side, and then install the
washer and axle nut.
5. Take the motorcycle off the center- stand so that the front wheel is on
the ground, and then put the side-
stand down.
6. Tighten the axle nut and the wheel axle holder nuts to their specified
torques
7. While applying the front brake, push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
8. Connect the speedometer cable.
1. Slot
2. Speedometer gear unit
3. Projection
2
3
1
1. Retainer
2. Slot
1
2
Tightening torques:
Axle nut:104 Nm (10.4 m·kgf, 74 ft·lbf)
Wheel axle holder nut: 9 Nm (0.9 m·kgf, 6.5 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU25081
Rear wheel
EAU59611
To remove the rear wheel
WARNING
EWA10822
To avoid injury, securely support the
vehicle so there is no danger of itfalling over. 1. Loosen the axle nut and the brake torque rod nut at the brake shoe
plate.
2. Disconnect the brake torque rod from the brake shoe plate by re-
moving the nut, washer and the
bolt.
3. Place the motorcycle on the cen-terstand.
4. Remove the brake pedal free play adjusting nut, and then disconnect
the brake rod from the brake cam-
shaft lever.
5. Loosen the drive chain puller lock- nut and the drive chain slack ad-
justing bolt on both ends of the swingarm.
6. Remove the axle nut and washer.
7. While supporting the rear wheel, pull the wheel axle out.
8. Remove the chain puller assem- blies and the spacer.
1. Brake rod
2. Brake camshaft lever
3. Brake pedal free play adjusting nut
4. Drive chain slack adjusting bolt
5. Drive chain puller locknut
6. Drive chain puller
7. Washer
8. Axle nut
9. Brake torque rod nut
10.Brake torque rod1 10
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1. Drive chain slack adjusting bolt
2. Drive chain puller locknut
3. Axle nut
4. Washer
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