A reliable fuel efficient 4-stroke engine calls the shots on the 2010 Yamaha XT250. But reliability isn’t necessarily what you’ll be thinking of when the pavement ends and your adventure really begins. Whether commuting around town or exploring the back country, the Yamaha XT250 is a fun loving dual sport that is easy and fun to ride.

See the world, one trail or road at a time.

Long-travel suspension and more than 11.2 inches of ground clearance live under a seat only 31.9 inches from the ground on the 2010 XT250. You also get electric start, 245mm front disc and 203mm rear disc brakes for superior stopping power on both paved and unpaved surfaces.

Where does your riding take you ? Commuting in city traffic, winding down a country road or hustling your way down a trail to nowhere? For those who can’t decide, we have the perfect answer.

The XT250 is designed for ultimate versatility at a great price. A reliable 4-stroke engine revs out predictable power, while a wide-ratio 5-speed transmission and class-leading low seat height gives you both performance and ease of use. Whether riding in the city or at the camp, let the XT250 spice up your adventure.

Key Features
•  Long-travel suspension and more than 11.2 inches of ground clearance live under a seat only 31.9 inches from the ground.

•  Electric start makes firing up the 249cc four-stroke effortless.

•  245mm front disc and 203mm rear disc brakes combine to deliver superb stopping power on both paved and unpaved surfaces.

Engine
•  249cc air-cooled four-stroke with 9.5:1 compression makes maximum power at 7500 rpm and maximum torque at 6500 rpm for great on- and off-road performance.

•  A light-and-strong forged piston inside a plated cylinder helps dissipate heat more efficiently, increasing both performance and durability.

•  33mm vacuum-type carburetor keeps the airflow up for excellent performance and throttle response.

•  A light crankshaft helps provide quick responsive power.

•  Wide-ratio five-speed transmission for maximum power and performance in a wide range of terrain and conditions.

•  Straighter intake tract for improved performance.

•  Hassle-free pushbutton electric starting adds extra convenience and reliability.

•  Engine is mounted high in the frame to provide an incredible 11.2 inches of ground clearance.

•  Automatic cam chain tensioner means minimal maintenance and longer engine life.

Chassis/Suspension
•  A semi-double-cradle steel frame achieves a lighter, nimbler feel through greater mass centralization. Greater lateral and torsional rigidity and reduced weight of the lower frame parts help produce light, stable handling.

•  The front fork has 8.9 inches of travel to soak up the rough stuff, both on-road and off. An aluminum lower triple clamp keeps the weight down.

•  Maximum turning angle of the handlebar is 51 degrees—almost like a trials machine. Combined with a short wheelbase of only 53.5 inches, the XT250 has a super-tight turning radius for excellent maneuverability.

•  A rear shock provides 7.1 inches of wheel travel through a progressive, Monocross®-style linkage system for a smooth ride.

•  21-inch front and 18-inch rear aluminum wheels are extremely durable and reduce unsprung weight for enhanced suspension performance and handling.

•  245mm front disc and 203mm rear disc brakes combine to deliver superb stopping power on both paved and unpaved surfaces.

•  11.2 inches of ground clearance means you’ve got serious off-road capability, and a heavy-duty aluminum skid plate adds protection.

Additional Features
•  Multifunction digital LCD instrument panel with cool green background lighting is easily visible day or night. It also removes a lot of weight from the handlebar for light, precise handling.

•  The stylish gas tank holds a full 2.6 gallons (2.4 gallons CA) for long-range riding.

•  Long, thick seat creates a balanced riding position for optimal rider movement and comfort.

•  Durable and wide front fender is designed to keep mud and dirt off the rider when exploring off-road.

•  Frame-mounted passenger footpegs provide two-up riding capability.

•  Enduro-style, 60/55-watt halogen headlight features a cool 133mm lens for excellent visibility at night.

•  Flex-mounted turn indicators offer great durability against breakage.

•  Retractable brake and shift pedals deal with tough trail obstacles.

•  Durable fork boots help prevent rocks and debris from damaging fork sliders.

•  Standard dual rearview mirrors.

•  Easy-to-use choke lever.

•  Air-induction system helps clean up emissions, and a spark arrestor makes the XT trail ready.

•  Dependable, low-maintenance battery.

