Page 52 of 86
PERIODIC MAINTENANCE AND ADJUSTMENT
7-11
7
EAU41636
Cleaning the air filter element The air filter element should be cleaned
or replaced at the intervals specified in
the periodic maintenance and lubrica-
tion chart. Clean or, if necessary, re-
place the air filter element more
frequently if you are riding in unusually
wet or dusty areas.
To clean the air filter element1. Remove panel A. (See page 7-7.)
2. Remove the air filter case cover by removing the screws.
3. Pull the sponge material and the mesh out. 4. Clean the mesh with solvent, and
then wipe the solvent off.
5. Clean the sponge material with solvent, and then squeeze the re-
maining solvent out. WARNING!
Use only a dedicated parts
cleaning solvent. To avoid the
risk of fire or explosion, do not
use gasoline or solvents with a
low flash point.
[EWA10431]
NOTICE:
To avoid damaging the foam
material, handle it gently and
carefully, and do not twist or
wring it.
[ECA10511]
6. Apply oil of the recommended type to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.TIPThe sponge material should be wet but
not dripping.7. Insert the mesh and the spongematerial into the air filter case.
NOTICE: Make sure that the
mesh and the sponge material
are properly seated in the air fil-
ter case. The engine should
never be operated without the
1. Air filter case cover
2. Screw
2
1
1. Sponge material
2. Air filter mesh
1
2
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
U5B684E0.book Page 11 Monday, June 13, 2011 4:46 PM
Page 63 of 86
PERIODIC MAINTENANCE AND ADJUSTMENT
7-22
7
3. Tighten the axle nut and both lock-
nuts to the specified torques.
4. Adjust the brake pedal free play. (See page 7-19.)
5. Make sure that the drive chain pull- ers are in the same position, the
drive chain slack is correct, and
the drive chain moves smoothly.
EAU23016
Cleaning and lubricating the
drive chain The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.NOTICE
ECA10583
The drive chain must be lubricated
after washing the motorcycle, riding
in the rain or riding in wet areas.1. Remove all dirt and mud from thedrive chain with a brush or cloth.TIPFor a thorough cleaning, have a
Yamaha dealer remove the drive chain
and soak it in solvent.2. Spray Yamaha Chain and CableLube or a high-quality spray-type
drive chain lubricant on the entire
chain, making sure that all side
plates and rollers have been suffi-
ciently oiled.
EAU23095
Checking and lubricating the
cables The operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubricat-
ed if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
WARNING! Damage to the outer
housing of cables may result in in-
ternal rusting and cause interfer-
ence with cable movement. Replace
damaged cables as soon as possi-
ble to prevent unsafe conditions.[EWA10711]
1. Alignment marks
2. Locknut
3. Drive chain slack adjusting nut
4. Drive chain pullerTightening torques:Axle nut:60 Nm (6.0 m ·kgf, 43 ft ·lbf)
Locknut: 7 Nm (0.7 m ·kgf, 5.1 ft· lbf)
(a)
(b)
432 1
Recommended lubricant:
Yamaha Chain and Cable Lube or
engine oil
U5B684E0.book Page 22 Monday, June 13, 2011 4:46 PM
Page 80 of 86
SPECIFICATIONS
9-2
9
Transmission type:Constant mesh 4-speed
Operation: Left foot operation
Gear ratio:
1st: 3.166 (38/12)
2nd:
1.941 (33/17)
3rd: 1.380 (29/21)
4th: 1.095 (23/21)Chassis:Frame type:Backbone
Caster angle: 26.00 °
Trail:
60 mm (2.4 in)Front tire:Type:With tube
Size:
2.50-14 4PR
Manufacturer/model: CHEN SHIN/C-803-2Rear tire:Type:
With tube
Size: 3.00-12 4PR
Manufacturer/model: CHEN SHIN/C-803-2
Loading:Maximum rider weight:60.0 kg (132 lb)Tire air pressure (measured on cold
tires):
Front: 100 kPa (1.00 kgf/cm ², 15 psi)
Rear:
100 kPa (1.00 kgf/cm ², 15 psi)
Front wheel:Wheel type:
Spoke wheel
Rim size:
14x1.40Rear wheel:Wheel type:Spoke wheel
Rim size:
12x1.60Front 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 spring/oil damper Wheel travel:
115.0 mm (4.53 in)
Rear suspension:Type:
Swingarm
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 110.0 mm (4.33 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
U5B684E0.book Page 2 Monday, June 13, 2011 4:46 PM