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2010 Yamaha WR250R

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2010 Yamaha WR250R
2010 Yamaha WR250R

2010 Yamaha WR250R
2010 Yamaha WR250R

2010 Yamaha WR250R
2010 Yamaha WR250R

2010 Yamaha WR250R
2010 Yamaha WR250R

– 2010 Yamaha WR250R

2010 Yamaha WR250R

Descended from YZ and WR, the WR250R offers trail or street performance.

You are looking at the next generation of high performance dual sport machines. Inspired by our legendary WR series, the 2010 Yamaha WR250R is a machine that offers incredible performance on the road and off. Discover for yourself just how the 250cc of fuel injected power can push the limits of performance. This revolutionary 2010 WR250R is ready to tame the twistest road or the toughest trail – with power, handling and style.

When the road ends, it’s just getting started.

The 2010 Yamaha WR250R draws upon over 50 years of Yamaha experience, on pavement and off, to bring you a bike that’ll take you practically anywhere – one hundred percent legally. More power than you might expect flows from its high-tech fuel injected DOHC engine while a hybrid aluminum frame keeps you in complete command. Pavement optional.

Yamaha has re-invented the 250cc dual sport class.

Don’t let “only” 250cc fool you. The WR250R with its fuel injected, 4-valve, liquid-cooled powerplant is ready to shatter the 250 stereotype. From titanium intake valves to its aluminium frame and swingarm, this WR is a highly concentrated dual sport weapon. Whether commuting through city traffic or blazing down your favourite trail, this WR’s is ready to provide uncompromised performance.




Fuel Consumption * 30kpl/85mpg(Imp)

250cc, fuel injected engine

Lightweight aluminum frame & swingarm




Features andBenefits (USA):

Key Features:

” Directly descended from our YZ motocrossers and WR off-road machines-even the original Yamaha YA-1 of 1955-the WR250R is here to make Yamaha’s off-road prowess street accessible.

” Not exactly an enduro model and not a streetbike either, the WR250R is for riders who ride off-road more than on. Its sibling, the supermoto-inspired WR250X, is for riders who spend more time on pavement.



” 250cc liquid-cooled, DOHC engine with two titanium intake valves and two steel exhausts, forged piston and plated cylinder for outstanding durability.

” Pentroof combustion chamber with downdraft-type straight intake helps make excellent power across the rev band, with maximum power at 10,000 rpm.

” First use of fuel injection on a 250 Yamaha on/off-road bike. The system relies on input from a crank sensor, intake air pressure sensor and throttle position sensor feeding a compact ECU to provide optimum combustion.

” An ECU-controlled EXUP® exhaust valve, along with an electronic intake control valve, broadens the powerband.

” High lift cams have WPC surface treatment in which the surface is sprayed with fine powder at over 100 meters per second to increase surface hardness.

” Three-axis engine layout keeps the engine compact. Wet sump tucks between frame rails to keep the engine height down.

” Rare earth-type ACM alternator keeps the weight down while providing all the current needed to run the FI and lighting systems.

” Direct ignition coil sits atop the spark plug-another first on a Yamaha on/off-road model.

” Six-speed gearbox provides a wide spread of ratios, with shower-type lubrication for reliability. A special light-action clutch makes shifting a snap.

” Tucked-in, three-chamber muffler helps keep mass centralized and the bike quiet.

” Electric start only: Leaving off the kickstarter keeps it light and simple.



” YZ/WR250-inspired semi-double-cradle frame uses a main frame of cast and forged aluminum sections, with high-strength steel downtubes for excellent strength and rigidity characteristics.

” Asymmetrical swingarm provides excellent strength/rigidity balance and a dynamic look. Cast aluminum crossmembers, extruded arms and a 22mm rear axle are carefully tuned for optimum handling.

” Fully adjustable 46mm fork provides 10.6 inches of wheel travel. A forged lower triple clamp and a cast upper one help give outstanding front-end feel. An aluminum steering stem reduces weight.

” Linkage-mounted rear shock provides 10.6 inches of travel with adjusters for compression damping, rebound damping and spring preload-and features a 14mm rod and 46mm cylinder for excellent damping and fade resistance.

” Wave brake rotors front and rear, including a large 250mm front disc, reduce unsprung weight and provide excellent performance. Rear pedal is forged aluminum.


