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2015 Yamaha YZ250F Overview
The 2015 Yamaha YZ250F is a cross / motocross motorcycle. Under the tank sits a Single cylinder, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 13.5:1. The bore and stroke measures 77 x 53.6 mm. From a practical standpoint, the 2015 YZ250F tips the scales at 104.8 kg, carries a 6.06-litre fuel tank, offers a seat height of 965 mm and spans a 1,476 mm wheelbase. Scroll down for the complete 2015 Yamaha YZ250F spec sheet covering every technical detail from suspension travel to tyre sizes.
2015 YZ250F - Pros & Cons
Strengths
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🔧
Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
Considerations
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📏
Tall seat height: The 965 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
Throttle response and fuelling
The fuel injection on the 2015 Yamaha YZ250F is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.
Valve clearance checks
Double Overhead Cams/Twin Cam (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 2015 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.
Fuel system care
The YZ250F's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
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.
2015 Yamaha YZ250F - Frequently Asked Questions
What engine does the 2015 Yamaha YZ250F have?
The 2015 Yamaha YZ250F is powered by a Single cylinder, four-stroke engine.
How much does the 2015 Yamaha YZ250F weigh?
The 2015 Yamaha YZ250F weighs 104.8 kg. This is the manufacturer's wet figure.
What is the fuel tank capacity of the 2015 Yamaha YZ250F?
The 2015 Yamaha YZ250F has a 6.06-litre fuel tank.
Is the 2015 Yamaha YZ250F suitable for shorter riders?
The 2015 Yamaha YZ250F has a seat height of 965 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 2015 Yamaha YZ250F have?
The 2015 Yamaha YZ250F uses Single disc. Hydraulic. at the front and Single disc. Hydraulic. at the rear.
What tyre sizes does the 2015 Yamaha YZ250F use?
The 2015 Yamaha YZ250F runs 80/100-21 front and 100/90-19 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What fuel system does the 2015 Yamaha YZ250F use?
The 2015 Yamaha YZ250F uses Injection. Yamaha Fuel Injection (YFI), Keihin 44mm, providing precise fuelling across the rev range and reliable cold-start behaviour.
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
Weight
104.8 kg / 231.0 lbs
Fuel Capacity
6.06 litres / 1.60 gallons
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Full 2015 Yamaha YZ250F Specifications
Colours
Team Yamaha Blue/White, White/Red
Warranty
30 Day Limited Factory Warranty
Ground Clearance (in.)
12.8 inches
Ground Clearance (mm)
325 mm
Seat Height
965 mm / 38.0 in.
Wheelbase
1,476 mm / 58.1 in.
Height
1,280 mm / 50.4 in.
Length
2,164 mm / 85.2 in.
Width
826 mm / 32.5 in.
Fuel Capacity
6.06 litres / 1.60 gallons
Wet Weight
104.8 kg / 231.0 lbs
Bore x Stroke (in,)
3.0 x 2.1 inches
Bore x Stroke (mm)
77.0 x 53.6 mm
Engine Type
Single cylinder, four-stroke
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
Engine Detail
Titanium-valves
Fuel System
Injection. Yamaha Fuel Injection (YFI), Keihin 44mm
Compression Ratio
13.5:1
Ignition
TCI: Transistor Controlled Ignition
Starter
Electric
Valve System
4
Final Drive
Chain
Gearbox
5-speed
Frame Type
Aluminum Bilateral Beam frame
Suspension - Front
KYB Speed-Sensitive System, inverted fork: fully adjustable
Suspension - Rear
KYB Fully adjustable single shock
Rake
28.0°
Wheel Travel - Front
310 mm / 12.2 in.
Wheel Travel - Rear
315 mm / 12.4 in.
Brakes - Front Diameter (in.)
9.8 inches
Brakes - Front Diameter (mm)
250 mm
Brakes - Rear Diameter (in.)
9.6 inches
Brakes - Rear Diameter (mm)
245 mm
Brakes - Front
Single disc. Hydraulic.
Brakes - Rear
Single disc. Hydraulic.
Tyres - Front
80/100-21
Tyres - Rear
100/90-19
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