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Model Type
Youth
Model Type
Off-Road
MSRP
$1,699
MSRP
$7,999
Warranty
3
Warranty
1
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Youth
Generic Type (Primary)
Off-Road
Manufacturer Country
Japan
Manufacturer Country
Japan
Introduction Year
2006
Introduction Year
2015
Parent Company
Yamaha
Parent Company
Yamaha
Display Name
TT-R 50E
Display Name
YZ 250FX
Year
2019
Year
2019
Make
Yamaha
Make
Yamaha
Manufacturer Recommend Minimum Age
-
Manufacturer Recommend Minimum Age
16
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Air
Cooling
Liquid
Valves
2
Valves
4
Valves Per Cylinder
2
Valves Per Cylinder
4
Valve Configuration
SOHC
Valve Configuration
DOHC
Bore (mm/in)
36 / 1.42
Bore (mm/in)
77 / 3.03
Stroke (mm/in)
48.6 / 1.91
Stroke (mm/in)
53.6 / 2.11
Displacement (cc/ci)
49 / 3
Displacement (cc/ci)
249 / 15.2
Compression Ratio
9.5:1
Compression Ratio
13.5:1
Starter
Electric
Starter
Electric
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas
Turbocharged
No
Turbocharged
No
Supercharged
No
Supercharged
No
Carburetion Brand
Mikuni
Carburetion Brand
Keihin
Fuel Injector
No
Fuel Injector
Yes
Carburetor
Yes
Carburetor
No
Number Of Carburetors
1
Number Of Carburetors
-
Carburetor Size (mm)
11
Carburetor Size (mm)
-
Carburetion Type
Carburetor
Carburetion Type
Fuel Injected
Speed Governor
Yes
Speed Governor
-
Fuel Injector Size (mm)
-
Fuel Injector Size (mm)
44
Transmission Type
Manual / Automatic Clutch
Transmission Type
Manual
Number Of Speeds
3
Number Of Speeds
6
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Reverse
No
Reverse
No
Adjustable Throttle
Standard
Adjustable Throttle
-
Overdrive
-
Overdrive
No
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Front Wheel Width (in)
2.5
Front Wheel Width (in)
-
Rear Wheel Width (in)
2.5
Rear Wheel Width (in)
-
Chromed
No
Chromed
Yes
Front Wheel Diameter
10
Front Wheel Diameter
21
Rear Wheel Diameter
10
Rear Wheel Diameter
18
Front Tire (Full Spec)
2.5 X 10 4PR
Front Tire (Full Spec)
Dunlop(R) AT81 90/90 R21
Rear Tire (Full Spec)
2.5 X 10 4PR
Rear Tire (Full Spec)
Dunlop(R) AT81 110/100 R18
Wheels Composition
-
Wheels Composition
Aluminum
Tire Brand
-
Tire Brand
Dunlop(R)
Front Tire Width
-
Front Tire Width
90
Front Tire Aspect Ratio
-
Front Tire Aspect Ratio
90
Rear Tire Width
-
Rear Tire Width
110
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
100
Front Brake Type
Drum
Front Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
3.2 / 80
Front Brake Diameter (in/mm)
10.6 / 270
Rear Brake Type
Drum
Rear Brake Type
Hydraulic Disc
Rear Brake Diameter (in/mm)
3.2 / 80
Rear Brake Diameter (in/mm)
9.7 / 245
Front Suspension Type
Inverted Fork
Front Suspension Type
Inverted Fork
Front Suspension Size (in/mm)
0.9 / 22
Front Suspension Size (in/mm)
-
Front Travel (in/mm)
3.8 / 96.5
Front Travel (in/mm)
12.2 / 309.9
Front Adjustable Fork Pre-Load
No
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
Yes
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Travel (in/mm)
2.8 / 71.1
Rear Travel (in/mm)
12.5 / 317.5
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
Yes
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Rear Suspension Material
Steel
Rear Suspension Material
Aluminum
Air Adjustable
No
Air Adjustable
No
Front Suspension Brand Name
-
Front Suspension Brand Name
KYB
Rear Suspension Size (in/mm)
-
Rear Suspension Size (in/mm)
2 / 50
Rear Suspension Brand Name
-
Rear Suspension Brand Name
KYB
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
4.28
Length (ft)
7.1
Width (in/mm)
23.4 / 594.4
Width (in/mm)
32.5 / 825.5
Height (in/mm)
31.3 / 795
Height (in/mm)
50.4 / 1280.2
Wheelbase (in/mm)
36.4 / 924.6
Wheelbase (in/mm)
57.7 / 1465.6
Ground Clearance (in/mm)
5.3 / 134.6
Ground Clearance (in/mm)
12.8 / 325.1
Length (ft/ft)
4
Length (ft/ft)
7
Length (ft/in)
3.4
Length (ft/in)
1.2
Wet Weight (lbs/kg)
126 / 57.2
Wet Weight (lbs/kg)
249 / 112.9
Fuel Capacity (gal/l)
0.8 / 3
Fuel Capacity (gal/l)
2 / 7.6
Engine Displacement to Weight (cc)
0.39
Engine Displacement to Weight (cc)
1
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)
21.9 / 556.3
Seat Height (in/mm)
38 / 965.2
Number Of Seats
1
Number Of Seats
1
Frame
Steel
Frame
Aluminum
Body Material
Plastic
Body Material
Plastic
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
No
Chain Guard
Yes
Chain Guard
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
Yes
Engine Case Guard
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Belt Guard
No
Belt Guard
No
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Exhaust Guard
Yes
Exhaust Guard
No
Light Guard
No
Light Guard
No
Radiator Cover
No
Radiator Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
Standard
Stand Type
Kick
Stand Type
Kick
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
Standard
Skid Plate
Standard
Skid Plate
Standard
Chassis Protectors
-
Chassis Protectors
Yes
Fork Guards
-
Fork Guards
Yes
Fuel Tank Cover
-
Fuel Tank Cover
No
Warranty (Condition)
Limited
Warranty (Condition)
Limited
Destination Charge
200
Destination Charge
375
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
No
Fuel Level Warning Type
-
Fuel Level Warning Type
Gauge
Service Reminder
-
Service Reminder
Standard
Adjustable Handlebars
-
Adjustable Handlebars
Standard
Adjustable Levers
-
Adjustable Levers
Standard
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