Yamaha WR250F


The Yamaha WR250F was a single cylinder, four-stroke Enduro motorcycle produced by Yamaha between 1997 and 2019. It could reach a top speed of 71 mph (114 km/h). Max torque was 17.48 ft/lbs (23.7 Nm) @ 8000 RPM. Claimed horsepower was 30.04 HP (22.4 KW) @ 10000 RPM.

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Yamaha WR250F
Manufacturer
Also called WR250Z, WR 250Z, WR250F EnduroGP, WR250F, WR250R, WR250X, WR 250 F, WR 250
Production 2001 - 2019
Class Enduro
Predecessor Yamaha WR250
Engine
single cylinder, four-stroke
Bore / Stroke 77.0mm x 53.6mm
Compression ratio 13.5:1
Top Speed 71 mph (114 km/h)
Horsepower 30.04 HP (22.4 KW) @ 10000RPM
Torque 17.48 ft/lbs (23.7 Nm) @ 8000RPM
Ignition cdi
Spark Plug WR250F: NGK CR8E '01-08
WR250R / WR250X: NGK CR9EK
Battery YUASA YTZ7S
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: multiplate wet clutch
Final Drive Chain: 520X114
Front Sprocket 13T
Rear Sprocket 50T
Suspension Front: kyb® spring-type fork with speed sensitive damping; fully adjustable
Rear: kyb® single shock; fully adjustable
Brakes Front: single disc
Rear: single disc
Front Tire 80/100-21
Rear Tire 110/100-18
Wheelbase 57.72 inches (1466 mm)
Length 85.2 inches (2164 mm)
Width 32.52 inches (826 mm)
Height 50.39 inches (1280 mm)
Seat Height 37.99 inches (965 mm)
Weight 276.02 pounds (125.2 Kg) (dry), 117.0 kg (wet)
Oil Capacity 0.29 Gallon (1.10 Liters)
Oil Filter K&N KN-142
Recommended Oil Yamalube 10w-40
Fuel Capacity 1.98 Gallon (7.50 Liters)
Fuel Consumption 3.31 liters/100 km (30.2 km/l or 71.06 mpg)
Related Yamaha WR400
Yamaha WR450
Manuals Service Manual

EngineEdit

The engine was a liquid cooled single cylinder, four-stroke. A 77.0mm bore x 53.6mm stroke result in a displacement of just 250.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

DriveEdit

The bike has a 6-speed transmission. Power was moderated via the multiplate wet clutch.

ChassisEdit

It came with a 80/100-21 front tire and a 110/100-18 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a kyb® spring-type fork with speed sensitive damping; fully adjustable while the rear was equipped with a kyb® single shock; fully adjustable. The WR250F was fitted with a 1.98 Gallon (7.50 Liters) fuel tank. The bike weighed just 276.02 pounds (125.2 Kg). The wheelbase was 57.72 inches (1466 mm) long. The Yamaha WR250 is a motorcycle produced by Yamaha from 1990 to 1997.

2001Edit


2002Edit



2003 Yamaha WR250FEdit

 

2002 brings a heap of revisions for the WR250F machine, most of them shared with its bigger sibling. The most important updates include a new swingarm which is lighter but stronger, matching the new frame, now with better lateral rigidity and better resistance to flexing.

Suspensions have also been revised, with lighter components, such as new master cylinders and new calipers providing excellent stopping power with zero compromises. If quarter-liter off-road machines are your thing, then the 2002 WR250F is one of the elite choices, especially with the new revisions.


2004 Yamaha WR250FEdit

 

Less intimidating than the mighty WR450F beast, the 2003 WR250F is as swift and agile as a lightsaber. With surgical-precision handling and a high-revving 13,200 rpm engine, this machine is ready to blast along the muddy trails and climb the mountain, than take on some dunes after having sped through the grass fields.

2003 brings new calipers and pistons, a new front brake master, a new grippy seat cover, light alloy exhaust and electric starting as standard.


