SPECIFICATIONS
8
8-1 Model EW50
Dimensions:
Overall length 1,785 mm
Overall width 668 mm
Overall height 1,077 mm
Seat height 787 mm
Wheelbase 1,202 mm
Minimum ground clearance 185 mm
Minimum turning radius 1,800 mm
Weight:
Wet (with oil and a full fuel tank) 81 kg
Engine:
Engine type Air cooled, 2strokes
Cylinder arrangement Single cylinder, vertical
Displacement 49.2 cc
Bore x stroke 40.0 x 39.2 mm
Compression ratio 11.2:1
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 or ISO EG-C, EG-D
Quantity 1.3 LFinal transmission oil:
Type SAE 10W30 type SE
Capacity 0.11L
Air filter type:Wet type element
Fuel:
Recommended fuel Regular unleaded gasoline
(RON 91 mini)
Fuel tank capacity 6.5 L
Carburetor:
Type/quantity TK ø12
Manufacturer TEIKEI
Spark plug:
Type / Manufacturer BR8HS / NGK or BR9HS/NGK
Spark plug gap 0.5—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 42/13 (3.230)
Transmission type V-belt automatic
Operation Centrifugal automatic type
Chassis:
Frame type Steel tube underbone
Caster angle 27°
Trail 90 mm
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:1
ZAUM0070
1
ZAUM0165
1. Key identification number 1. Vehicle identification number
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.
EAU01043
Vehicle identification number
The vehicle identification number is
stamped into the steering head pipe.
Record this number in the space
provided.
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.
9-1
CONSUMER INFORMATION
9
1
ZAUM0166
1. Model label
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.
9-2
