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2014 Yamaha YZ250F Overview
The 2014 Yamaha YZ250F is a cross / motocross motorcycle built around 250 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running DOHC valve actuation, a compression ratio of 13.5:1. The bore and stroke measures 77 x 53.6 mm. 2014 Yamaha YZ250F delivers. The factory-quoted top speed stands at 120 km/h, making it a capable performer in its class. From a practical standpoint, the 2014 YZ250F tips the scales at 103 kg, carries a 6.06-litre fuel tank, offers a seat height of 991 mm and spans a 1,476 mm wheelbase. Scroll down for the complete 2014 Yamaha YZ250F spec sheet covering every technical detail from suspension travel to tyre sizes.
2014 YZ250F - Pros & Cons
Strengths
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Factory engineering: The 2014 Yamaha YZ250F represents Yamaha's engineering at the time, with a specification built around real-world usability.
Considerations
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Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
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Tall seat height: The 991 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
Carburetor maintenance
Carburetors on the 2014 Yamaha YZ250F benefit from a clean and re-jet if the bike has been stored, run on stale fuel, or modified with an aftermarket exhaust. Owners frequently mention that fresh jets and float needle clips transforms throttle response from flat to crisp.
Valve clearance checks
DOHC engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
YZ250F - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2014 Yamaha YZ250F, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained YZ250F should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any YZ250F. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
Carburetor upkeep
Keep the carburetors clean and free of deposits. If the YZ250F has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used YZ250F. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.
2014 Yamaha YZ250F - Frequently Asked Questions
What engine does the 2014 Yamaha YZ250F have?
The 2014 Yamaha YZ250F uses a Single cylinder, four-stroke engine with 250 cc of displacement.
What is the top speed of the 2014 Yamaha YZ250F?
The 2014 Yamaha YZ250F has a factory-quoted top speed of 120 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 2014 Yamaha YZ250F weigh?
The 2014 Yamaha YZ250F weighs 103 kg. This is the manufacturer's wet figure.
What is the fuel tank capacity of the 2014 Yamaha YZ250F?
The 2014 Yamaha YZ250F has a 6.06-litre fuel tank.
Is the 2014 Yamaha YZ250F suitable for shorter riders?
The 2014 Yamaha YZ250F has a seat height of 991 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2014 Yamaha YZ250F have?
The 2014 Yamaha YZ250F uses Single disc. Hydraulic disc. Hydraulic disc. at the front and Single disc at the rear.
What tyre sizes does the 2014 Yamaha YZ250F use?
The 2014 Yamaha YZ250F runs 100/80-10 front and 130/60-13 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
Yamaha YZ250F Spec Evolution
The Yamaha YZ250F was produced across 21 model years (2002-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2002 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
2020 |
2021 |
2022 |
2023 |
| Wet Weight |
- |
- |
- |
- |
- |
- |
102.5 kg / 226.0 lbs |
102.0 kg / 224.8 lbs |
102.0 kg / 224.8 lbs |
103.0 kg / 227.0 lbs |
103.0 kg / 227.0 lbs |
103.0 kg / 227.0 lbs |
104.8 kg / 231.0 lbs |
104.8 kg / 231.0 lbs |
105.0 kg / 231.5 lbs |
104.8 kg / 231.0 lbs |
106.1 kg / 234.0 lbs |
106.1 kg / 234.0 lbs |
106.1 kg / 234.0 lbs |
106.1 kg / 234.0 lbs |
106.1 kg / 234.0 lbs |
| Dry Weight |
96.5 kg / 212.7 lbs |
97 kg / 213.8 lbs |
- |
93.5 kg / 206.1 lbs |
92.7 kg / 204.4 lbs |
