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Model Type
Off-Road
Model Type
Standard
MSRP
$7,699
MSRP
$8,399
Warranty
1
Warranty
12
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Off-Road
Generic Type (Primary)
Standard
Manufacturer Country
Japan
Manufacturer Country
Japan
Introduction Year
2010
Introduction Year
2014
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
16
Parent Company
Yamaha
Parent Company
Yamaha
Display Name
YZ 250F
Display Name
Bolt R-Spec
Year
2018
Year
2018
Make
Yamaha
Make
Yamaha
Engine Type
Single-Cylinder
Engine Type
V Twin
Cylinders
1
Cylinders
2
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Liquid
Cooling
Air
Valves
4
Valves
8
Valves Per Cylinder
4
Valves Per Cylinder
4
Valve Configuration
DOHC
Valve Configuration
SOHC
Bore (mm/in)
77 / 3.03
Bore (mm/in)
85 / 3.35
Stroke (mm/in)
53.6 / 2.11
Stroke (mm/in)
83 / 3.27
Displacement (cc/ci)
249 / 15.2
Displacement (cc/ci)
942 / 58
Compression Ratio
13.5:1
Compression Ratio
9.0:1
Starter
Kick
Starter
Electric
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas
Turbocharged
No
Turbocharged
No
Supercharged
No
Supercharged
No
Carburetion Brand
Keihin
Carburetion Brand
-
Fuel Injector
Yes
Fuel Injector
Yes
Fuel Injector Size (mm)
44
Fuel Injector Size (mm)
-
Carburetor
No
Carburetor
No
Carburetion Type
Fuel Injected
Carburetion Type
Fuel Injected
US Miles Per Gallon (Combined)
-
US Miles Per Gallon (Combined)
51
Transmission Type
Manual
Transmission Type
Manual
Number Of Speeds
5
Number Of Speeds
5
Overdrive
No
Overdrive
-
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Belt
Reverse
No
Reverse
No
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Tube / Tubeless
Tubed
Tube / Tubeless
Tubeless
Chromed
Yes
Chromed
-
Tire Brand
Bridgestone(R)
Tire Brand
Bridgestone(R)
Front Tire Width
80
Front Tire Width
100
Front Tire Aspect Ratio
100
Front Tire Aspect Ratio
90
Front Tire Speed Rating
51M
Front Tire Speed Rating
H
Front Wheel Diameter
21
Front Wheel Diameter
19
Rear Tire Width
100
Rear Tire Width
150
Rear Tire Aspect Ratio
90
Rear Tire Aspect Ratio
80
Rear Tire Speed Rating
57M
Rear Tire Speed Rating
H
Rear Wheel Diameter
19
Rear Wheel Diameter
16
Front Tire (Full Spec)
Bridgestone(R) 80/100 R21
Front Tire (Full Spec)
Bridgestone(R) 100/90 R19 57H
Rear Tire (Full Spec)
Bridgestone(R) 100/90 R19
Rear Tire (Full Spec)
Bridgestone(R) 150/80 R16 71H
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
10.6 / 270
Front Brake Diameter (in/mm)
11.7 / 298
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Rear Brake Diameter (in/mm)
9.7 / 245
Rear Brake Diameter (in/mm)
11.7 / 298
Front Suspension Type
Inverted Fork
Front Suspension Type
Telescopic Fork
Front Travel (in/mm)
12.2 / 309.9
Front Travel (in/mm)
4.7 / 119.4
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
KYB
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)
12.4 / 315
Rear Travel (in/mm)
2.8 / 71.1
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
KYB
Rear Suspension Brand Name
-
Rear Suspension Material
Aluminum
Rear Suspension Material
-
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
-
Front Suspension Size (in/mm)
1.6 / 41
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
7.1
Length (ft)
7.52
Width (in/mm)
32.5 / 825.5
Width (in/mm)
37.2 / 944.9
Height (in/mm)
50.4 / 1280.2
Height (in/mm)
44.1 / 1120.1
Wheelbase (in/mm)
58.1 / 1475.7
Wheelbase (in/mm)
61.8 / 1569.7
Ground Clearance (in/mm)
12.8 / 325.1
Ground Clearance (in/mm)
5.1 / 129.5
Length (ft/ft)
7
Length (ft/ft)
7
Length (ft/in)
1.2
Length (ft/in)
6.2
Wet Weight (lbs/kg)
231 / 104.8
Wet Weight (lbs/kg)
542 / 245.9
Fuel Capacity (gal/l)
2 / 7.6
Fuel Capacity (gal/l)
3.4 / 12.9
Engine Displacement to Weight (cc)
1.08
Engine Displacement to Weight (cc)
1.74
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 / 965.2
Seat Height (in/mm)
27.2 / 690.9
Number Of Seats
1
Number Of Seats
1
Frame
Aluminum
Frame
Steel
Body Material
Plastic
Body Material
-
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
-
Chain Guard
Yes
Chain Guard
No
Chassis Protectors
Yes
Chassis Protectors
-
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
-
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
Yes
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Exhaust Guard
No
Exhaust Guard
Yes
Light Guard
No
Light Guard
No
Fuel Tank Cover
No
Fuel Tank Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
Standard
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
-
Skid Plate
Standard
Skid Plate
-
Radiator Cover
-
Radiator Cover
No
Stand Type
-
Stand Type
Kick
License Plate
-
License Plate
Standard
Warranty (Months/Condition)
1 / Limited
Warranty (Months/Condition)
12 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
No
Adjustable Handlebars
Standard
Adjustable Handlebars
-
Adjustable Levers
Standard
Adjustable Levers
-
Handlebar Lock
-
Handlebar Lock
Standard
Digital Instrumentation
-
Digital Instrumentation
Standard
Trip Odometer
-
Trip Odometer
Standard
Speedometer
-
Speedometer
Standard
Fuel Level Warning
-
Fuel Level Warning
Standard
Headlight Mounts
-
Headlight Mounts
Standard
Halogen Headlight (s)
-
Halogen Headlight (s)
Standard
Headlight (s)
-
Headlight (s)
Standard
Light Type
-
Light Type
Halogen
Rearview Mirrors
-
Rearview Mirrors
Standard
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