USA Specifications
2010 Yamaha XT250 – MSRP* $4,890 (White/Red) Available from September 2009

Engine
Type: 249cc air-cooled, SOHC 4-stroke single

Bore x Stroke: 74.0 x 58.0mm

Compression Ratio: 9.5:1

Fuel Delivery: 33mm Vac

Ignition: CDI

Transmission: 5-speed; multiple-disc wet clutch

Final Drive: Chain

Chassis
Suspension/Front: 35mm telescopic fork; 8.9-in travel

Suspension/Rear: Swingarm w/rebound-adjustable single shock; 7.1-in travel

Brakes/Front: 245mm disc

Brakes/Rear: 203mm disc

Tires/Front: 2.75-21

Tires/Rear: 120/80-18

Dimensions
Length: 84.6 in

Width: 31.7 in

Height: 45.7 in

Seat Height: 31.9 in

Wheelbase: 53.5 in

Ground Clearance: 11.2 in

Fuel Capacity: 2.6 gal (California model 2.4 gal)

Fuel Economy** 73 mpg

Wet Weight: 291 lb

Warranty: 1 Year (Limited Factory Warranty)

For discussion on the Yamaha xt250 or on Yamaha Motorcycles clink on link.

Introducing the new 2010 Yamaha YZ250F. The key development concept behind this awesome new machine is excellent cornering and handling performance. In other words, the new 2010 YZ250F “does exactly what the rider wants”.

The year was 2001 and Yamaha introduced the first modern 250cc 4-stroke motocrosser. We have taken the original concept of “Ultimate Quick Turn Performance” and elevated it to an entirely new level.

The all new Bilateral Beam aluminum frame centralizes mass for exceptional cornering and handling performance. The 250F is more compact than the pervious generation chassis for superior cornering. The optimized engine delivers a new level of power in the low-to-midrange, with a great torquey feel, exactly where riders want it. Mix in improvements to the intake and exhaust system, lighter valve train, new carburetor settings and you have a winning combination that will be hard to beat.

Key Features

•  The all-new, Bilateral Beam frame is specific to the 250 and is more compact than the previous generation chassis. This places the rider closer to the front wheel, which delivers superb rigidity balance for unmatched lightweight handling and cornering. This nimbleness lets the rider get on the gas sooner out of corners and cross the finish line with less fatigue – even on long motos.

•  The optimized engine delivers a new level of power in low-to-midrange, with a great torquey feel, exactly where riders want it. That is due to the new straight intake boot that enhances breathing, new carburetor that provides excellent throttle response and fuel atomization, and redesigned valve train components that reduce inertial mass and boost low end torque. Exhaust is also enhanced with a new D-shaped exhaust port and newly designed exhaust system. Ongoing refinement to the suspension and engine produces an amazingly balanced, light-handling machine with performance that’s accessible to all levels of riders.

•  All new styling emphasizes the bike’s light weight and nimble handling character. The sharp, horizontal lines set the bike apart, with a clean, aggressive look.
KYB® suspension has been recalibrated front and rear and is tuned to work with the new Bilateral Beam frame for unmatched handling. The clutch lever has a lighter pull feel even though the clutch has stronger engagement. The new clutch also has a wider engagement range that will give riders an advantage off the line. . . shift after shift, moto after moto.

•  There’s no disputing the YZ250F’s unmatched four-stroke prowess – it was the 1st four-stroke 250 motocross bike on the market, the 1st to win an international race, the 1st to win an AMA® Supercross ® and the 1st to take an AMA® U.S. Supercross Championship® title, as well as the first to win an AMA® National race.

Features and Benefits

•  For 2010 the YZ engineers have focused on optimizing the intake & exhaust systems, lightened the valve train, revised the carburetor settings and improved the ignition advance characteristics. These improvements result in improved low to mid power and a more rider friendly engine with a more linear power delivery for improved drivability and control.

•  New, liquid-cooled, 250cc, DOHC, 5-titanium valve, 4-stroke engine features a 13,500-rpm redline.

•  Short skirt forged piston reduces weight and vibration, plus offers excellent durability.

•  The 13.5:1 compression ratio provides fast, controlled combustion and excellent engine performance.

•  Optimized 5-valve (3-intake & 2-exhaust) combustion chamber design provides the most efficient intake and exhaust flow for maximum power.

•  Titanium valves decrease weight by more than 40% over a conventional steel valve train and reduce reciprocating mass for faster-revving.

•  All new aluminium valve retainers reduce inertial mass for faster throttle response

•  New “load reduced” valve springs reduce the amount of force required to open the valves and thereby minimizes power losses associated with friction and improves torque in the low and mid ranges.

