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Model Type
Off-Road
Model Type
-
MSRP
$9,699
MSRP
-
Warranty
1
Warranty
-
Insurance
Insurance
-
Finance
Finance
-
Generic Type (Primary)
Off-Road
Generic Type (Primary)
Off-Road
Manufacturer Country
Japan
Manufacturer Country
Japan
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Yamaha
Parent Company
Yamaha
Display Name
WR 450F
Display Name
YZ 125
Year
2020
Year
2023
Make
Yamaha
Make
Yamaha
Photo Gallery
-
Photo Gallery
Standard
Representative Image
-
Representative Image
No
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Cooling
Liquid
Cooling
Liquid
Valves
4
Valves
-
Valves Per Cylinder
4
Valves Per Cylinder
-
Valve Configuration
DOHC
Valve Configuration
Reed Valve
Bore (mm/in)
97 / 3.82
Bore (mm/in)
54 / 2.13
Stroke (mm/in)
60.9 / 2.4
Stroke (mm/in)
-
Displacement (cc/ci)
450 / 27.5
Displacement (cc/ci)
125 / 7.6
Compression Ratio
12.8:1
Compression Ratio
8.2
Starter
Electric
Starter
Kick
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas / Oil Premix
Turbocharged
No
Turbocharged
-
Supercharged
No
Supercharged
-
Carburetion Brand
Mikuni
Carburetion Brand
Keihin
Fuel Injector
Yes
Fuel Injector
No
Fuel Injector Size (mm)
44
Fuel Injector Size (mm)
-
Carburetor
No
Carburetor
Yes
Carburetion Type
Fuel Injected
Carburetion Type
Carburetor
Engine
-
Engine
Standard
Carburetion
-
Carburetion
Standard
Number Of Carburetors
-
Number Of Carburetors
1
Stroke (in/mm)
-
Stroke (in/mm)
2.15 / 54.5
Compression Ratio (Secondary)
-
Compression Ratio (Secondary)
10.1:1
Carburetor Size (mm)
-
Carburetor Size (mm)
38
Transmission Type
Manual
Transmission Type
Manual
Number Of Speeds
5
Number Of Speeds
6
Overdrive
No
Overdrive
No
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Reverse
No
Reverse
No
Transmission
-
Transmission
Standard
Tube / Tubeless
Tubed
Tube / Tubeless
-
Chromed
No
Chromed
-
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
-
Rear Tire Width
120
Rear Tire Width
-
Rear Tire Aspect Ratio
90
Rear Tire Aspect Ratio
-
Rear Wheel Diameter
18
Rear Wheel Diameter
-
Front Tire (Full Spec)
Dunlop(R) 80/100 R21 MX3S
Front Tire (Full Spec)
-
Rear Tire (Full Spec)
Dunlop(R) 120/90 R18 MX3S
Rear Tire (Full Spec)
-
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
10.6 / 270
Front Brake Diameter (in/mm)
10.6 / 270
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Rear Brake Diameter (in/mm)
9.6 / 245
Rear Brake Diameter (in/mm)
9.4 / 240
Brakes
-
Brakes
Standard
Front Suspension Type
Inverted Fork
Front Suspension Type
Inverted Fork
Front Travel (in/mm)
12.2 / 309.9
Front Travel (in/mm)
11.8 / 299.7
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Rebound Damping
Yes
Front Adjustable Rebound Damping
Yes
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Front Suspension Brand Name
KYB
Front Suspension Brand Name
KYB
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Travel (in/mm)
12.5 / 317.5
Rear Travel (in/mm)
12.4 / 315
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
Yes
Rear Adjustable Rebound Damping
Yes
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Rear Suspension Brand Name
KYB
Rear Suspension Brand Name
KYB
Rear Suspension Material
Aluminum
Rear Suspension Material
Aluminum
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
-