2006 Yamaha WR250FEdit

 

The 2005 WR250F is a quarter-liter off-road machine which can be seen battling for top positions in numerous competitions. A racing-class bike the WR250F comes with titanium valves, beefy 48mm forks, a narrow, aggressive seat and a special cylinder design to max out performance.

Yamaha adds a revised air intake system, smooth, progressive feel for the adjustable clutch, ample radiators and strong Excel rims, as well as Sun Star racing-class sprockets for dependable performance.


2007 Yamaha WR250FEdit

The 2007 MY WR250F carries on Yamaha's heritage: a bike with strong YZ-series spirit and enduro-friendly performance for weekend fun at the dirt track on along the moist forest trails or out in the open fields. A new engine was installed in the 2007 MY, also derived from the competition YZ one, with the revised cam shafts now offering a more useable low- and mid-range torque.

The all-new aluminum frame and suspensions also have a lot of YZ DNA, just like the new airbox and radiators. The brakes, seat and fuel tank are also new, being engineered in a more YZ, works way for increased performance and dependability.


2008 Yamaha WR250FEdit

The 2013 Yamaha WR250F is basically the tamed version of the acclaimed YZ250 dirt racing machine. It sports a lot of the technological features which have earned the YZ model so many accolades in championships around the world, but has been tuned down a bit for a more user-friendly character.

This bike sports the highly evolved 250cc hi-revving 5-titanium-valved engine of the sport series, offering a crisp and linear throttle response, suitable for a lot of surface types and many riding styles.

The YZ-inspired aluminum frame offers rigidity and a lightweight build for the bike, providing with excellent maneuverability during fast corners and on the tight wood paths, and the KYB adjustable suspension keeps traction to a max, depending on the setup.

And for the discerning rider, the 2013 WR250F also comes with a digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode—or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode.


2008 Yamaha WR250XEdit

The 2008 MY WR250X is the result of mixing YZ and WR DNA together. The fusion of the two yielded a true dual-sport bike for those who like to ride aggressively on paved roads, but who are also up for some dirt every now and then. This light quarter-liter bike boasts agility and easy maneuverability which will turn out to be a solid advantage on both the track and out in the city.

Brawny and slender, the 2008 MY WR250X will make streaking through slow o stuck traffic a breeze. Revised frame components save weight while keeping the bike exceptionally rigid, fro precise cornering, while adjustable Kayaba suspensions provide all the setups you might think of.


2008 Yamaha WR250REdit

How about a dual-sport bike with better off-road capabilities, yet still a great machine for everyday riding? The 2008 MY WR250R is the answer to all the problems, if a true dirt bike with road-legal characteristics is what you've been after. With a lot of the components derived from the racing programs, it's easy to figure out that the WR250R is not exactly a toy.

The engine was redesigned for this model year, with a better, more precise injection system for a crisper acceleration. The 6-speed manual transmission delivers the right power and torque for all scenarios, from trail attack and highway commuting, alike.


2009 Yamaha WR250REdit

The 2009 MY WR250R brings together dirt racing-inspired performance and craftsmanship with the convenience every rides require from a bike. The package is a mixture of YZ and WR genes, resulting in a dual-sport bike with consistent performance both on and off the road. The street-legal equipment makes it a great choice for an economical commuter and its all-new quarter-liter liquid-cooled engine packs plenty of punch for aggressive urban riding.

However, there's much fun beyond the point where the asphalt ends, as the WR250R's suspensions and lightweight sturdy frame offer excellent tracking and maneuverability when the going gets tough.


2010 Yamaha WR250REdit

The 2010 MY WR250R is a great exponent of the quarter-liter dual-sport class, a machine that's both economical, fun on both roads and trail, and which can compete for the ultimate urban bike title. There's nothing spectacular about the WR250R, but it's exactly the all-rounder character which makes it special.

Lightweight and exceptionally maneuverable on dirt and asphalt alike, the WR250R is fuel-injected for smoother power deployment, easier cold starts and better fuel efficiency. Add in a 6-speed gearbox and adjustable suspensions for even more two-wheeled enjoyment.