Additional Features:

” A slim, steel fuel tank is shaped with knee grip in mind, and the entire ergonomic layout is designed to make the rider feel like part of the bike.

” Narrow, YZ-inspired seat features gripper-type cover for great seat-of-the-pants feel. Seat height is 36.6 inches.

” WR enduro-style instrument panel provides excellent visibility in spite of the compact size. Basic mode provides speed, clock, tripmeter and self-diagnostic function. Measurement mode includes stopwatch, distance-compensating tripmeter, etc.

” Minimalist front and rear fenders are designed for function, simplicity and lightness.

” Bodywork with separate radiator heat outlet helps keep engine and rider cool.

” Lightweight headlight and LED taillight maximize visibility and draw less current.

” Adjustable front brake lever.




Features and Benefits (Canada)


” Potent, liquid-cooled, 250cc, DOHC, 4-valve, DOHC, 4-stroke powerplant with super light titanium intake valves and electronic fuel injection.

” Super convenient electric starting means fast, sure starts.

” Hassle free automatic decompression system ensures fast restarts in any gear.

” Lightweight magnesium cylinder head cover helps reduce weight.

” Double overhead cam, 4-valve combustion chamber features a compact “pent-roof” design for maximum breathing efficiency.

” Downdraft -type straight design intake port provides the most efficient intake flow for maximum engine performance.

” Intake side, lightweight titanium valves and load-reduced springs decrease weight by more than 40% (Vs steel valves). Titanium valves reduce reciprocating mass for faster-revving, plus reduced frictional losses for smoother-hitting power delivery across the rev range. Intake valves are 30mm in diameter, while the steel exhaust valves are 24.5mm in diameter.

” Steep valve angles, 11.5 degrees on the intake side and 12.5 degrees on the exhaust produce a more compact combustion chamber.

” Dual electrode NGK CR9EK spark plug is located in the centre of the combustion chamber for fast, controlled combustion and great throttle response.

” Ceramic composite cylinder provides excellent heat dissipation for consistent power delivery, reduced oil consumption, reduced friction for increased power and reduced weight.

” Special cylinder design features cutaways that allow the air “trapped” under the piston to enter a side chamber (or cutaway) to reduce horsepower-robbing “pumping losses.”

” Special design crankcases also utilize cutaways to reduce “pumping losses.” The crankcase cutaways match the cutaways in the cylinder to reduce ‘pumping losses.

” The crankcases feature a “tri-axis” design for the crankshaft, main and drive axles. This tri-axis design keeps the crankcases more compact while also centralizing mass for better handling. All of the shafts are positioned low in the cases to maintain a low centre of gravity for great handling and maneuverability.

” Lightweight, high strength, short-skirt, forged aluminum piston provides great durability and its lightweight design means fast engine response.

” Lightweight roller bearing style crankshaft with optimized mass delivers excellent response and strong acceleration.

” Single balancer shaft reduces vibration for improved rider comfort and reduced rider fatigue. This bike can cruise at highway speeds comfortably.

” Special design high performance camshafts (intake & exhaust) provide outstanding class leading power. The cams feature a WPC (Wonder Process Craft) treatment that increases surface hardness for great durability and reduced sliding resistance.

” Wet sump lubrication system is used. This system reduces weight and the number of moving parts versus a dry sump system. Piston oil cooler nozzle is used to maintain consistent piston temperatures for durability.

” Oil volume in engine has been optimized to reduce weight and oil “drag” related power losses.

” Easy access paper-type oil filter is used.

” Compact design hydraulic automatic cam chain tensioner reduces maintenance and mechanical engine noise.

” 38mm, Mikuni electronic throttle body type fuel injection system is used (38EIS). This system is a return-less FI system with TPS (throttle position sensor). This system provides excellent throttle response, great fuel economy, reduced emissions and a choke-free design. Throttle response and acceleration are excellent.

” Long nozzle type 12 hole injector is used and provides a dual spray pattern for best in class performance.

” Easy to service 4.1 liter airbox with a new intake control valve provides state of the art intake and emission control. The foam air filter is a washable design

” Compact 16 bit ECU features 3D ignition mapping to accommodate the engine power characteristics. The ECU provides optimal timing at all rpms for fast engine response.

” Lightweight direct ignition coil is integrated into the plug cap to reduce weight and complexity

” Wide ratio 6-speed transmission features gear ratios designed for both on and off road riding. This transmission adopts a “shower type” lubrication system for great reliability.

