Yamaha YP250 Service Manual page 24

Carburetor:
Type/quantity
Manufacturer
Spark plug:
Type
Manufacturer
Spark plug gap
Clutch type:
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction sytem
Secondary reduction ratio
Transmission type
Operation
Single speed automatic
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size front
rear
Manufacturer front
rear
Type front
rear
Tire pressure (cold tire):
Maximum load-except motorcycle
Loading condition A*
front
rear
Loading condition B*
front
rear
High-speed riding
front
rear
*Load is the total weight of cargo, rider, passenger, and accessories.
GENERAL SPECIFICATIONS
Model
Y28V-1A/1
TEIKEI
DR8EA
NGK
0.6 X 0.7 mm
Dry, centrifugal automatic
Helical gear
40/15 (2.666)
Sper gear
37/16 (2.312)
Single speed automatic (V-belt type)
Centrifugal automatic type
2.20 X 0.88:1
Steel tube underbone
28_
103 mm
Tubeless
110/90-12 64J
130/70-12 62L
IRC/CHENG SHIN
IRC/CHENG SHIN
MB61/C922
MB61/C940
197 kg
0 X 90 kg
175 kPa (1.75 kg/cm
200 kPa (2.0 kg/cm
90 X 205 kg
200 kPa (2.0 kg/cm
225 kPa (2.25 kg/cm
200 kPa (2.0 kg/cm
250 kPa (2.5 kg/cm
2-2
SPEC
YP250
2
, 1.75 bar)
2
, 2.0 bar)
2
, 2.0 bar)
2
, 2.25 bar)
2
, 2.0 bar)
2
, 2.5 bar)