Maker	YAMAHA	Engine Type	Water-cooled/2-stroke/Single Cylinder Piston Lead Valve
Model name	YZ250	Engine Starting Method	Kick Starter
Type · Grade	-	Maximum Output (ps)	53ps(39kw)/8000rpm
Engine Operation	2 stroke	Maximum Torque (kgf/m)	5.0kg・m(49N・m)/7500rpm
Model		Vehicle Weight (Dry Weight)	98 kg
Displacement	249 cc	Vehicle Weight (Curb Weight)	110 kg
Release year	2001	Length(mm)・Height(mm)・Width(mm)	1292 x 827 x 2176
Fuel Efficiency by Catalog	-	Seat Height	-
Fuel Tank Capacity	8 liters	Front Tire Indication	80/100-21 51M
Fuel Supply	Carburetor	for Rear Tire Indication	110/90-19 62M

Standard Plug	BR8EG	Sprocket size	Drive Sprocket Teeth Number 14 Driven Sprocket Teeth Number 50
Number of Used Plugs	1	Chain Size	520
Plug Gap	-	Battery Code	-
Engine Oil Amount	0.8	Head Light	- Headlamp Type: -
Engine Oil (Refill)	-	Headlamp Remarks	-
Engine Oil (Element Replacement)	-	Tail Light	- -
Front Blinker Rating	-	Rear Blinker Rating	-

Motor Model Code	G106E
Bore (mm)	66.4
Stroke (mm)	72
Compression Ratio	9.1-10.6
Ignition Method	C.D.I.
Engine Lubrication Type	Mixed Lubrication
Frame Type	Steel Pipe Semi-double Cradle
Minimum Rotaion Radius	-
Caster Angle	27.1度
Trail Amount (mm)	117
Minimum Ground Clearance	382
Distance Between Axes	1481
Turning Angle (Right)	-
Turning Angle (Left)	-
Seating Capacity	1
Fuel Tank Reserve Capacity	-

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Tires (169) 4.5
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Front Brake Type	Hydraulic Single Disc
Front Brake Remarks	-
Rear Brake Type	Hydraulic Single Disc
Rear Brake Remarks	-
Suspension Type (Front)	Telescopic
Front Suspension Stroke	300
Front Fork Type	-
Front Fork Diameter	-
Suspension Type (Rear)	Swingarm (Link Type Monocross)
Number of Rear Shock Absorbers	-
Rear Suspension Stroke	-
Rear Wheel Travel	315
ABS	Not Available
Drive System	-
Differential Oil Amount	-
Chain Remarks	-

Under Seat Capacity	-
Helmet Storage Box	Not Available
Mirror Screw Hole Diameter	-
Mirror Remarks	-
Electronic Device Remarks	-
Fuel Gauge	Not Available
Clock	Not Available
Hazard	Not Available
Anti Theft Device	Not Available
Tail Light Base Shape	-
Tail Light Base Shape 2	-
Tail Light Remarks	-
Front Blinker Bulb Type	-
Front Blinker Base Shape	-

Clutch Type	Wet Type Multi Plate Coil Spring
Gear Ratio Type	Return Type 5-stages
Number of Gears	5
Gear Ratio	1.929 / 1.563 / 1.278 / 1.091 / 0.952
Primary Speed Reduction Ratio	3.000
Secondary Speed Reduction Ratio	3.571
Variable Speed Vehicle Gear Ratio	-
Tappet Clearance (mm) IN	-
Tappet Clearance (mm) EX	-
Idling Initial Value (rpm)	-
Needle Steps (Clip Location)	-
Float Level (mm)	-
Amount of returning Air Screw	-
Main Jet Type	-
Main Jet Number	-

Clutch Cable Length	-
Choke Cable Length	-
Meter Cable Length	-
Throttle Cable Length	-
Front Brake Cable Length	-
Rear Brake Cable Length	-
Other Cables	-
Engine Number (Production Launch)	-
Engine Number (Production End)	-


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YAMAHA YZ250

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2001 YAMAHA YZ250

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2001 YAMAHA YZ250 Service Data

2001 YAMAHA YZ250 Service Data (Detail)

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