2020 Yamaha YZ250X Specifications

Name: 2020 Yamaha YZ250X
Brand: Yamaha

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2020 Yamaha YZ250X Overview

The 2020 Yamaha YZ250X is an enduro / off-road motorcycle built around 249 cc of displacement. Under the tank sits a Single cylinder, two-stroke engine, a compression ratio of 9.4:1. The bore and stroke measures 66 x 72 mm. From a practical standpoint, the 2020 YZ250X tips the scales at 103.9 kg, carries a 7.95-litre fuel tank, offers a seat height of 970 mm and spans a 1486 mm wheelbase. Scroll down for the complete 2020 Yamaha YZ250X spec sheet covering every technical detail from suspension travel to tyre sizes.

2020 YZ250X - 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 970 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 2020 Yamaha YZ250X 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.

YZ250X - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2020 Yamaha YZ250X, 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 YZ250X 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 YZ250X. 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 YZ250X'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.

2020 Yamaha YZ250X - Frequently Asked Questions

What engine does the 2020 Yamaha YZ250X have?

The 2020 Yamaha YZ250X uses a Single cylinder, two-stroke engine with 249 cc of displacement.

How much does the 2020 Yamaha YZ250X weigh?

The 2020 Yamaha YZ250X weighs 103.9 kg. This is the manufacturer's wet figure.

What is the fuel tank capacity of the 2020 Yamaha YZ250X?

The 2020 Yamaha YZ250X has a 7.95-litre fuel tank.

Is the 2020 Yamaha YZ250X suitable for shorter riders?

The 2020 Yamaha YZ250X has a seat height of 970 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 2020 Yamaha YZ250X have?

The 2020 Yamaha YZ250X uses Single disc. Hydraulic. at the front and Single disc. Hydraulic. at the rear.

What tyre sizes does the 2020 Yamaha YZ250X use?

The front tyre size on the 2020 Yamaha YZ250X is 90/90-21.

What fuel system does the 2020 Yamaha YZ250X use?

The 2020 Yamaha YZ250X uses Injection. Keihin® PWK38S, providing precise fuelling across the rev range and reliable cold-start behaviour.

Yamaha YZ250X Spec Evolution

The Yamaha YZ250X was produced across 8 model years (2016-2023). 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	2016	2017	2018	2019	2020	2021	2022	2023
Wet Weight	103.9 kg / 229.0 lbs	103.9 kg / 229.0 lbs	229.0 kg / 504.9 lbs	103.9 kg / 229.0 lbs	103.9 kg / 229.0 lbs	103.9 kg / 229.0 lbs	103.9 kg / 229.0 lbs	103.9 kg / 229.0 lbs
Seat Height	970 mm / 38.2 in.	970 mm / 38.2 in.	970 mm / 38.2 in.	970 mm / 38.2 in.	970 mm / 38.2 in.	970 mm / 38.2 in.	970 mm / 38.2 in.	975 mm / 38.4 in.
Fuel Capacity	7.57 litres / 2.00 gallons	7.57 litres / 2.00 gallons	7.57 litres / 2.00 gallons	7.95 litres / 2.10 US gallons	7.95 litres / 2.10 US gallons	7.95 litres / 2.10 US gallons	7.95 litres / 2.10 US gallons	6.81 litres / 1.80 US gallons
Ground Clearance (mm)	325 mm	325 mm	325 mm	361 mm	361 mm	361 mm	361 mm	361 mm
Ground Clearance (in.)	12.8 inches	12.8 inches	12.8 inches	14.2 inches	14.2 inches	14.2 inches	14.2 inches	14.2 inches
Bore x Stroke (mm)	66.4 x 72.0 mm	66.4 x 72.0 mm	66.4 x 72.0 mm	66.4 x 72.0 mm	66.0 x 72.0 mm	66.4 x 72.0 mm	66.4 x 72.0 mm	66.4 x 72.0 mm
Brakes - Front Diameter (mm)	250 mm	270 mm	270 mm	-	-	-	-	-
Brakes - Front Diameter (in.)	9.8 inches	10.6 inches	10.6 inches	-	-	-	-	-