2010 Yamaha WR250XEdit

The 2010 MY Yamaha WR250X inherits the genes of the YZ motocross and the WR enduro machines, taking the best these two categories had to offer. This bike is the ideal machine for riders who enjoy mostly paved surfaces. It allows the fans of the WR250R to enjoy a bike with similar character, dimensions, weight and feel, but with a street-oriented design and enhanced grip.

The fuel-injection 250cc engine features a lot of electronic enhancements controlling the intake and exhaust, providing optimal combustion and a broader power range. This model comes with an electric starter only.

The WR-style enduro instrument dash provides a dual mode display: Basic mode provides speed, clock, tripmeter and self-diagnostic function, while the measurement mode includes stopwatch, distance-compensating tripmeter and more.


2011 Yamaha WR250FEdit

   

With an engine and components also derived from the bikes in the top-drawer YZ family, the 2011 MY WR250F is a great lightweight machine for those who value the freedom off-road offers. On single-track trails or out in the open fields, the WR250F will provide exceptional grunt for easily surmounting obstacles, while its slender profile allows easy passage even in the tightest of situations.

The aluminum frame accommodates a high-tech 249cc single with titanium valves, tweaked for a better response in the lower revs zone, while the throttle position sensor adds to the precision of the ride with crisp, sharp acceleration. Adjustable suspensions make sure you get the best traction and ground tracking wherever you may roam.


2011 Yamaha WR250REdit

The 2011 MY WR250R is a smart choice for those in search of an agile bike which would be great both in the urban traffic and on the wet wood trails, or in pretty much any other place far beyond the point where the asphalt stopped. This bike boasts a punchy 4-stroke 4-valve injected liquid-cooled single that's capable to surprise even the seasoned riders.

A true dual-sport machine, this bike is awesome for sub-urban commuting and city slicing, as it is light and sports precise acceleration, effortlessly streaking through slow traffic. At the same time, weekend outings in your favorite nature spots are a breeze for it, thanks to its generous suspensions and big, 21-18 inches wheels.


2011 Yamaha WR250XEdit

The 2011 MY Yamaha WR250X inherits the genes of the YZ motocross and the WR enduro machines, taking the best these two categories had to offer. This bike is the ideal machine for riders who enjoy mostly paved surfaces. It allows the fans of the WR250R to enjoy a bike with similar character, dimensions, weight and feel, but with a street-oriented design and enhanced grip.

The fuel-injection 250cc engine features a lot of electronic enhancements controlling the intake and exhaust, providing optimal combustion and a broader power range. This model comes with an electric starter only.

The WR-style enduro instrument dash provides a dual mode display: Basic mode provides speed, clock, trip meter and self-diagnostic function, while the measurement mode includes stopwatch, distance-compensating tripmeter and more.


2012 Yamaha WR250XEdit

Without being a dedicated enduro bike, the 2011 Yamaha WR250X is a dual-purpose machine aiming for the riders who do them both, but would rather drive off-road than on. The bike inherits the gens of the YZ motocross and the WR enduro machines, taking the best these two categories had to offer.

The fuel-injection 250cc engine features a lot of electronic enhancements controlling the intake and exhaust, providing optimal combustion and a broader power range. This model comes with an electric starter only.

The WR-style enduro instrument dash provides a dual mode display: Basic mode provides speed, clock, tripmeter and self-diagnostic function, while the measurement mode includes stopwatch, distance-compensating tripmeter and more.


2012 Yamaha WR250FEdit

The 2012 MY WR250F is a great option for those who want a bike that blends the maneuverability and endurance of the enduro machines with the high-performance and explosive power of the YZ family. Light and built like a tank, the WR250F can take a lot of abuse and tackle really rough terrain in the hands of the skilled rider who's not afraid to push his or her limits.

