Yamaha CW50E Owner's Manual page 58

SPECIFICATIONS
Dimensions:
Overall length:
1685 mm (66.3 in)
Overall width:
675 mm (26.6 in)
Overall height:
1058 mm (41.7 in)
Seat height:
768 mm (30.2 in)
Wheelbase:
1172 mm (46.1 in)
Ground clearance:
124 mm (4.88 in)
Minimum turning radius:
1465 mm (57.7 in)
Weight:
Curb weight:
82 kg (181 lb)
Engine:
Engine type:
Air cooled 2-stroke
Cylinder arrangement:
Single cylinder
Displacement:
8
49 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio:
11.10 : 1
Starting system:
Kickstarter
Lubrication system:
Separate lubrication (Yamaha autolube)
Engine oil:
Type:
YAMALUBE 2S or 2-stroke engine oil
(JASO FC grade) or (ISO EG-C or EG-D
grade)
Engine oil quantity:
Quantity:
1.10 L (1.16 US qt, 0.97 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)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
5.3 L (1.40 US gal, 1.17 Imp.gal)
Fuel reserve amount:
0.7 L (0.18 US gal, 0.15 Imp.gal)
Carburetor:
Type × quantity:
PY-12 x 1
Spark plug(s):
Manufacturer/model:
NGK/BR8HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Dry, centrifugal automatic
8-1
Transmission:
Primary reduction ratio:
1
Final drive:
Gear
Secondary reduction ratio:
12.923 (52/13x42/13)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic type
Chassis:
Frame type:
Underbone
Caster angle:
27.00 °
Trail:
90 mm (3.5 in)
Front tire:
Type:
Tubeless
Size:
120/90-10 56J
Manufacturer/model:
SAVA / MC17
Rear tire:
Type:
Tubeless
Size:
130/90-10 61J
Manufacturer/model:
SAVA / MC17