•  Special chromium nitride coating on the tips of the intake valve stems reduces wear.

•  Exhaust port shape has been revised from a round to a “D” shape to optimize flow and improve performance and engine character

•  Revised intake cam profile further improves performance.

•  The lightweight “liner less” aluminium cylinder features a ceramic composite coating which insures faster, more uniform heat dissipation, reduced friction and a longer service life.

•  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.”

•  Revised lightweight engine crankcase also utilizes special cutaways to reduce “pumping losses.” The crankcase cutaways match the cutaways in the cylinder for maximum efficiency.

•  Relocated convenient oil sight glass window and oil drain plug.

•  Lightweight magnesium cylinder head cover.

•  Dry sump lubrication system uses a remote oil tank reservoir positioned in front of the engine. This revised oil tank is lighter and more compact for 2010 and features a partition in the centre of the tank that improves the air-oil separation function. This tank is positioned low in the chassis which centralizes mass and lowers the centre of gravity for exceptional handling and a light feeling.

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

•  Revised, 5-speed transmission features “involute splines” on the transmission axles to ensure smooth shifting and instant hook-up under power. The gear ratios for 3rd and 4th gears and the engagement dog shape have been changed to maximize the engine improvements. 3rd gear ratio = 26/18(1.444) while 4th gear ratio is 22/18(1.222).

•  Lightweight engine counterbalancer reduces vibration for improved rider comfort and less rider fatigue.

•  Revised multi-plate wet clutch features a revised clutch boss insert for improved wear, clutch spring load has been increased and the length of the push lever cam has been revised to change the lever ratio for an easier clutch lever pull and improved clutch feeling.

•  Lightweight, “quick-access” outer clutch cover provides fast, easy access for clutch maintenance.

•  Compact design automatic cam chain tensioner reduces maintenance and mechanical engine noise

•  Revised Keihin FCR-MX37 flat-slide carburetor with throttle position sensor (TPS). The carb settings have been revised to accentuate the improvements in the intake and exhaust systems. The cam for the accelerator pump has been optimized while the shape of the carburetor “throat” on the air box side has been modified for improved air flow.

•  The air box assembly has been revised for improved performance. The funnel shape at the air box “outlet” is optimized, while an all new straight design “boot” between the air box and the carb also improves air flow.

•  Washable, dual-stage, foam air filter.

•  No fuss auto decompression system means fast, easy starting. The YZ250F restarts in any gear.

•  Convenient, handlebar-mounted hot start lever ensures fast starts when the engine is hot.

•  Revised CD ignition system delivers a precise spark and monitors engine rpm to insure optimal timing for fast, strong response at all rpms. The ignition timing advance curve has been revised for improved performance.

•  Direct ignition system means the ignition coil is integrated into spark plug cap to reduce weight and complexity.

•  New compact, lightweight, single core, dual radiators provide outstanding cooling efficiency. The location of the rads has been lowered and moved rearward for improved performance and protection while also lowering the all important center of gravity and centralizing mass. The thickness of the cores has also been increased. For 2010, the revised rads mount to the new frame at 3 points.

•  Lightweight titanium exhaust header pipe reduces weight, improves performance and allows hassle-free replacement of the oil filter.

•  The lightweight exhaust system utilizes a 4-stage expansion format that improves the cylinder filling induced by the exhaust pulse effect, resulting in excellent power characteristics.

•  Revised rigid mount muffler assembly is 50mm longer than last year for improved performance and reduced noise levels. The size of the internal diffuser pipe and the noise reducing “punched hole pipe” have been modified to achieve optimum performance.

•  The muffler can be repacked to maintain peak performance and reduced noise. The lightweight aluminium / stainless steel muffler complies with current CMRC & AMA noise regulations for 2010.

•  Trick, oversized “barrel adjuster” on the clutch lever perch allows on-the-fly clutch adjustments.

Chassis/Suspension

•  All new, compact “bilateral beam” aluminium frame centralizes mass for exceptional handling and cornering ability. This 250cc class specifically designed frame consists of forged, extruded and panel aluminium parts. This all new frame is more compact than the last generation and offers significantly improved “rider – machine communication” (a.k.a. feedback). The key goal of this new chassis is faster and easier cornering … one of the keys to winning races.

•  The engineers started with a clean sheet of paper and designed the chassis based on the requirements of a 250cc motocrosser. Note: the YZ250F frame is unique unto itself.

