8-1
EAU01038
SPECIFICATIONS
8
SpecificationsSpecificationsModel YP250A
Dimensions
Overall length 2,145 mm
Overall width 770 mm
Overall height 1,350 mm
Seat height 730 mm
Wheelbase 1,535 mm
Ground clearance 120 mm
Minimum turning radius 2,700 mm
Basic weight (with oil and full
fuel tank)177 kg
Engine
Engine type Liquid-cooled 4-stroke, SOHC
Cylinder arrangement Forward inclined single
cylinder
Displacement 249 cm
3
Bore ×Stroke 69.0 ×66.8 mm
Compression ratio 10:1
Starting system Electric starter
Lubrication system Wet sumpEngine oil
Type
Recommended engine oil
classification API Service SE, SF, SG type
or higher
cC
Do not use oils with a diesel specification of “CD” or oils of a
higher quality than specified. In addition, do not use oils
labeled “ENERGY CONSERVING II” or higher.
Quantity
Periodic oil change 1.2 L
Total amount (dry engine) 1.4 L
–10° 0° 10° 20° 30°
40°
SAE 10W/30
SAE 10W/40
SAE 20W/40
SAE 20W/50
–20°
SAE 15W/40 50°C
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SPECIFICATIONS
8
Final transmission oil
Type Engine oil SAE 10W-30
(API SE)
Total amount 0.25 L
Radiator capacity
(including all routes)1.4 L
Air filterWet type element
Fuel
Type REGULAR UNLEADED
GASOLINE ONLY
Fuel tank capacity 12 L
Carburetor
Manufacturer TEIKEI
Model × quantity Y28V-1E × 1
Spark plug
Manufacturer/model NGK/DR8EA
Spark plug gap 0.6–0.7 mm
Clutch typeDry, centrifugal automatic
Transmission
Primary reduction system Helical gear
Primary reduction ratio 40/15 (2.666)
Secondary reduction system Helical gear
Secondary reduction ratio 38/15 (2.533)Transmission type V-belt automatic
Operation Centrifugal automatic type
Chassis
Frame type Steel tube underbone
Caster angle 28°
Trail 103 mm
Tires
Front
Type Tubeless
Size 110/90-12 64L
Manufacturer/ IRC/MB67
model MICHELIN/BOPPER
Rear
Type Tubeless
Size 130/70-12 62L
Manufacturer/ IRC/MB67
model MICHELIN/BOPPER
Maximum load* 178 kg
Air pressure (cold tire)
up to 90 kg load*
Front175 kPa (1.75 kgf/cm
2, 1.75 bar)
Rear 200 kPa (2.00 kgf/cm
2, 2.00 bar)
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