●Batteries produce explosive
hydrogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
away from the battery and pro-
vide sufficient ventilation when
charging it in an enclosed spa-
ce.
●KEEP THIS AND ALL BATTE-
RIES OUT OF THE REACH OF
CHILDREN.
To charge the battery
Have a Yamaha dealer charge the
battery as soon as possible if it seems
to have discharged. Keep in mind that
the battery tends to discharge more
quickly if the vehicle is equipped with
optional electrical accessories.
ECA16520
NOTICE
To charge a VRLA (Valve Regulated
Lead Acid) battery, a special (cons-
tant-voltage) battery charger is
required. Using a conventional bat-
tery charger will damage the bat-
tery. If you do not have access to a
constant-voltage battery charger,have a Yamaha dealer charge your
battery.
To store the battery
1. If the vehicle will not be used for
more than one month, remove
the battery, fully charge it, and
then place it in a cool, dry place.
NOTICE: When removing the
battery, be sure the key is tur-
ned to “OFF” before discon-
necting the couplers. 
[ECA16510]
2. If the battery will be stored for
more than two months, check it
at least once a month and fully
charge it if necessary.
To remove the battery
1. Open de storage compartment.
(See page 3-16)
2. Remove the panel by removing
the screw.
1. Screw
3. Remove the battery holder brac-
ket by removing the bolt.
1. Holder
2. Battery 
3. Bolt
PERIODIC MAINTENANCE AND ADJUSTMENT
6-25
6
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Chassis:Frame type:
Steel tube underbone
Caster angle:
28.00 degree
Trail:
100.0 mm (3.94 in)
Front tire:Type:
Tubeless
Size:
120/70-15 M/C 56S(Michelin - 
Continental)
120/70-15 M/C 56P(Pirelli)
Manufacturer/model:
Michelin/GoldStandard
Manufacturer/model:
Continental/ContiTwist TL
Manufacturer/model:
Pirelli/GTS23
Rear tire:Type:
Tubeless
Size:
140/70-14 M/C 68S(Michelin - 
Continental)
140/70-14 M/C 68P(Pirelli)
Manufacturer/model:
Michelin/GoldStandard
Manufacturer/model:
Continental/ContiTwist TL
Manufacturer/model:
Pirelli/GTS24
Loading:Maximum load:
189 kg (417 lb)
(Total weight of rider, passenger, cargo
and accessories)
Tire air pressure (measured on cold
tires):
Loading condition:
0-90 kg
Front:
190 kPa (28 psi) (1.90 kgf/cm
2) (1.90 bar)
Rear:
220 kPa (32 psi) (2.20 kgf/cm
2) (2.20 bar)
Loading condition:
90 kg - maximum load
Front:
210 kPa (30 psi) (2.10 kgf/cm
2) (2.10 bar)
Rear:
250 kPa (36 psi) (2.50 kgf/cm
2) (2.50 bar)
High-speed riding:
Front:
210 kPa (30 psi) (2.10 kgf/cm
2) (2.10 bar)
Rear:
250 kPa (36 psi) (2.50 kgf/cm
2) (2.50 bar)
Front wheel:Wheel type:
Cast wheel
Rim size:
15 x MT3.5
Rear wheel:Wheel type:
Cast wheel
Rim size:
14 x MT3.75
Front brake:Type:
Single disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4
Rear brake:Type:
Single disc brake
Operation:
Left hand operation
Recommended fluid:
DOT 4
Front suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
94.0 mm (3.70 in)
Rear suspension:Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
83.0 mm (3.27 in)
Electrical system:Ignition system:
Transistorized coil ignition (digital)
Charging system:
AC magneto
Battery:Model:
YTX9-BS
SPECIFICATIONS
8-2
8
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