•  The rigidity balance of this new frame has been optimized and features increased lateral and torsional rigidity compared to the last generation frame. It also contributes to a feeling of lightness, agility and traction.

•  The head pipe (steering head), wheelbase, caster and trail dimensions are optimized to accentuate the new engine and frame character. The benefit is incredible turning ability and quick, stable handling.

•  New removable rear sub frame is constructed of square-section, lightweight aluminium pipe. Its detachable design allows easy access when servicing rear suspension components.

•  Lightweight, tapered, aluminium swingarm is produced using “hydro forming”, a special method that uses high pressure water to form shapes. The swingarm design provides great overall chassis “balance” for precise cornering and a light handling feel.

•  Forged aluminium upper triple and lower triple clamps reduces weight and improve strength.

•  Pro Taper handlebars are one of the most sought after style of bars. The Pro Taper bars provide excellent strength and durability. Foam handlebar pad is included.

•  Handlebar position has been raised 5mm for 2010 to suit the new, more compact frame. The revised handlebar holders (with the upper triple clamp), offer a total of 4 different positions, and an adjustment range of 30mm, to better suit a wide variety of riders.

•  Revised 48mm, adjustable, inverted, Kayaba cartridge fork features a twin-chamber design. The twin chamber design means the damper unit is in a separate structure which prevents aerated fork oil from entering the inner damper assembly and degrading its damping abilities. Since the inner damper is pressurized, it also prevents air bubbles forming in the oil. Front fork adjustments include: 20-way compression damping and 20-way rebound damping.

•  Optional fork springs are available through Genuine Yamaha parts.

•  Fork damping settings have been revised for 2010. The shape of the outer fork tubes, the inner piston rod design, and the low friction fork oil seals are also revised. The engineers focused on the enhancing the ground holding capabilities of the front wheel, a key for precise cornering.

•  The 48mm inverted KYB fork also features a Transfer Control Valve (TCV) system. The TCV enhances the damping force of the inner damper from mid stroke to full stroke and improves bottoming characteristics. The benefit of TCV is more precise control throughout the full stroke. The TCV is located on the upside of the spring and its function is controlled by piston speed, not piston position … hence the term “Speed Sensitive fork”.

•  Front wheel travel is 300mm or 11.8″

•  Revised, large “wrap-around” plastic fork protectors provide excellent lower fork tube protection. The “self-supporting” design reduces friction for smoother fork operation.

•  Revised Monocross link rear suspension system features a fully adjustable Kayaba, piggyback shock which features separate adjusters for high- and low-speed compression damping. Adjustments include: spring preload, 20-way rebound damping, 20-way low-speed compression damping and 2 turns of high speed compression damping.

•  The shock spring location has been lowered 29mm to accommodate the new intake boot.

•  The shock uses an 18mm diameter piston rod. Kashima coating is used in the shock body and sub tank to reduce friction and improve suspension performance during a long moto. The Kayaba shock utilizes a full rebound oil lock system for excellent suspension function and great ride quality.

•  Rear wheel travel is 307mm (12.1″).

•  250mm floating front wave-style disc reduces weight and is squeezed by a Nissin twin piston caliper.

•  245mm rear disc brake features a lightweight “wave-style” disc and a single piston Nissin caliper.

•  Compact and lightweight rear master cylinder is an integrated design (fluid reservoir is integrated into the top of the master cylinder) for strong stopping power with excellent feel and control.

•  Newly designed rear pedal tucks in tighter to the engine / frame and reduces weight.

•  Newly designed, compact body work includes front number plate, front fender, rad shrouds, fuel tank, side panels and rear fender
which enhance the lightweight feel and look of the new YZ250F. This new “minimal ” bodywork is a flat design, allowing fast, easy rider movements. The ergonomics provide a natural and roomy riding position. The body has been designed to maintain it good looks throughout the life of the machine.

•  The lightweight, plastic resin 6.4 litre fuel tank compliments the chassis and has been moved closer to the rider for centralization of fuel tank mass and compactness.

•  Redesigned seat is unique to the 250F. The surface texture has been designed to give a grip when needed, yet still allow easy rider movements. The “gripper” style seat cover has been designed to resists clogging with dirt or mud to ensure long lasting good looks.

•  New lightweight Sun Star rear sprocket.

•  Lightweight, 21″ front and 19″ rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance and handling.

•  Rear wheel assembly uses a large 25mm diameter axle and a rear hub design which features a second bearing on the sprocket side for increased rigidity and durability.

