PERIODIC MAINTENANCE AND ADJUSTMENT
7-23
7
EAU23291
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
EAU40445
Battery This model is equipped with a VRLA
(Valve Regulated Lead Acid) battery.
There is no need to check the electro-
lyte or to add distilled water. However,
the battery coupler connection needs to
be checked to make sure that it is se-
curely connected.
WARNING
EWA10760
Electrolyte is poisonous and
dangerous since it contains sul-
furic acid, which causes severe
burns. Avoid any contact with
skin, eyes or clothing and al-
ways shield your eyes when
working near batteries. In case
of contact, administer the fol-
lowing FIRST AID.
EXTERNAL: Flush with plenty
of water.
INTERNAL: Drink large quan-
tities of water or milk and im-
mediately call a physician.
EYES: Flush with water for 15
minutes and seek prompt
medical attention.
Batteries produce explosive hy-
drogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
away 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 OF
CHILDREN.
To remove the battery
1. Remove the seat. (See page 4-7.)
2. Remove the battery cover by re-
moving the bolts.1. Bolt
2. Battery
3. Battery cover
U1P685E0.book Page 23 Tuesday, April 20, 2010 3:18 PM
SPECIFICATIONS
9-2
9
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 tube
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Loading:Maximum rider weight:
40.0 kg (88 lb)Tire air pressure (measured on cold
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear:
100 kPa (1.00 kgf/cm², 15 psi)
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 fork
Spring/shock absorber type:
Coil springWheel 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:
DC CDI
Charging system:
AC magnetoBattery:Model:
GT4B-5
Voltage, capacity:
12 V, 2.5 AhFuse:Fuse:
10.0 A
U1P685E0.book Page 2 Tuesday, April 20, 2010 3:18 PM
