2020 Yamaha WR250R (Learner Approved)

Much more than just another trail bike, WR250R is distilled from Yamaha's world-dominating off-road know-how with emphasis on rugged reliability.

This small capacity machine makes for a superb lightweight adventure tourer, fully capable of tackling a desert crossing and not just the cut and thrust of the weekday commute.

Equipped with lightweight titanium inlet valves, the liquid-cooled, 4-stroke, DOHC, 4-valve, single-cylinder engine pushes hard all the way to 10,000 rpm, making this one of the strongest 250 singles ever built by Yamaha.


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Low maintenance 250cc

Low maintenance interval 250cc liquid-cooled, DOHC four-stroke 4-valve engine with fuel injection deliver instant throttle response and remarkably strong performance right through the rev range to its maximum power output at 10,000 rpm.

Titanium valves

Large diameter titanium intake valves and high lift cams with excellent follow and lift characteristics allow high rpm levels. Downdraft-type straight air intake layout combined with fuel injection and pent roof combustion chamber result in a quick ignition flame spread.

Class leading fuel injection

In order to achieve class-leading throttle response together with fuel economy and environmental responsibility, the WR250R is equipped with a fuel injection system. Sensors monitor crank, intake air pressure and throttle position allowing it to calculate the engine’s optimum fuel volume, intake air volume and injection timing.

6-speed transmission

The WR250R’s 6-speed transmission has been specially developed to optimise the power characteristics of the new high-compression short-stroke engine. The ratios have been carefully selected to deliver impressive performance and strong driveability in a wide variety of situations, from city streets through to twisty trails and fast dirt tracks.

Aluminium frame

This advanced semi-double cradle frame has been developed using a great deal of the technology featured on our race-winning YZ250F motocross bike and the WR250F enduro machine, and consists of a cast aluminium/forged aluminium main frame, steel down tube and steel subframe, creating an extremely light yet strong chassis.


  • Engine
  • Chassis
  • Dimensions
Engine Type Liquid-cooled, 4-stroke, DOHC, 4-valve, single cylinder
Displacement (cc) 250.0
Bore x Stroke (mm) 77.0 x 53.6
Compression Ratio 11.8 : 1
Lubrication System Wet sump
Fuel Management Fuel injection
Ignition TCI
Starter System Electric
Fuel Tank Capacity (L) 7.6
Final Transmission Chain
Transmission Constant mesh 6-speed
Frame Type Semi double cradle
Suspension Front Telescopic forks, 270mm travel
Suspension Rear Swingarm (link suspension), 270mm travel
Brakes Front Hydraulic single disc, 250mm
Brakes Rear Hydraulic single disc, 230mm
Tyres Front 80/100-21M/C 51P Tube type
Tyres Rear 120/80-18M/C 62P Tube type
Length (mm) 2180
Width (mm) 810
Height (mm) 1230
Seat Height (mm) 930
Wheelbase (mm) 1420
Ground Clearance (mm) 300
Wet Weight (kg) 134