Dimensions:
Overall length:
1840 mm (72.4 in)
Overall width:
793 mm (31.2 in)
Overall height:
1260 mm (49.6 in)
Seat height:
793 mm (31.2 in)
Wheelbase:
1275 mm (50.2 in)
Ground clearance:
146 mm (5.75 in)
Minimum turning radius:
3880 mm (152.8 in)
Weight:
Curb weight:
88.0 kg (194 lb)
Engine:
Engine type:
Air cooled 2-stroke
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
49 cm
3
Bore x stroke:
40.0 x 39.2 mm (1.57 x 1.54 in)
Compression ratio:
YN50: 11.00 :1
YN50M: 10.00 :1
Starting system:
Electric starter and kickstarter
Lubrication system:
Separate lubrication (Yamaha autolube)
Type:
YAMALUBE 2 or 2-stroke engine oil
Engine oil quantity:
Quantity:
1.50 L (1.59 US qt, 1.32 Imp.qt)
Transmission oil:
Type:
YAMALUBE 4 (10W-40) or SAE 10W-40
Oil change quantity:
0.10 L (0.11 US qt, 0.09 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
6.1 L (1.61 US gal, 1.34 Imp.gal)
Fuel reserve amount:
1.4 L (0.37 US gal, 0.31 Imp.gal)
Carburetor:
Manufacturer:
GURTNER
Type x quantity:
PY12 x 1
Spark plug (s):
Manufacturer/model:
YN50: NGK/BR8HS
YN50M: NGK/BPR4HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch type:
Dry, centrifugal automatic
Transmission:
Primary reduction ratio:
1
Secondary reduction system:
Gear
Secondary reduction ratio:
YN50: 12.923 (52/13 x 42/13)
YN50M: 15.000 (52/12 x 45/13)
Transmission type:
V-belt automatic
Chassis:
Frame type:
Underbone
Caster angle:
26.50 º
Trail:
92.6 mm (3.65 in)
Front tire:
Type:
Tubeless
Size:
120/70-12 M/C 51L
Manufacturer/model:
VEE RUBBER
Manufacturer/model:
CONTINENTAL / ZIPPY 1
Manufacturer/model:
PIRELLI / SL26
Rear tire:
Type:
Tubeless
SPECIFICATIONS
8-1
8