” Heavy-duty clutch matches engine output and offers a light, progressive clutch feel with less lever effort for smoother shifting.

” Quick-access, lightweight aluminum outer clutch cover allows fast, easy access to the clutch.

” Single, 9.5KW rad is used. The “exhaust air” (after it has passed through the rad) is directed away from the rider for excellent rider comfort. An electric cooling fan maintains consistent engine temperatures even in stop and go traffic. The single rad is located on the left side of the fuel tank.

” Lightweight, compact “rare-earth-type” ACM (Alternative Current Magnet … 14V & 350W output ) is used.

” Lightweight exhaust system features a stainless steel header pipe and a compact 3-stage expansion type upswept muffler with a honeycomb catalytic converter to reduce exhaust emissions. This system maximizes engine power and allows hassle-free replacement of the oil filter. It features a cleanable screen-type spark arrestor. Heat shields protect rider and passenger.

” The exhaust system also features Yamaha’s EXUP System (Exhaust Ultimate Power Valve). The single butterfly valve prevents the “blow back” phenomenon caused by “valve overlap”. The EXUP system eliminates “flat spots” in the power band and reduces emissions too.

” Solenoid activated AIS (Air Induction System) reduces harmful exhaust emissions like carbon dioxide and hydro carbons.


” Lightweight, compact aluminum semi-double-cradle frame features a variety of components. The main frame is cast aluminum, while forged aluminum is used under the main frame below the steering head area and separate detachable down tubes are thin walled high tensile steel. Yamaha has maintained the semi double cradle design to allow for “controlled flex” to optimize suspension action. This frame design provides a low centre of gravity for a light feel and razor sharp handling, plus less rider fatigue, and excellent stability.

” Detachable high tensile steel rear sub frame is constructed of round steel pipe. The detachable design provides easy rear suspension access and reduces costs in the event of loop out. .

” Lightweight, tapered, aluminum swingarm features a mix of extruded, cast and forged parts. The main arms are extruded while the cross member at the front is cast and the rear portion at the chain adjusters are forged. This unique rear arm provides the best rigidity-strength balance plus a dynamic look too. The suspension links are located below the arm to maintain a low center of gravity for razor sharp handling.

” 46mm, adjustable inverted, Kayaba cartridge fork provide excellent suspension performance. Front wheel travel is 270mm (10.6″). Front fork adjustments include: 20-way compression damping and 19-way rebound damping.

” Cast aluminum upper triple clamp and forged aluminum lower triple clamp reduces weight and provides excellent strength. The steering stem is light weight aluminum. The fork features a 25mm offset and a 28mm axle offset for great stability and neutral steering characteristics.

” Competition YZ inspired “cantilever style” fork protectors wrap around the fork tubes for increased protection against dirt, mud and stone chips. These fork protectors are self-supporting to reduce friction for smoother fork operation.

” Monocross rear suspension system features a fully adjustable, SOQI piggy-back style shock. The damping rod is 14mm in diameter while the actual shock body is 46mm in diameter. Rear shock adjustments include: spring preload, 1clicks of compression damping and 22 clicks of rebound damping. Rear wheel travel is 270mm (10.6″).

” Link-type rear suspension provides a rising rate (progressive) suspension function. The linkage design is very similar to those used on the YZ/WR competition line-up.

” Stainless 250mm fully floating front disc brake with “wave style” rotor is squeezed by a twin piston Nissin caliper fitted with lightweight 27mm aluminum pistons. Nissin front master cylinder features an 11mm piston. Braking performance is excellent. Sintered metal pads are used

” Stainless 230mm rear disc utilizes a lightweight “wave style” rotor. The Nissin single piston caliper with 11mm piston and an integrated Nissin rear master cylinder (fluid reservoir is integrated into the top of the master cylinder to reduce weight) delivers strong, progressive stopping power with excellent control and feel. Sintered metal pads are used

” Rugged yet light aluminum DID 21″ (21 x 1.60) front and 18″ (18 x 2.15) rear rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance. Straight pull spokes are utilized.

” Competition WR series inspired lightweight, digital meter assembly. This compact meter features (basic) are: speedometer, odometer, dual tripmeters, and a clock plus FI system diagnostics in the basic mode. A stopwatch and distance-compensating tripmeter can be found in the “measurement or pace management mode”.

