Page 7 of 104

Table of contents
Checking the wheel bearings ....... 6-28
Battery .......................................... 6-28
Replacing the fuses ...................... 6-30
Replacing the headlight bulb ........ 6-32
Replacing the auxiliary light bulb ........................................... 6-34
Brake/tail light ............................... 6-34
Replacing a turn signal light
bulb ........................................... 6-35
License plate light......................... 6-35
Supporting the motor cycle............ 6-36
Troubleshooting............................ 6-36
Troubleshooting charts ................. 6-37
Motorcycle care and storage .......... 7-1
Matte color caution ......................... 7-1
Care................................................ 7-1
Storage ........................................... 7-3
Specifications .................................. 8-1
Consumer information .................... 9-1
Identification numbers .................... 9-1
Diagnostic connector ... ................... 9-2
Vehicle data recording.................... 9-2
Index ............................................... 10-1
UB90E2.book 2 ページ 2018年6月5日 火曜日 午後5時40分
Page 84 of 104

Periodic maintenance and adjustment
6-32
1
2
3
4
56
7
8
9
10
11
12 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.
EAU34386
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.
Specified fuses:
Main fuse:50.0 A
Headlight fuse:
15.0 A
Signaling system fuse: 7.5 A
Ignition fuse: 15.0 A
Parking lighting fuse:
7.5 A
Radiator fan motor fuse: 15.0 A
ABS motor fuse: 30.0 A
ABS solenoid fuse:
15.0 A
Fuel injection system fuse: 10.0 A
ABS control unit fuse: 7.5 A
Backup fuse:
7.5 A
Electronic thrott le valve fuse:
7.5 A
Auxiliary fuse 1: 2.0 A
UB90E2.book 32 ページ 2018年6月5日 火曜日 午後5時40分
Page 87 of 104
Periodic maintenance and adjustment6-35
1
2
3
4
567
8
9
10
11
12
EAU24205
Replacing a turn signal light
bulb1. Remove the turn signal light lens by removing the screw.
2. Remove the burnt-out bulb by pushing 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 lens by installing the screw. NOTICE: Do not over-
tighten the screw, otherwise the
lens may break.
[ECA11192] EAU24331
License plate lightIf the license plate light does not come
on, have a Yamaha dealer check the
electrical circuit or replace the bulb.
1. Turn signal light lens
2. Screw
1
2
1. Turn signal light bulb
1
UB90E2.book 35 ページ 2018年6月5日 火曜日 午後5時40分
Page 96 of 104

Specifications
8-2
1
2
3
4
5
6
78
9
10
11
12
6th: 1.037 (28/27)
Chassis:Frame type: Diamond
Caster angle: 25.0
Trail:
103 mm (4.1 in)Front tire:Type:Tubeless
Size:
120/70 ZR17M/C(58W)
Manufacturer/model: BRIDGESTONE/S20F MRear tire:Type:
Tubeless
Size: 180/55 ZR17M/C (73W)
Manufacturer/model: BRIDGESTONE/S20R MLoading:Maximum load:170 kg (375 lb)
* (Total weight of rider, passenger, cargo and accessories)Tire air pressure (measured on cold
tires):1 person:Front:250 kPa (2.50 kgf/cm
2, 36 psi) Rear:
290 kPa (2.90 kgf/cm
2, 42 psi)
2 persons:
Front: 250 kPa (2.50 kgf/cm2, 36 psi)
Rear:
290 kPa (2.90 kgf/cm2, 42 psi)
Front wheel:Wheel type:Cast wheel
Rim size:
17M/C x MT3.50Rear wheel:Wheel type:Cast wheel
Rim size:
17M/C x MT5.50Front brake:Type:Hydraulic dual disc brake
Specified brake fluid:
DOT 4Rear brake:Type:Hydraulic single disc brake
Specified brake fluid:
DOT 4Front suspension:Type:Telescopic fork
Spring:
Coil spring
Shock absorber: Hydraulic damper Wheel travel:
137 mm (5.4 in)
Rear suspension:Type:Swingarm (link suspension)
Spring: Coil spring
Shock absorber:
Gas-hydraulic damper
Wheel travel: 130 mm (5.1 in)Electrical system:System voltage:
12 V
Ignition system: TCI
Charging system: AC magnetoBattery:Model:YTZ10S
Voltage, capacity: 12 V, 8.6 Ah (10 HR)Headlight:Bulb type:Halogen bulbBulb wattage:Headlight:
H4, 60.0 W/55.0 W
Brake/tail light: LED
Front turn signal light: 10.0 W
UB90E2.book 2 ページ 2018年6月5日 火曜日 午後5時40分
Page 101 of 104
Index
10-2
1
2
3
4
5
6
7
8
91011
12
Tires...................................................... 6-15
Tool kit .................................................... 6-2
Traction control system ........................ 3-18
Traction control system indicator light .... 3-5
Traction control system switch ............. 3-14
Troubleshooting .................................... 6-36
Troubleshooting charts ......................... 6-37
Turn signal indicator lights ...................... 3-4
Turn signal light bulb, replacing ............ 6-35
Turn signal switch ................................. 3-14VValve clearance .................................... 6-15
Vehicle identification number.................. 9-1WWheel bearings, checking .................... 6-28
Wheels.................................................. 6-18
UB90E2.book 2 ページ 2018年6月5日 火曜日 午後5時40分