ECO mode YAMAHA WHY 50 2003 Owners Manual

SPECIFICATIONS
8
Model YH50
Dimensions:
Overall length 1.940 mm
Overall width 685 mm
Overall height 1.105 mm
Seat height 765 mm
Wheelbase 1.294 mm
Minimum ground clearance 125 mm
Minimum turning radius 1.800 mm
Weight:
Wet (with oil and a full fuel tank) 78 kg
Engine:
Engine type Air cooled, 2 strokes
Cylinder arrangement Single cylinder, horizontal
Displacement 49.2 cm3
Bore x stroke 40.0 x 39.2
Compression ratio 7.25:1
Starting system type Electric and kick starter
Lubrication system Separate lubrication
(Autolube)
Engine oil:
Type Yamalube 2
or 2 strokes engine oil
Classification Jaso FC ou ISO EG-C, EG-D
Capacity 1.3 LTransmission oil:
Type SAE 10W30 type SE
Capacity
Périodic oil change 0.11L
Total amount 0.13L
Air filter type:Wet type element
Fuel:
Recommended fuel Regular unleaded gasoline
(RON 91 mini)
Fuel tank capacity 7L
Carburetor:
Type / quantity PY-12
Manufacturer GURTNER
Spark plug:
Type / Manufacturer BR8HS / NGK
Spark plug gap 0.6—0.7 mm
Clutch type:Dry, centrifugal automatic
Transmission:
Primary reduction system Helical gear
Primary reduction ratio 52/13 (4.000)
Secondary reduction system Spur gear
Secondary reduction ratio 45/12 (3.750)
Transmission type V-belt automatic
Operation Centrifugal automatic type
8-1
Specifications

CONSUMER INFORMATION
9
EAU02944
Identification numbers
Record the key identification number,
vehicle identification number and model
label information in the spaces provided
below for assistance when ordering
spare parts from a Yamaha dealer or
for reference in case the vehicle is
stolen.
1. KEY IDENTIFICATION NUMBER:
2. VEHICLE IDENTIFICATION
NUMBER:
3. MODEL LABEL INFORMATION:
EAU01041
Key identification number
The key identification number is
stamped into the key tag.
Record this number in the space
provided and use it for reference when
ordering a new key.
EAU01044
Vehicle identification number
The vehicle identification number is
stamped into the frame.
NOTE :
The vehicle identification number is
used to identify your scooter and may
be used to register your scooter with
the licensing authority in your area.
1
ZAUM0070
1
ZAUM0384
1. Key identification number1. Vehicle identification number
9-1

CONSUMER INFORMATION
9
EAU01278
Model label
The model label is affixed to the bottom
of the seat. (See page 3-8 for seat
opening procedures.) Record the infor-
mation on this label in the space
provided. This information will be
needed when ordering spare parts from
a Yamaha dealer.
1
ZAUM0385
1. Model label
9-2