” Rugged “slim-line” bodywork is very similar to the competition WR counterparts. This “slim line” bodywork allows fast, easy rider movements and a lighter overall machine feel.

” Gripper seat cover is based on the competition YZ/WR style seat.

” Stylish slim design front halogen headlight offers 60/55 watts of lighting power.

” Slim design compact LED taillight is tucked out of the way to prevent damage

” Heavy duty one piece plastic (Polypropylene) engine guard helps to protect the engine and lower frame from damage.


” Premium Bridgestone dual sport tires offer good traction in the dirt and on the road.

” Slim design 7.6 liter steel fuel tank with built-in electic fuel pump.

” Low fuel warning light. The low fuel light will activate with 2.1 liters of fuel remaining.

” Serrated steel footpegs

” Serrated, aluminum rear brake lever.

” Steel shifter with folding shift lever tip

” Rugged, plastic rear caliper protector

” Steel handlebars with reinforcing cross bar

” Adjustable front brake lever

” Compact, Yuasa sealed, low-maintenance 6 amp hour battery is gel-filled type to prevent leaks in the event of a tip-over.

” Lightweight chain guide / support helps reduce chance of chain derailment. Also helps protect rear sprocket damage too.

” Heavy duty rubber swingarm protector

” Heavy duty “O” ring chain for durability

” Passenger footpegs

” Helmet lock

” Locking fuel cap and steering

” Convenient oil sight glass



2010 Yamaha WR250R – USA Specifications
MSRP* $6,390 (Team Yamaha Blue/White) Available from September 2009

Type 250cc liquid-cooled DOHC 4-stroke; 4 valves

Bore x Stroke 77.0 x 53.6mm

Compression Ratio 11.8:1

Fuel Delivery Fuel injection

Ignition Direct ignition coil

Transmission Constant-mesh 6-speed; multiplate wet clutch

Final Drive Chain

Suspension/Front Inverted fork; fully adjustable, 10.6-in travel

Suspension/Rear Single shock; fully adjustable, 10.6-in travel

Brakes/Front Hydraulic single-disc brake, 250mm

Brakes/Rear Hydraulic single-disc brake, 230mm

Tires/Front 80/100-21

Tires/Rear 120/80-18

Length 85.6 in

Width 31.9 in

Height 48.4 in

Seat Height 36.6 in

Wheelbase 55.9 in

Ground Clearance 11.8 in

Fuel Capacity 2.0 gal

Fuel Economy** 71 mpg

Wet Weight 298 lb (California model 297 lb)

Warranty 1 Year (Limited Factory Warranty)


2010 Yamaha WR250R – Canada Specifications
MSRP: $7,999 CDN

Engine 4-stroke, liquid-cooled, DOHC, 4-valve, single
Displacement 250 cc
Bore and Stroke 77 x 53.6 mm
Compression Ratio 11.8:1
Maximum Torque 2.5kg-m (17.7 ft-lb) @ 8,500 rpm
Fuel Delivery Mikuni 38mm throttle body F.I.
Estimated Fuel Consumption* 30kpl / 85mpg (Imp.)
Lubrication Wet sump
Ignition / Starting Digital TCI / Electric Start
Transmission 6-speed

Suspension (Front) Adjustable 46 mm inverted fork / 270 mm (10.6″) travel
Suspension (Rear) Fully adjustable Monocross / 270 mm (10.6″) travel
Brakes (Front) 250 mm floating disc
Brakes (Rear) 230 mm disc
Tires (Front) 80/100-21
Tires (Rear) 120/80-18

Length 2,175 mm (85.6″)
Width 810 mm (31.9″)
Height 1,230 mm (48.4″)
Wheelbase 1,420 mm (55.9″)
Ground Clearance 300 mm (11.8″)
Seat Height 930 mm (36.6″)
Fuel Capacity 7.6 litres (1.7 Imp. gal.)
Wet Weight 134 kg (294.8 lb)

Colour(s) Yamaha Blue

* Fuel economy estimates are based on US EPA exhaust emission certification data obtained by Yamaha and converted into Canadian measurements. Your actual mileage will vary depending on road condition, how you ride, maintain your vehicle, accessories, cargo and operator/passenger weight.

Specifications, appearance, and price of product are subject to change without notice.

* MSRP does not include freight, PDI (Pre Delivery Inspection), pre-rigging (boats), or taxes. Dealer may sell for less.

About Michael Le Pard 9815 Articles
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