•  Bridgestone knobby tires offer competition-spec traction and excellent wear. Front = M403 / rear = M404.

Details

•  All new rugged polypropylene engine and integrated water pump protector plate reduces weight.

•  “Shorty” adjustable front brake lever. Adjustment range is 5.5mm.

•  New heavy duty plastic rear caliper and lower rear disc protectors.

•  Large fuel cap and filler hole ensures easy opening and fast, hassle-free refuelling.

•  New lightweight, extra wide foot pegs are 5mm higher and provide excellent grip and improved rider comfort.

•  Lightweight header pipe heat shield.

•  Serrated rear brake pedal for extra grip.

•  Folding gear shifter tip.

•  Stainless steel inner clutch cable provides excellent strength and durability.

•  Lightweight chain guide / support helps reduce chance of chain derailment. It also helps protect rear sprocket from damage too.

•  Heavy duty rubber swingarm protector.

•  Heavy duty DID 520 drive chain.

USA Specifications

MSRP*$7,090 (White/Red) Available from September 2009
$6,990 (Team Yamaha Blue/White) Available from September 2009

Engine

Type: 250cc liquid-cooled DOHC 4-stroke; 5 titanium valves

Bore x Stroke: 77.0mm x 53.6mm

Compression Ratio: 13.5:1

Fuel Delivery: Keihin® FCR MX37

Ignition: CDI

Transmission: Constant-mesh 5-speed; multiplate wet clutch

Final Drive: Chain Drive

Chassis

Suspension/Front: Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel

Suspension/Rear: Fully adjustable single shock; 12.0-in travel

Brakes/Front: Hydraulic single disc brake, 250mm

Brakes/Rear: Hydraulic single disc brake, 245mm

Tires/Front: 80/100-21

Tires/Rear: 110/90-19

Dimensions Length: 85 in

Width: 32.5 in

Height: 51.3 in

Seat Height: 38.9 in

Wheelbase: 57.7 in

Ground Clearance: 14.8 in

Wet Weight: 224.8 lb

Fuel Capacity: 1.7 gal

Warranty: 30 Day (Limited Factory Warranty)

For discussion on the Yamaha YZ250F or on Yamaha Motorcycles clink on link.

Premix – Smells like victory

Born from the award winning YZ competition bikes, the 2010 Yamaha YZ125 features a light aluminum frame with a powerful, compact engine with awesome power-to-weight ratio. The 2010 YZ125 is ready to race out of the crate complete with ProTaper aluminum handlebar, titanium footpegs and gripper seat.

While some manufacturers are putting all their eggs in one basket, the engineers at Yamaha believe that choice is a good thing.

So whether your weapon of choice is a berm blasting two stroke or arm stretching four stroke, we have your needs covered.

Key Features

•  A light aluminum frame housing an amazingly light and compact engine results in an awesome power-to-weight ratio.

•  The YZ125 is ready to race out of the crate, complete with a ProTaper® aluminum handlebar, titanium footpegs and gripper seat.

•  A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 85cc class.

Engine

•  Reed-valve spacer improves acceleration across the entire powerband.

•  Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.

•  Patented YPVS® power-valve system combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.

•  38mm Mikuni® TMX carburetor gives excellent throttle response and serious horsepower.

•  Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.

•  Digital CDI ignition system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.

•  Large-capacity radiator features a 10-row core with four louvers to deliver maximum cooling efficiency at all performance levels.

•  Primary kickstarting ensures easy restarts in any gear.

•  Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.

Chassis/Suspension

•  YZ250F-style front-brake caliper and wave-style front and rear discs minimize unsprung weight and provide excellent stopping power.

•  A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in its class.

•  Speed-Sensitive System 48mm KYB® fork; damping force is controlled by piston speed which provides a smoother, more precise ride.

•  Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.

•  Rear, fully adjustable KYB® shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort all add up to fantastic rear wheel control and a sweet ride.

•  Tapered rear wheel spacers ease sliding the rear wheel into place for quicker tire changes.

•  Premium Dunlop® knobbies offer race-spec traction and wear.

Additional Features

•  Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low ProTaper® handlebar all help create greater freedom of movement and more comfortable ergonomics for riders.

•  Wide, cleated, folding titanium footpegs are lightweight and provide excellent comfort, grip and ground clearance.

•  Use of light box-head bolts throughout the chassis eases maintenance while reducing weight for increased performance.

•  Premium drive chain has gold-colored plates for outstanding looks.

•  Wide-diameter fuel tank cap for easier refueling.

