Periodic maintenance an d a djustment
7-10
7
EAU40904
Cleanin g the air filter element
The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean or, if necessary, replace the air
filter element more frequently if you are
riding in unusually wet or dusty areas.
1. Remove the seat. (See page 4-8.)
2. Remove the air filter case cover by removing the screw.
3. Pull the sponge material out, clean it with solvent, and then squeeze
the remaining solvent out. 4. Apply oil of the recommended
type to the entire surface of the
sponge material, and then
squeeze the excess oil out.
TIP
The sponge material should be wet but
not dripping.
5. Insert the sponge material into theair filter case. NOTICE: Make
sure that the spon ge material is
properly seated in the air filter
case. The en gine shoul d never
b e operated without the spon ge
material installe d, otherwise the
piston(s) an d/or cylin der(s) may
b ecome excessively worn.
[ECA15622]
6. Install the air filter case cover by
installing the screw.
7. Install the seat.
1. Air filter case cover
2. Screw
1. Sponge material
2
1
1
Recommen
ded oil:
Yamaha foam air filter oil or other
quality foam air filter oil
U2SA82E0.book Page 10 Monday, June 8, 2015 1:09 PM
Specifications
9-2
9
Clutch:
Clutch type:Wet, centrifugal, shoe
Drivetrain:
Primary reduction ratio:1.909 (63/33)
Final drive: Shaft
Secondary reduction ratio:
6.218 (19/15 x 54/11)
Chassis:
Frame type:Backbone
Caster angle:
25.50 °
Trail:
50 mm (2.0 in)
Front tire:
Type:With tube
Size:
2.50-10 4PR
Manufacturer/model: BRIDGESTONE/M29
Manufacturer/model: IRC/Z MARK II (PW50_ZAF, PW50G,
PW50G2)
Speed rating: 100 km/h (62 mph)
Rear tire:
Type:With tube
Size: 2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/M29
Manufacturer/model: IRC/Z MARK II (PW50_ZAF, PW50G,
PW50G2)
Speed rating: 100 km/h (62 mph)
Loa din g:
Maximum rider weight:
25.0 kg (55 lb)
Tire air pressure (measure d on col d
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear: 100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:
Wheel type:Panel wheel
Rim size:
10x1.50
Rear wheel:
Wheel type:Panel wheel
Rim size:
10x1.50
Front brake:
Type:
Mechanical leading trailing drum brake
Rear brake:
Type:
Mechanical leading trailing drum brake
Front suspension:
Type:Telescopic fork
Spring:
Coil spring
Shock absorber: Hydraulic damper
Wheel travel: 60 mm (2.4 in)
Rear suspension:
Type:Unit swing
Spring: Coil spring
Shock absorber:
Hydraulic damper
Wheel travel: 50 mm (2.0 in)
Electrical system:
Ignition system:
CDI
U2SA82E0.book Page 2 Monday, June 8, 2015 1:09 PM
