Specifications - Yamaha YN50E Owner's Manual

Dimensions:
Overall length:
1840 mm (72.4 in)
Overall width:
683 mm (26.9 in)
Overall height:
1125 mm (44.3 in)
Seat height:
790 mm (31.1 in)
Wheelbase:
1275 mm (50.2 in)
Ground clearance:
146 mm (5.75 in)
Minimum turning radius:
1955 mm (77.0 in)
Weight:
Curb weight:
88 kg (194 lb)
Engine:
Engine type:
Air cooled 2-stroke
Cylinder arrangement:
Single cylinder
Displacement:
49 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio:
11.30 : 1
Starting system:
Kickstarter
Lubrication system:
Separate lubrication (Yamaha autolube)
Engine oil:
Type:
YAMALUBE 2S or 2-stroke engine oil
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)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
6.1 L (1.61 US gal, 1.34 Imp.gal)
Fuel reserve amount:
1.5 L (0.40 US gal, 0.33 Imp.gal)
Carburetor:
Type × quantity:
PY12 x 1
Spark plug(s):
Manufacturer/model:
YN50E NGK/BR8HS
YN50EM NGK/BPR4HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Dry, centrifugal automatic
8-1

SPECIFICATIONS

Transmission:
Primary reduction ratio:
1
Final drive:
Gear
Secondary reduction ratio:
YN50E 12.923 (52/13 x 42/13)
YN50EM 15 (52/13 x 45/12)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic type
Chassis:
Frame type:
Underbone
Caster angle:
26.50 °
Trail:
92 mm (3.6 in)
Front tire:
Type:
Tubeless
Size:
120/70-12 51L
Manufacturer/model:
VEE RUBBER
Rear tire:
Type:
Tubeless
Size:
130/70-12 56L
Manufacturer/model:
VEE RUBBER
8