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Model Type
Off-Road
Model Type
Youth
MSRP
$6,399
MSRP
$1,099
Warranty
1
Warranty
3
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Off-Road
Generic Type (Primary)
Youth
Manufacturer Country
Japan
Manufacturer Country
Japan
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Yamaha
Parent Company
Yamaha
Display Name
WR 250F
Display Name
PW 50
Year
2007
Year
2007
Make
Yamaha
Make
Yamaha
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Cooling
Liquid
Cooling
Air
Valves
5
Valves
-
Valves Per Cylinder
5
Valves Per Cylinder
-
Valve Configuration
DOHC
Valve Configuration
Reed Valve
Bore (mm/in)
77 / 3.03
Bore (mm/in)
40 / 1.57
Stroke (mm/in)
53.6 / 2.11
Stroke (mm/in)
39.2 / 1.58
Displacement (cc/ci)
249 / 15.2
Displacement (cc/ci)
49 / 3
Compression Ratio
12.5:1
Compression Ratio
6.0:1
Starter
Electric / Kick
Starter
Kick
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas / Oil Injected
Carburetion Brand
Keihin
Carburetion Brand
Mikuni
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetor Size (mm)
37
Carburetor Size (mm)
12
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Speed Governor
-
Speed Governor
Yes
Transmission Type
Manual
Transmission Type
Automatic
Number Of Speeds
5
Number Of Speeds
1
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Shaft
Reverse
No
Reverse
No
Adjustable Throttle
-
Adjustable Throttle
Standard
Wheels Composition
Aluminum
Wheels Composition
-
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Tire Brand
Dunlop(R)
Tire Brand
-
Front Tire Width
80
Front Tire Width
-
Front Tire Aspect Ratio
100
Front Tire Aspect Ratio
-
Front Wheel Diameter
21
Front Wheel Diameter
10
Rear Tire Width
100
Rear Tire Width
-
Rear Tire Aspect Ratio
100
Rear Tire Aspect Ratio
-
Rear Wheel Diameter
18
Rear Wheel Diameter
10
Front Tire (Full Spec)
80/100 R21
Front Tire (Full Spec)
2.5 X 10
Rear Tire (Full Spec)
100/100 R18
Rear Tire (Full Spec)
2.5 X 10
Front Wheel Width (in)
-
Front Wheel Width (in)
2.5
Rear Wheel Width (in)
-
Rear Wheel Width (in)
2.5
Chromed
-
Chromed
No
Front Brake Type
Disc
Front Brake Type
Drum
Front Brake Diameter (in/mm)
9.8 / 250
Front Brake Diameter (in/mm)
3.2 / 80
Rear Brake Type
Disc
Rear Brake Type
Drum
Rear Brake Diameter (in/mm)
9.6 / 245
Rear Brake Diameter (in/mm)
3.2 / 80
Front Suspension Type
Inverted Fork
Front Suspension Type
Telescopic Fork
Front Suspension Size (in/mm)
1.9 / 48
Front Suspension Size (in/mm)
0.9 / 22
Front Travel (in/mm)
11.8 / 300
Front Travel (in/mm)
2.4 / 60.9
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Fork Pre-Load
No
Front Adjustable Rebound Damping
Yes
Front Adjustable Rebound Damping
No
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Front Suspension Brand Name
Kabaya
Front Suspension Brand Name
-
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Travel (in/mm)
12 / 304.8
Rear Travel (in/mm)
2 / 50.8
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Rebound Damping
Yes
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
2
Rear Suspension Brand Name
Kabaya
Rear Suspension Brand Name
-
Rear Suspension Material
Aluminum
Rear Suspension Material
-
Air Adjustable
No
Air Adjustable
No
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
7.1
Length (ft)
4.08
Width (in/mm)
32.5 / 825.5
Width (in/mm)
22.6 / 574
Height (in/mm)
51.2 / 1300.5
Height (in/mm)
28.1 / 713.7
Wheelbase (in/mm)
58.2 / 1478.3
Wheelbase (in/mm)
33.7 / 856
Ground Clearance (in/mm)
14.4 / 365.8
Ground Clearance (in/mm)
4.1 / 104.1
Length (ft/ft)
7
Length (ft/ft)
4
Length (ft/in)
1.2
Length (ft/in)
1
Dry Weight (lbs/kg)
233.7 / 106
Dry Weight (lbs/kg)
82 / 37.2
Fuel Capacity (gal/l)
2.1 / 8
Fuel Capacity (gal/l)
0.5 / 1.9
Engine Displacement to Weight (cc)
1.07
Engine Displacement to Weight (cc)
0.6
Seat Type
One-Piece
Seat Type
One-Piece
Adjustable
No
Adjustable
No
Seat Material
Vinyl
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver
Folding
No
Folding
No
Seat Height (in/mm)
38.6 / 980.4
Seat Height (in/mm)
19.1 / 485.1
Number Of Seats
1
Number Of Seats
1
Frame
Aluminum
Frame
Steel
Body Material
Plastic
Body Material
Plastic
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Chassis Protectors
Yes
Chassis Protectors
-
Drive Shaft Guard
No
Drive Shaft Guard
-
Engine Case Guard
No
Engine Case Guard
-
Fork Guards
Yes
Fork Guards
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Belt Guard
No
Belt Guard
No
Brush Guard
No
Brush Guard
No
Exhaust Guard
Yes
Exhaust Guard
Yes
Light Guard
No
Light Guard
No
Exterior Covers
Standard
Exterior Covers
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
Standard
Stand Type
Kick
Stand Type
Center / Kick
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
Standard
Skid Plate
Standard
Skid Plate
-
Adjustable
-
Adjustable
No
Chain Guard
-
Chain Guard
No
Hand Guards
-
Hand Guards
No
Radiator Cover
-
Radiator Cover
No
Digital Instrumentation
Standard
Digital Instrumentation
-
Clock
Standard
Clock
-
Trip Odometer
Standard
Trip Odometer
-
Trip Computer
Standard
Trip Computer
-
Lap Timer
Standard
Lap Timer
-
Speedometer
Standard
Speedometer
-
Fuel Level Warning
Standard
Fuel Level Warning
-
Warranty (Months/Condition)
1 / Limited
Warranty (Months/Condition)
3 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
No
Decal Kit
Standard
Decal Kit
Standard
Headlight Mounts
Standard
Headlight Mounts
-
Halogen Headlight (s)
Standard
Halogen Headlight (s)
-
Headlight (s)
Standard
Headlight (s)
-
Light Type
Halogen
Light Type
-
Adjustable Handlebars
Standard
Adjustable Handlebars
-
Adjustable Levers
Standard
Adjustable Levers
-
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