Front Suspension Size (in/mm)
1.9 / 48
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
7.13
Length (ft)
-
Width (in/mm)
32.5 / 825.5
Width (in/mm)
-
Height (in/mm)
50 / 1270
Height (in/mm)
-
Wheelbase (in/mm)
58.3 / 1480.8
Wheelbase (in/mm)
-
Ground Clearance (in/mm)
12.6 / 320
Ground Clearance (in/mm)
-
Length (ft/ft)
7
Length (ft/ft)
-
Length (ft/in)
1.6
Length (ft/in)
-
Wet Weight (lbs/kg)
265 / 120.2
Wet Weight (lbs/kg)
-
Fuel Capacity (gal/l)
2.2 / 8.3
Fuel Capacity (gal/l)
-
Engine Displacement to Weight (cc)
1.7
Engine Displacement to Weight (cc)
-
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)
37.6 / 955
Seat Height (in/mm)
38.6 / 980.4
Number Of Seats
1
Number Of Seats
1
Seat Specifications
-
Seat Specifications
Standard
Frame
Aluminum
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
Chassis Protectors
Yes
Chassis Protectors
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
No
Fork Guards
Yes
Fork Guards
Yes
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
No
Exhaust Guard
No
Light Guard
No
Light Guard
No
Fuel Tank Cover
No
Fuel Tank Cover
No
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
-
Stand Type
Kick
Stand Type
-
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
Standard
Skid Plate
Standard
Skid Plate
-
Construction
-
Construction
Standard
Foot Pegs
-
Foot Pegs
Standard
Exterior Guards
-
Exterior Guards
Standard
Hand Guards
-
Hand Guards
No
Exterior Covers
-
Exterior Covers
Standard
Stand
-
Stand
Optional
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 Type
Light
Fuel Level Warning Type
-
Warranty (Condition)
Limited
Warranty (Condition)
-
Destination Charge
425
Destination Charge
450
Battery Warranty (Months)
0
Battery Warranty (Months)
-
Price
-
Price
Standard
MSRP
-
MSRP
$6,999
Warranty (Months/Condition)
-
Warranty (Months/Condition)
1 / Limited
Metallic
No
Metallic
-
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
Standard
Adjustable Levers
Standard
Adjustable Levers
Standard
Dimensions
-
Dimensions
Standard
Weight
-
Weight
Standard
Capacities
-
Capacities
Standard
Performance
-
Performance
Standard
Length (in/mm)
-
Length (in/mm)
84.1 / 2136.1
Width (in/mm)
-
Width (in/mm)
32.5 / 825.5
Height (in/mm)
-
Height (in/mm)
51 / 1295.4
Wheelbase (in/mm)
-
Wheelbase (in/mm)
56.9 / 1445.3
Ground Clearance (in/mm)
-
Ground Clearance (in/mm)
14.4 / 365.8
Wet Weight (lbs/kg)
-
Wet Weight (lbs/kg)
209 / 94.8
Fuel Capacity (gal/l)
-
Fuel Capacity (gal/l)
1.8 / 6.8
Engine Displacement to Weight (cc)
-
Engine Displacement to Weight (cc)
0.6
Wheels
-
Wheels
Standard
Wheels Composition
-
Wheels Composition
Aluminum
Chromed
-
Chromed
Yes
Tube / Tubeless
-
Tube / Tubeless
Tubed
Tires
-
Tires
Standard
Tire Brand
-
Tire Brand
Bridgestone®
Front Tire Width
-
Front Tire Width
80
Front Tire Aspect Ratio
-
Front Tire Aspect Ratio
100
Front Wheel Diameter
-
Front Wheel Diameter
21
Rear Tire Width
-
Rear Tire Width
100
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
90
Rear Wheel Diameter
-
Rear Wheel Diameter
19
Front Tire (Full Spec)
-
Front Tire (Full Spec)
Bridgestone® X20F 80/100 R21
Rear Tire (Full Spec)
-
Rear Tire (Full Spec)
Bridgestone® X20 100/90 R19
Storage Cover
-
Storage Cover
Optional
Paint
-
Paint
Standard
Metallic
-
Metallic
No
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