•  Repackable exhaust silencer.

•  Durable, comfortable handlebar grips.

2010 Yamaha YZ125 – USA Specifications
MSRP* $6,090 (Team Yamaha Blue/White) Available from February 2010

Engine

Type: 124cc, liquid-cooled, 2-stroke, reed-valve inducted

Bore x Stroke: 54.0 x 54.5mm

Compression Ratio: 8.6~10.7:1

Fuel Delivery: Mikuni® TMX 38

Ignition: CDI

Transmission: Constant-mesh 6-speed; multiplate wet clutch

Final Drive: Chain Drive

Chassis

Suspension/Front: Speed-sensitive system inverted fork; fully adjustable, 11.8-in travel

Suspension/Rear: Fully adjustable single shock; 12.4-in travel

Brakes/Front: Hydraulic single disc brake, 250mm

Brakes/Rear: Hydraulic single disc brake, 245mm

Tires/Front: 80/100-21-51M

Tires/Rear: 100/90-19-57M

Dimensions

Length: 84.1 in

Width: 32.6 in

Height: 51.8 in

Seat Height: 39.3 in

Wheelbase: 56.8 in

Ground Clearance: 15.2 in

Fuel Capacity: 2.1 gal

Wet Weight: 208 lb

Warranty: 30 Day (Limited Factory Warranty)

For discussion on the Yamaha YZ125 or on Yamaha Motorcycles clink on link.

Born from the award winning YZ competition bikes. The 2010 YZ85 features a liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed that is compact and light. You also get an ultra-rigid, single backbone, semi-double-cradle frame, fully adjustable suspension and more to suit a wide range of rider from novice to mini expert.

With the same chassis and engine technology that goes into every 2-stroke YZ, the scaled-down YZ85 is a true competitor.

The YZ85, with its ultra-rigid high-tensile steel frame and 36mm inverted forks, weighs just 55kg (126lbs.) Powered by a compact yet muscular liquid-cooled 85cc engine pumping the power through a six-speed gearbox, this bike’s engineered to catch some major air — and trophies, too. Fully adjustable suspensions, front and rear disc brakes and almost 11″ of wheel travel highlight “for competition use only.” Truly, this is full-sized performance in a scaled-down package.

Key Features

• Liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed is light, compact and designed to deliver hard-hitting, moto-winning power throughout the rpm range.

• Ultra-rigid, single-backbone, semi-double-cradle frame is lightweight and strong for sharp handling.

• Fully adjustable suspension allows a broad adjustment range to suit everybody from rank novice to mini expert.

Engine

• 84.7cc liquid-cooled, crankcase reed-valve-inducted, two-stroke engine inhales through a 28mm Keihin® flat-slide carburetor; seamless throttle response across the powerband is the result.

• Digital CDI ignition system puts out a more precise spark and monitors engine speed to ensure optimal timing for quicker, stronger response during hard acceleration.

• Smooth-shifting, six-speed close-ratio transmission with heavy-duty, multiplate clutch delivers maximum hookup for outstanding acceleration and corner-exiting power.

• Involute spline set-up in clutch means smoother shifting under power with great durability at competition-level usage.

• Two-piece clutch cover provides easy access during maintenance.

• Lightweight radiator has large cores and louvers, and the water pump features a cast aluminum (vs. resin) impeller for maximum cooling efficiency.

• Lightweight exhaust system design helps create a broader powerband with stronger low-end punch.

• Airbox design ensures greater air cleaning performance and easier maintenance.

Chassis/Suspension

• Rear subframe is removable to allow easy maintenance.

• Lightweight 36mm KYB® inverted cartridge fork features 10.8 inches of travel with compression and rebound damping adjustability, and low-friction outer tubes and internals.

• Rear suspension features fully adjustable Kayaba link-type shock with 11.1 inches of travel and race-tested compression damping valving.

• 220mm front disc and 190mm rear disc brakes with stainless steel rotors deliver strong, precise stopping power.

• Lightweight 17-inch front and 14-inch rear rims are durable and reduce unsprung weight for optimal suspension performance.

• Dunlop® knobbies provide great traction on a variety of tracks and terrain.

Additional Features

• Wide handlebar and flat fuel tank, radiator shrouds, side panels and rear fender provide rider with leverage and freedom of movement and weight transfer.

• Wide footpegs provide superb comfort, grip and ground clearance.

• Separate clutch cover with transmission oil filler opening makes for easy maintenance.

