Specifications - Yamaha YBR125ESD Owner's Manual

Dimensions:
Overall length:
1985 mm (78.1 in)
Overall width:
745 mm (29.3 in)
Overall height:
1100 mm (43.3 in)
Seat height:
780 mm (30.7 in)
Wheelbase:
1290 mm (50.8 in)
Ground clearance:
160 mm (6.30 in)
Minimum turning radius:
2080 mm (81.9 in)
Weight:
With oil and fuel:
126 kg (278 lb)
Engine:
Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
124 cm³
Bore × stroke:
54.0 × 54.0 mm (2.13 × 2.13 in)
Compression ratio:
10.00 :1
Starting system:
Electric starter and kickstarter
Lubrication system:
Wet sump
Engine oil:
Recommended brand:
YAMALUBE
Type:
SAE 10W-30, 10W-40, 10W-50, 15W-40,
20W-40 or 20W-50
0 10 30 50 70 90 110
SAE 10W-30
SAE 10W-40
SAE 10W-50
SAE 15W-40
SAE 20W-40
SAE 20W-50
–20 –10 0 10 20 30 40 50 ˚C
Recommended engine oil grade:
API service SE, SF, SG type or higher,
JASO standard MA
Engine oil quantity:
Periodic oil change:
1.00 L (1.06 US qt, 0.88 Imp.qt)
Air filter:
Air filter element:
Dry element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
13.0 L (3.43 US gal, 2.86 Imp.gal)
Fuel reserve amount:
2.6 L (0.69 US gal, 0.57 Imp.gal)
8-1

SPECIFICATIONS

Carburetor:
Type × quantity:
BS25 x 1
Spark plug(s):
Manufacturer/model:
NGK/CR6HSA
Spark plug gap:
130 ˚F
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Helical gear
Primary reduction ratio:
68/20 (3.400)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
45/14 (3.214)
Transmission type:
Constant mesh 5-speed
Operation:
Left foot operation
Gear ratio:
1st:
37/14 (2.643)
2nd:
32/18 (1.778)
3rd:
25/19 (1.316)
4th:
23/22 (1.045)
8