Page 41 of 68

PERIODIC MAINTENANCE AND ADJUSTMENT
6-10
6
EAU33031
Changing the coolant
The coolant must be changed at the in-
tervals specified in the periodic mainte-
nance and lubrication chart. Have a
Yamaha dealer change the coolant.
WARNING! Never attempt to remove
the radiator cap when the engine is
hot.
[EWA10381]EAUM1642
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean the air filter element more fre-
quently if you are riding in unusually
wet or dusty areas.
1. Remove the air filter case cover by
removing the screws.
2. Pull the air filter element out, clean
it with solvent, and then squeeze
the remaining solvent out.
WARNING! Use only a dedicat-
ed parts cleaning solvent. To
avoid the risk of fire or explo-
sion, do not use gasoline or sol-
vents with a low flash point.
[EWA10431]
NOTICE: To avoid dam-
aging the foam material, handle
it gently and carefully, and do
not twist or wring it.
[ECA10511]
3. Apply oil of the recommended type
to the entire surface of the ele-
ment, and then squeeze the ex-
cess oil out.
1. Screw
1
ZAUM0275
1. Air filter element
1ZAUM02761
4 32ZAUM0156
U3C6E1E0.book Page 10 Friday, August 8, 2008 10:09 AM
Page 61 of 68

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1818 mm (71.6 in)
Overall width:
719 mm (28.3 in)
Overall height:
1170 mm (46.1 in)
Seat height:
828 mm (32.6 in)
Wheelbase:
1256 mm (49.4 in)
Ground clearance:
148 mm (5.83 in)
Minimum turning radius:
1800 mm (70.9 in)Weight:With oil and fuel:
97.0 kg (214 lb)Engine:Engine type:
Liquid cooled 2-stroke
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
49.0 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio:
7.90 :1
Starting system:
Electric starter and kickstarter
Lubrication system:
Separate lubrication (Yamaha autolube)
Engine oil:Type:
YAMALUBE 2 or 2-stroke engine oil (JASO
FC grade) or (ISO EG-C or EG-D grade)
Engine oil quantity:
Quantity:
1.40 L (1.48 US qt, 1.23 Imp.qt)Final transmission oil:Type:
SAE 10W-30 type SE motor oil
Quantity:
0.11 L (0.12 US qt, 0.10 Imp.qt)Cooling system:Coolant reservoir capacity (up to the
maximum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes):
1.20 L (1.27 US qt, 1.06 Imp.qt)Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
7.0 L (1.85 US gal, 1.54 Imp.gal)Carburetor:Manufacturer:
GURTNER
Type × quantity:
PY 12 x 1Spark plug (s):Manufacturer/model:
NGK/BR8HSSpark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction system:
Helical gear
Primary reduction ratio:
52 × 13 (4.000)
Secondary reduction system:
Spur gear
Secondary reduction ratio:
43 × 14 (3.070)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic typeChassis:Frame type:
Steel tube underbone
Caster angle:
27.00 °
Trail:
90.0 mm (3.54 in)Front tire:Type:
Tubeless
Size:
130/60-13 53L (MICHELIN), 53P (PIRELLI)
Manufacturer/model:
MICHELIN / PILOT SPORT
Manufacturer/model:
PIRELLI / EVO21
U3C6E1E0.book Page 1 Friday, August 8, 2008 10:09 AM
Page 62 of 68

SPECIFICATIONS
8-2
8
Rear tire:Type:
Tubeless
Size:
140/60-13 57L (MICHELIN), 53P (PIRELLI)
Manufacturer/model:
MICHELIN / PILOT SPORT
Manufacturer/model:
PIRELLI / EVO22Loading:Maximum load:
180 kg (397 lb)
(Total weight of rider, passenger, cargo and
accessories)Tire air pressure (measured on cold
tires):Loading condition:
0–90 kg (0–198 lb)
Front:
150 kPa (1.50 kgf/cm², 22 psi)
Rear:
150 kPa (1.50 kgf/cm², 22 psi)
Loading condition:
90–180 kg (198–397 lb)
Front:
160 kPa (1.60 kgf/cm², 23 psi)
Rear:
170 kPa (1.70 kgf/cm², 25 psi)Front wheel:Wheel type:
Cast wheel
Rim size:
13xMT3.00
Rear wheel:Wheel type:
Cast wheel
Rim size:
13xMT3.50Front brake:Type:
Single disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 3 or 4Rear brake:Type:
Single disc brake
Operation:
Left hand operation
Recommended fluid:
DOT 3 or 4Front suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
80.0 mm (3.15 in)Rear suspension:Type:
Unit swing
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
70.0 mm (2.76 in)
Electrical system:Ignition system:
DC. CDI
Charging system:
AC magnetoBattery:Model:
CB4-LB(GS), YB4L-B(YUASA)
Voltage, capacity:
12 V, 4.0 AhHeadlight:Bulb type:
IncandescenceBulb voltage, wattage × quantity:Headlight:
12 V, 35 W/35.0 W × 1
Tail/brake light:
12 V, 21.0 W/5.0 W × 1
Front turn signal light:
12 V, 10.0 W × 2
Rear turn signal light:
12 V, 10.0 W × 2
Meter lighting:
12 V, 1.7 W × 2
High beam indicator light:
12 V, 1.7 W × 1
Oil level warning light:
12 V, 1.7 W × 1
Turn signal indicator light:
12 V, 1.7 W × 1
Coolant temperature warning light:
12 V, 1.7 W × 1
U3C6E1E0.book Page 2 Friday, August 8, 2008 10:09 AM