PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
6away from the battery and pro-
vide sufficient ventilation when
charging it in an enclosed
space.
KEEP THIS AND ALL BATTER-
IES OUT OF THE REACH OFCHILDREN.
To remove the battery
1. Remove the seat. (See page 3-7.)
2. Remove the battery cover by re-
moving the bolts.
3. Unhook the battery band, and then
pull the battery out of the battery
compartment.4. Disconnect the battery coupler.
To install the battery
1. Connect the battery coupler.
2. Place the battery in the original po-
sition, and then hook the battery
band onto the holder.
3. Install the battery cover by install-
ing the bolts.
4. Install the seat.
To charge the battery
Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to
have discharged. Keep in mind that thebattery tends to discharge more quickly
if the vehicle is equipped with optional
electrical accessories.
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.
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.
3. Fully charge the battery before in-
stallation.
CAUTION:
ECA10630
Always keep the battery
charged. Storing a discharged
battery can cause permanent
battery damage.
To charge a sealed-type (MF)
battery, a special (constant-volt-
age) battery charger is required.
Using a conventional battery
charger will damage the battery.
If you do not have access to a
1. Bolt
2. Battery
3. Battery cover
1. Battery
2. Battery band
3. Battery coupler
U1P681E0.book Page 23 Tuesday, April 18, 2006 2:38 PM
SPECIFICATIONS
8-2
8
Primary reduction ratio:
67/18 (3.722)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
37/13 (2.846)
Transmission type:
Constant mesh 3-speed
Operation:
Left foot operation
Gear ratio:
1st:
39/12 (3.250)
2nd:
33/19 (1.736)
3rd:
28/23 (1.217)Chassis:Frame type:
Steel tube backbone
Caster angle:
25.50 °
Trail:
34.0 mm (1.34 in)Front tire:Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBYRear tire:Type:
With tubeSize:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Tire air pressure (measured on cold
tires):
Front:
100 kPa (15 psi) (1.00 kgf/cm²)
Rear:
100 kPa (15 psi) (1.00 kgf/cm²)
Front wheel:Wheel type:
Spoke wheel
Rim size:
10x1.40Rear wheel:Wheel type:
Spoke wheel
Rim size:
10x1.40Front brake:Type:
Drum brake
Operation:
Right hand operationRear brake:Type:
Drum brake
Operation:
Right foot operationFront suspension:Type:
Telescopic forkSpring/shock absorber type:
Coil spring
Wheel travel:
96.0 mm (3.78 in)
Rear suspension:Type:
Swingarm (monocross)
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
71.0 mm (2.80 in)Electrical system:Ignition system:
CDI
Charging system:
AC magnetoBattery:Model:
YT4B-BS/GT4B-5
Voltage, capacity:
12 V, 2.3 Ah/12 V, 2.5 AhFuse:Fuse:
10.0 A
U1P681E0.book Page 2 Tuesday, April 18, 2006 2:38 PM