92.5 kg / 204.0 lbs |
- |
- |
- |
- |
210.5 kg / 464.1 lbs |
59 kg / 130.1 lbs |
- |
- |
- |
- |
- |
- |
- |
- |
- |
| Engine Detail |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Titanium valves |
- |
Titanium-valves |
Titanium-valves |
Titanium-valves |
Titanium-valves |
Titanium-valves |
Titanium-valves |
Titanium-valves |
Titanium-valves |
- |
- |
| Engine Type |
Single cylinder |
Single cylinder |
Single cylinder |
V2 |
Single cylinder |
Single cylinder |
Single cylinder |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
| Seat Height |
998 mm / 39.3 in. |
995 mm / 39.2 in. |
991 mm / 39.0 in. |
994 mm / 39.1 in. |
983 mm / 38.7 in. |
986 mm / 38.8 in. |
986 mm / 38.8 in. |
988 mm / 38.9 in. |
988 mm / 38.9 in. |
991 mm / 39.0 in. |
991 mm / 39.0 in. |
991 mm / 39.0 in. |
965 mm / 38.0 in. |
965 mm / 38.0 in. |
965 mm / 38.0 in. |
965 mm / 38.0 in. |
965 mm / 38.0 in. |
965 mm / 38.0 in. |
970 mm / 38.2 in. |
970 mm / 38.2 in. |
970 mm / 38.2 in. |
| Fuel Capacity |
- |
- |
6.81 litres / 1.80 gallons |
7.00 litres / 1.85 gallons |
6.81 litres / 1.80 gallons |
6.81 litres / 1.80 gallons |
6.81 litres / 1.80 gallons |
6.43 litres / 1.70 gallons |
6.43 litres / 1.70 gallons |
6.06 litres / 1.60 gallons |
6.06 litres / 1.60 gallons |
6.06 litres / 1.60 gallons |
6.06 litres / 1.60 gallons |
6.06 litres / 1.60 gallons |
7.50 litres / 1.98 gallons |
7.50 litres / 1.98 gallons |
6.06 litres / 1.60 US gallons |
6.06 litres / 1.60 US gallons |
6.06 litres / 1.60 US gallons |
6.06 litres / 1.60 US gallons |
6.06 litres / 1.60 US gallons |
| Oil Capacity (l) |
- |
- |
- |
- |
- |
- |
- |
- |
1.20 litres |
- |
- |
- |
- |
- |
0.90 litres |
0.90 litres |
0.90 litres |
0.90 litres |
0.90 litres |
0.90 litres |
0.90 litres |
| Oil Capacity (Quarts) |
- |
- |
- |
- |
- |
- |
- |
- |
0.08 quarts |
- |
- |
- |
- |
- |
0.06 quarts |
0.06 quarts |
0.95 US quarts |
0.95 US quarts |
0.95 US quarts |
0.95 US quarts |
0.95 US quarts |
Key Specifications
Engine
Single cylinder, four-stroke
Top Speed
120.0 km/h / 74.6 mph
Weight
103.0 kg / 227.0 lbs
Fuel Capacity
6.06 litres / 1.60 gallons
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Full 2014 Yamaha YZ250F Specifications
Comments
4500 Ah Lithium Polymer battery. Range 75km. XOR is an abbreviation of Xtraordinary Object on Road. Foldable bike. French brand.
Colours
Team Yamaha Blue/White, White/Red
Warranty
30 Day (Limited Factory Warranty)
Storage
Boot for integral helmet
Ground Clearance (mm)
378 mm
Ground Clearance (in.)
14.9 inches
Seat Height
991 mm / 39.0 in.
Wheelbase
1,476 mm / 58.1 in.
Height
1,306 mm / 51.4 in.
Length
2,169 mm / 85.4 in.
Width
826 mm / 32.5 in.
Dry Weight
59 kg / 130.1 lbs
Fuel Capacity
6.06 litres / 1.60 gallons
Wet Weight
103.0 kg / 227.0 lbs
Fuel Control
DOHC
Engine Type
Single cylinder, four-stroke
Displacement (ci)
15.26 cubic inches
Displacement (cc)
250.00 cc
Bore x Stroke (in,)
3.0 x 2.1 inches
Bore x Stroke (mm)
77.0 x 53.6 mm
Engine Detail
Titanium-valves
Fuel System
Carburettor. Keihin FCR MX39
Compression Ratio
13.5:1
Emissions
No direct emission
Ignition
CDI
Starter
Electric
Valve System
4
Clutch
No clutch
Final Drive
Chain
Gearbox
5-speed
Frame Type
Aluminum Bilateral Beam frame
Suspension - Front
KYB Speed-Sensitive System, inverted fork: fully adjustable, 11.8-in travel
Suspension - Rear
KYB Fully adjustable single shock
Rake
28.0°
Seat
2 people seat
Wheel Travel - Rear
318 mm / 12.5 in.
Instrumentation
Digital
Lighting system
LED lights
Brakes - Front Diameter (mm)
250 mm
Brakes - Rear Diameter (in.)
9.6 inches
Brakes - Rear Diameter (mm)
245 mm
Brakes - Front Diameter (in.)
9.8 inches
Brakes - Front
Single disc. Hydraulic disc. Hydraulic disc.
Brakes - Rear
Single disc
Tyres - Front
100/80-10
Tyres - Rear
130/60-13
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