Convenient pushbutton starting, an YZ-derived aluminum frame, titanium valves, comprehensive dash instrumentation and plenty of character to challenge the most insane trails, the WR250F has them all.


2012 Yamaha WR250REdit

The 2012 MY WR250R is a bike fit for both the urban jungle and tackling the forest trails. Lightweight and slender, the WR250R streaks effortlessly through slow traffic and makes commuting fun. At the same time a wonderful recreational bike, the WR250R can easily do off-road, thanks to its long-travel suspensions, compliant wheels and excellent riding position.

The high-performance engine may seem small, but it was built using technologies employed in the racing program so you can expect quite a lot of fun surprises from it.


2013 Yamaha WR250FEdit

The YZ-inspired aluminum frame of the 2012 WR250F offers rigidity and a lightweight build for the bike, providing with excellent maneuverability during fast corners and on the tight wood paths, and the KY adjustable suspension keeps traction to a max, depending on the setup.

The 2012 Yamaha WR250F is basically the tamed version of the acclaimed YZ250 dirt racing machine. This bike sports the highly evolved 250cc hi-revving 5-titanium-valved engine of the sport series, offering a crisp and linear throttle response, suitable for a lot of surface types and many riding styles. It sports a lot of the technological features which have earned the YZ model so many accolades in championships around the world, but has been tuned down a bit for a more user-friendly character.

And for the discerning rider, the 2012 WR250F also comes with a digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode—or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode.


2013 Yamaha WR250REdit

Without being a dedicated enduro bike, the 2013 Yamaha WR250R is a dual-purpose machine aiming for the riders who do them both, but would rather drive off-road than on. The bike inherits the gens of the YZ motocross and the WR enduro machines, taking the best these two categories had to offer.

The fuel-injection 250cc engine features a lot of electronic enhancements controlling the intake and exhaust, providing optimal combustion and a broader power range. This model comes with an electric starter only.

The WR-style enduro instrument dash provides a dual mode display: Basic mode provides speed, clock, tripmeter and self-diagnostic function, while the measurement mode includes stopwatch, distance-compensating tripmeter and more.


2013 Yamaha WR250XEdit

The 2012 Yamaha WR250X is all about supermotard drifting aggression: a quarter-liter single engine which will rev up to 10,000 rpm to deliver massive top-end power and torque to carry you safely through the sliding corners once you've mastered the technique. Equally usable on the track and on the city asphalt, this machine is a great commuting solution and can be a great choice for both new and more experienced riders.

With good fuel efficiency and race-specced aluminum frame, USD forks and a lot to offer to the skilled drivers, the 2012 year model of the Yamaha WR250X is ready to take on the city traffic and track rivals.


2014 Yamaha WR250FEdit

A respected winner of many championships, the WR250F receives updates for the 2014 season. The 2013 Yamaha WR250F retains the brawn of the high-rev quarter-liter 5-valve engine is a great treat for pretty much anyone, no matter whether we're thinking about amateurs or pro racers, die-hard off-roaders or weekend fun trail lovers. With a lightweight aluminum chassis, this bike can go anywhere, from the deep grooves of the dirt track to the rocky river beds and dusty sand-filled roads.

A heavy-duty transmission and similar suspensions make sure the 2013 Yamaha WR250F will run hard and fast regardless of the terrain, helping the riders overcome obstacles and remain in the seat where guys riding other bike will have to push them.


2017 Yamaha WR250REdit

Directly descended from our YZ motocrossers and WR off-road machines, the WR250R is here to make Yamaha’s off-road prowess street accessible.


2018 Yamaha WR250FEdit

Revolutionary rearward slanted, liquid-cooled, DOHC 4-stroke power plant with 4 titanium valves based on the YZ250F, with an added sixth gear and wide ratio transmission, among other modifications, make it perfect for Enduro competition. For 2018, the WR250F receives a range of updates developed from the YZ250F and FX racing models, including new tires and revised suspension tuning, featuring a new fork seal wiper for durable sealing in the toughest conditions.


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