• Fuel tank cap is wider-diameter for easier usage, and large tank opening ensures fast, hassle-free refueling.

• Repackable exhaust silencer.

2010 Yamaha YZ85 – USA Specifications
MSRP* $3,690 (Team Yamaha Blue/White) Available from February 2010

Engine

Type: 84.7cc liquid-cooled 2-stroke; reed-valve inducted

Bore x Stroke: 47.5 x 47.8mm

Compression Ratio: 8.2:1

Fuel Delivery: Keihin® PWK 28

Ignition: CDI

Transmission: Constant-mesh 6-speed; multiplate wet clutch

Final Drive: Chain Drive

Chassis

Suspension/Front: Inverted fork; fully adjustable, 10.8-in travel

Suspension/Rear: Single shock; fully adjustable, 11.1-in travel

Brakes/Front: Hydraulic single disc brake, 220mm

Brakes/Rear: Hydraulic single disc brake, 190mm

Tires/Front: 70/100-17-40M

Tires/Rear: 90/100-14-49M

Dimensions

Length: 71.7 in

Width: 30.9 in

Height: 45.7 in

Seat Height: 34.0 in

Wheelbase: 49.5 in

Ground Clearance: 13.8 in

Fuel Capacity: 1.3 gal

Wet Weight: 156 lb

Warranty: 30 Day (Limited Factory Warranty)

For discussion on the Yamaha YZ85 or on Yamaha Motorcycles clink on link.

Yamaha TT-R90E Specifications

• Yamaha TT-R90E MSRP:$1,299 (Team Yamaha Blue/White) Available from October 2008
• Yamaha TT-R90E Engine:
• Type 49cc air-cooled SOHC 4-stroke; 2 valves
  Bore x Stroke 36.0mm x 48.6mm
  Compression Ratio 9.5:1
  Carburetion Mikuni® VM11
  Ignition CDI
  Transmission Constant-mesh 3-speed; automatic clutch
  Final Drive Chain

• Chasis
• Suspension/Front Inverted telescopic fork; 3.8-in travel
  Suspension/Rear Single shock; 2.8-in travel
  Brakes/Front 80mm drum
  Brakes/Rear 80mm drum
  Tires/Front 2.50-10-4PR
  Tires/Rear 2.50-10-4PR
• Yamaha TT-R90E Dimensions:
• Length 51.4 in
  Width 23.4 in
  Height 30.5 in
  Seat Height 21.8 in
  Wheelbase 36.4 in
  Ground Clearance 5.3 in
  Fuel Capacity .82 gal
  Wet Weight 125 lb
• Yamaha TT-R90E Other:

Warranty 90 Day Limited Warranty

Yamaha TT-R250 Specifications

• Yamaha TT-R250 MSRP:$3,699 (Team Yamaha Blue/White) Available from October 2008
• Yamaha TT-R250 Engine:
• Type 223cc air-cooled SOHC 4-stroke, 2 valves
  Bore x Stroke 70.0mm x 58.0mm
  Compression Ratio 9.5:1
  Carburetion Y26P
  Ignition DC-CDI
  Transmission Constant-mesh 6-speed; multiplate wet clutch
  Final Drive Chain

• Chasis
• Suspension/Front Telescopic fork; 9.5-in travel
  Suspension/Rear Single shock; 8.7-in travel
  Brakes/Front 220mm single disc
  Brakes/Rear 130mm drum
  Tires/Front 80/100-21 NHS
  Tires/Rear 100/100-18 NHS
• Yamaha TT-R250 Dimensions:
• Length 81.3 in
  Width 31.5 in
  Height 46.5 in
  Seat Height 34.2 in
  Wheelbase 54.5 in
  Ground Clearance 11.6 in
  Fuel Capacity 2.1 gal
  Wet Weight 256 lb
• Yamaha TT-R250 Other:

Warranty 90 Day Limited Warranty

Yamaha YZ450F Specifications

• Yamaha YZ450F MSRP:$7,399 (Team Yamaha Blue/White) Available from July 2008
  $7,499 (White/Red) Available from July 2008
• Yamaha YZ450F Engine:
• Type 449cc liquid-cooled DOHC 4-stroke; 5 titanium valves
  Bore x Stroke 95.0 x 63.4mm
  Compression Ratio 12.3:1
  Carburetion Keihin FCR MX39
  Ignition CDI
  Transmission Constant-mesh 5-speed; multiplate wet clutch
  Final Drive Chain Drive

