2015 Yamaha YZ250FX Specifications

Name: 2015 Yamaha YZ250FX
Brand: Yamaha

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2015 Yamaha YZ250FX Overview

The 2015 Yamaha YZ250FX is an enduro / off-road motorcycle. Under the tank sits a Single cylinder, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation. From a practical standpoint, the 2015 YZ250FX tips the scales at 112.9 kg, carries a 7.57-litre fuel tank, offers a seat height of 965 mm and spans a 1,466 mm wheelbase. Scroll down for the complete 2015 Yamaha YZ250FX spec sheet covering every technical detail from suspension travel to tyre sizes.

2015 YZ250FX - Pros & Cons

Strengths

Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.

Considerations

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 YZ250FX 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.

YZ250FX - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2015 Yamaha YZ250FX, 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 YZ250FX 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 YZ250FX. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. The sump holds 1.50 litres, so budget for that volume of quality motorcycle-specific engine oil. Always use the correct viscosity grade as specified in the owner's manual.

Fuel system care

The YZ250FX'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 YZ250FX. 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 YZ250FX - Frequently Asked Questions

What engine does the 2015 Yamaha YZ250FX have?

The 2015 Yamaha YZ250FX is powered by a Single cylinder, four-stroke engine.

How much does the 2015 Yamaha YZ250FX weigh?

The 2015 Yamaha YZ250FX weighs 112.9 kg. This is the manufacturer's wet figure.

What is the fuel tank capacity of the 2015 Yamaha YZ250FX?

The 2015 Yamaha YZ250FX has a 7.57-litre fuel tank.

Is the 2015 Yamaha YZ250FX suitable for shorter riders?

The 2015 Yamaha YZ250FX 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 YZ250FX have?

The 2015 Yamaha YZ250FX uses Single disc. Hydraulic. at the front and Single disc. Hydraulic. at the rear.

What tyre sizes does the 2015 Yamaha YZ250FX use?

The 2015 Yamaha YZ250FX runs 90/90-21 front and 110/100-18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

How much oil does the 2015 Yamaha YZ250FX take?

The 2015 Yamaha YZ250FX takes 1.50 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.

Yamaha YZ250FX Spec Evolution

The Yamaha YZ250FX was produced across 9 model years (2015-2023). 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	2015	2016	2017	2018	2019	2020	2021	2022	2023
Wet Weight	112.9 kg / 249.0 lbs	112.9 kg / 249.0 lbs	112.9 kg / 249.0 lbs	112.9 kg / 249.0 lbs	112.9 kg / 249.0 lbs	111.1 kg / 245.0 lbs	111.1 kg / 245.0 lbs	111.1 kg / 245.0 lbs	111.1 kg / 245.0 lbs
Seat Height	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.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.
Fuel Capacity	7.57 litres / 2.00 gallons	7.57 litres / 2.00 gallons	7.57 litres / 2.00 gallons	7.57 litres / 2.00 gallons	7.57 litres / 2.00 US gallons	8.33 litres / 2.20 US gallons	8.33 litres / 2.20 US gallons	8.33 litres / 2.20 US gallons	8.33 litres / 2.20 US gallons
Oil Capacity (Quarts)	0.10 quarts	0.10 quarts	0.10 quarts	0.10 quarts	1.59 US quarts	1.59 US quarts	1.59 US quarts	1.59 US quarts	1.59 US quarts
Mods from previous model	-	-	-	-	-	From fender to fender, the YZ250FX is all-new. New engine, improved electronics, new frame, revised suspension, a thinner and lower body, and more—this machine is ready to put riders on top of the podium.	-	Stronger mid- to high-range power. High-spec braking components.	Stronger mid- to high-range power. High-spec braking components.
Ground Clearance (mm)	325 mm	325 mm	325 mm	325 mm	325 mm	320 mm	320 mm	320 mm	320 mm
Ground Clearance (in.)	12.8 inches	12.8 inches	12.8 inches	12.8 inches	12.8 inches	12.6 inches	12.6 inches	12.6 inches	12.6 inches
Comments	-	-	New Cylinder Head and Intake System.	-	-	-	Power Tuner app	Power Tuner app.	Power Tuner app. Selectable Fuel Maps.

Key Specifications

Engine

Single cylinder, four-stroke

Power

N/A

Torque

N/A

Top Speed

N/A

Weight

112.9 kg / 249.0 lbs

Fuel Capacity

7.57 litres / 2.00 gallons

Full 2015 Yamaha YZ250FX Specifications

Colours Team Yamaha Blue/White

Warranty 30 Day Limited Factory Warranty

Engine Type Single cylinder, four-stroke

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Fuel System Injection

Starter Electric

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2015 Yamaha YZ250FX Specifications

2015 Yamaha YZ250FX Overview

2015 YZ250FX - Pros & Cons

Strengths

Considerations

Owner Experiences & Common Issues

Throttle response and fuelling

Valve clearance checks

YZ250FX - Buying & Maintenance Guide

What to check before buying

Oil and filter changes

Fuel system care

Valve clearance service

2015 Yamaha YZ250FX - Frequently Asked Questions

Yamaha YZ250FX Spec Evolution

Key Specifications

Full 2015 Yamaha YZ250FX Specifications

Compare Yamaha YZ250FX

YZ250FX Years

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Yamaha YZ250FX - other years