Specifications - Yamaha YBR250 Owner's Manual

Dimensions:
Overall length:
2025 mm (79.7 in)
Overall width:
745 mm (29.3 in)
Overall height:
1065 mm (41.9 in)
Seat height:
805 mm (31.7 in)
Wheelbase:
1360 mm (53.5 in)
Ground clearance:
190 mm (7.5 in)
Minimum turning radius:
2395 mm (94.3 in)
Weight:
With oil and fuel:
154.0 kg (339 lb)
Engine:
Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
249.0 cm 3 (15.2 cu.in)
Bore x stroke:
74.0 x 58.0 mm (2.91 x 2.28 in)
Compression ratio:
9.80:1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:
Type:
SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SF, SG type or higher
Engine oil quantity:
Without oil filter element replacement
1.35 L (1.43 US qt) (1.19 imp. qt)
With oil filter element replacement
1.45 L (1.53 US qt) (1.28 imp. qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
19.2 L (5.07 US gal) (4.22 imp. gal)
Fuel reserve amount:
4.5 L (1.19 US gal) (1.00 imp. gal)
8 - 1

SPECIFICATIONS

Fuel injection:
Manufacturer:
AISAN
Model/quantity:
1100-87F70/1
Spark plug:
Manufacturer/model:
NGK/DR8EA
Spark plug gap:
0.6-0.7 mm (0.024 - 0.028 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Spur gear
Primary reduction ratio:
74/24 (3.083)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
44/15 (2.933)
Transmission type:
Constant mesh 5-speed
Operation:
Left foot operation
Gear ratio:
1st:
36/14 (2.571)
2nd:
32/19 (1.684)
3rd:
8