• Yamaha YZ450F Chassis:
• Suspension/Front Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
  Suspension/Rear Fully adjustable single shock; 12.3-in travel
  Brakes/Front Hydraulic single disc brake, 245mm
  Brakes/Rear Hydraulic single disc brake, 245mm
  Tires/Front 80/100-21-Dunlop 742FA
  Tires/Rear 120/80-19-Dunlop 756
• Yamaha YZ450F Dimensions:
• Length 86.4 in
  Width 32.5 in
  Height 51.4 in
  Seat Height 38.9 in
  Wheelbase 58.8 in
  Ground Clearance 14.7 in
  Fuel Capacity 1.8 gal
  Wet Weight 238 lb
• Yamaha YZ450F Other:
• Warranty: 30 Day (Limited Factory Warranty)

Yamaha PW80 Specifications

• Yamaha PW80 MSRP: $1,299 (Team Yamaha Blue/White)
• Yamaha PW80 Engine:
• Type 79cc, air-cooled, case reed-inducted, 2-stroke
  Bore x Stroke 47 x 45.6mm
  Compression Ratio 6.6:1
  Carburetion 15mm Mikuni
  Ignition CDI
  Transmission 3-speed w/automatic clutch
  Final Drive Chain

• Yamaha PW80 Chassis:
• Suspension/Front Telescopic fork; 4.3" travel
  Suspension/Rear Single shock; 3.7" travel
  Brakes/Front 95mm Drum
  Brakes/Rear 110mm Drum
  Tires/Front 2.50-14
  Tires/Rear 3.00-12
• Yamaha PW80 Dimensions:
• Length 60.6"
  Width 25.2"
  Height 34.6"
  Wheelbase 41.5"
  Seat Height 25"
  Ground Clearance 7.3"
  Dry Weight 126 lb.
  Fuel Capacity 1.3 gal.
• Yamaha PW80 Other:
• Warranty: 90 Day (Limited Factory Warranty)

Yamaha TT-R125LE Specifications

• Yamaha TT-R125LE MSRP:$2,999 (Team Yamaha Blue/White) Available from October 2008
• Yamaha TT-R125LE Engine:
• Type 124cc air-cooled SOHC 4-stroke; 2 valves
  Bore x Stroke 54.0mm x 54.0mm
  Compression Ratio 10.0:1
  Carburetion Mikuni® VM20
  Ignition CDI
  Transmission Constant-mesh 5-speed; multiplate wet clutch
  Final Drive Chain

• Chasis
• Suspension/Front Telescopic fork; 7.1-in travel
  Suspension/Rear Single shock; 6.6-in travel
  Brakes/Front 220mm single disc
  Brakes/Rear 110mm drum
  Tires/Front 70/100-19 42M
  Tires/Rear 90/100-16 52M
• Yamaha TT-R125LE Dimensions:
• Length 74.2 in
  Width 31.3 in
  Height 42.7 in
  Seat Height 31.7 in
  Wheelbase 50.0 in
  Ground Clearance 11.6 in
  Fuel Capacity 1.6 gal
  Wet Weight 198 lb
• Yamaha TT-R125LE Other:

Warranty 90 Day Limited Warranty

Yamaha WR450F Specifications

• Yamaha WR450F MSRP:$7,199 (Team Yamaha Blue/White)
• Yamaha WR450F Engine:
• Type 449cc liquid-cooled DOHC 4-stroke; 5 titanium valves
  Bore x Stroke 95.0mm x 63.4mm
  Compression Ratio 12.3:1
  Carburetion FCR-MX39 x 1
  Ignition CDI
  Transmission Constant-mesh 5-speed; multiplate wet clutch
  Final Drive Chain Drive

• Yamaha WR450F Chassis:
• Suspension/Front Inverted fork; fully adjustable, 11.8-in travel
  Suspension/Rear Single shock; fully adjustable, 12-in travel
  Brakes/Front Hydraulic single disc brake, 250mm
  Brakes/Rear Hydraulic single disc brake, 245mm
  Tires/Front 80/100-21 51M
  Tires/Rear 110/100-18 64M
• Yamaha WR450F Dimensions:
• Length 85.6 in
  Width 32.5 in
  Height 51.0 in
  Seat Height 38.6 in
  Wheelbase 58.5 in
  Ground Clearance 14.4 in
  Dry Weight 248 lb
  Fuel Capacity 2.1 gal
• Yamaha WR450F Other:
• Warranty: 30 Day (Limited Factory Warranty)