2‑STROKES ‑ 1 GOAL.
2020 Yamaha YZ250X:
Engineered with all the reliability and durability you’ve come to expect from Yamaha, this 2‑stroke was born to win X‑country races.
Cross country and enduro racing have been experiencing increased popularity and growth. Based on the legendary YZ250 two-stroke, the X model has been developed using all of Yamaha’s extensive two-stroke knowledge to produce a high-level cross country performer. The YZ250X is a lightweight, compact machine that is both exciting to ride and affordable to own and maintain.
PERFORMANCE
The YZ250X is a super light weight package that offers serious two-stroke power. The engineers modified the cylinder head, adjusted the compression ratio, revised the exhaust port timing and changed the gear ratios in the 5-speed transmission to better suit cross country racing (vs. the base YZ250). The YZ250X engine offers a good depth of power with an easy-to-use engine character.
THE EXTRAS
Cross-country-focused chassis features include softer suspension settings front and rear, an 18-inch rear wheel for more puncture resistance, an aluminum side stand and a fuel petcock that offers a reserve position for peace of mind (vs. YZ250).
2020 Yamaha YZ250X Totalmotorcycle.com Key Features
KEY FEATURES
The YZ250X is based on the YZ250 2-stroke with the following additional features that enhance its competitiveness for cross country racing / riding.
- “Re-tuned” engine Vs. YZ250 (head, ignition, porting & YPVS)
- Wider ratio transmission gears Vs. YZ250 (3rd gear & higher)
- Heavy duty clutch
- Expansion chamber shape
- Unique front & rear suspension settings
- 18″ rear wheel
- Aluminum side stand
- On-off-reserve fuel petcock
MARIETTA, Ga. – June 4, 2019 – Yamaha Motor Corp., USA, announces its complete lineup of 2020 cross-country motorcycles specially designed for Hare Scrambles and Grand National Cross-Country (GNCC®) races, including the all-new YZ125X two-stroke motorcycle, as well as a newly redesigned YZ250FX.
“Yamaha’s cross-country lineup builds on the unmatched success of our motocross designs, using industry leading technology to provide uncompromised performance for the tight, technical terrain of Hare Scramble and GNCC racing,” said Steve Nessl, Yamaha’s motorsports marketing manager. “With the introduction of the all-new YZ125X and newly redesigned YZ250FX, Yamaha offers even more variety to meet the demands of cross-country racers and enthusiasts alike.”
Also returning to Yamaha’s 2020 cross-country lineup is the two-stroke YZ250X, and four-stroke YZ450FX, translating Yamaha’s YZ450F flagship motocross performance to the woods with cross-country enhancements.
Yamaha off-road competition bikes offer the latest technology and performance features designed to win races and help enthusiasts become one with their machine to make them the best riders possible – putting them in the victorYZone and atop the podium.All-New 2020 YZ125X: Level-Up Your Performance
Designed to be the perfect step up to a full-size cross-country machine, this lightweight two-stroke is the pinnacle of performance on the racecourse.An all-new model for 2020, the Yamaha YZ125X is optimized for the unique demands of Hare Scrambles and GNCC racing. It sports Yamaha’s Power Valve System-equipped (YPVS™) 125cc, liquid-cooled, two-stroke, reed-valve-inducted engine, combined with a six-speed transmission tuned for smooth, wide, and controllable power character across the rev range. This backwoods racer is built on an ultra-lightweight aluminum frame carefully engineered for the perfect balance of rigidity and flex.Cross-country performance of the YZ125X is optimized with model specific digital CDI ignition settings, new power valve shape, open timing, open duration, as well as a new cylinder head combustion chamber shape, all of which are focused on creating broad power delivery that suits off-road terrain and a wide range of rider skill levels.
The 2020 YZ125X is further equipped to endure the punishing terrain of cross-country racing with durability and comfort-enhancing features including a sealed O-ring chain, a standard side stand, and fuel tank petcock with reserve position. Fully adjustable, industry-leading KYB® speed-sensitive spring-type suspension has been tested and tuned specifically for the needs of cross-country racers. Enduro-specific Dunlop® Geomax AT81 tires with an 18-inch rear are ready to head straight to the races thanks to taller sidewalls for improved comfort and reduced pinch flats. A large 270mm front disc brake coupled with high-performance pad material offers outstanding machine control and performance, with exceptional stopping power and controllability for tight wooded trails.
The all-new 2020 YZ125X will be available from dealers this month in Team Yamaha Blue for $6,699 MSRP.
New 2020 YZ250FX: Your Power. Your Way.
This cross-country racer has all the features to win including the smartphone power tuner app that adjusts the bikes settings to your style and the track.
The 2020 YZ250FX is an out-of-the-box Hare Scrambles and GNCC competition machine. Based on the championship-winning 2019 YZ250F, it features Yamaha’s revolutionary front-intake, rear-exhaust, liquid-cooled, DOHC four-stroke power plant with an added sixth gear, wide ratio transmission, and a range of cross-country upgrades. Yamaha’s latest generation, aluminum bilateral beam frame delivers strength, lightness and durability for the tight, technical terrain of cross-country racing while still providing optimum stability in fast sections. The bike also features improved electronics including a compact, center mounted electric start system powered by an ultra-lightweight, four-cell, lithium-ion battery to minimize restart delays mid-race and add convenience everywhere else.
All-new bodywork on the YZ250FX is slimmer than ever, giving the bike a compact, nimble feel and easing rider movement across the machine in tough terrain. Fully adjustable, industry-favorite KYB suspension is specifically tuned for off-road racing and combined with Dunlop MX3S tires with 18-inch rear to deliver excellent comfort and durability in harsh conditions. Additionally, the YZ250FX is equipped with performance and convenience including four-position rubber-mounted handlebar clamps, a side-stand, wireless connectivity with the Yamaha Power Tuner App, and new for 2020, a handlebar-mounted map switch to adjust preselected engine maps on the fly.
The 2020 YZ250FX will be available from dealers in September in Team Yamaha Blue for $8,499 MSRP.
2020 YZ450FX: Power, Tuned to Perfection
Built for cross-country domination with electric start and smartphone power tuner app that adjusts the bike’s settings for various rider styles and track conditions.
The 2020 YZ450FX utilizes Yamaha’s distinct reward-slanted cylinder, 449cc, liquid-cooled, four-stroke engine design, complete with rear exhaust and forward-mounted intake system all working together to deliver class leading power and controllability for cross-country racing. Its bilateral beam frame and engine mounting position optimizes the machine’s rigidity balance, resulting in improved cornering ability and traction, while industry-leading KYB suspension is specifically tuned to provide comfort and performance in the toughest of off-road conditions. Rider convenience is also a priority in the YZ450FX with enhancements including Yamaha’s ultra-lightweight electric start system for effortless restarts under pressure, wireless connectivity with the Yamaha Power Tuner app for precision tunability directly from a smart phone and a handlebar-mounted map switch to choose between user defined engine maps on the fly.
The 2020 YZ450FX will be available from Yamaha dealers in August in Team Yamaha Blue for $9,599 MSRP.
2020 YZ250X: Two-Strokes, One Goal
Engineered with all the reliability and durability you’ve come to expect from Yamaha, this 2‑stroke was made to win cross‑country races.
Yamaha’s 2020 YZ250X delivers classic two-stroke performance to cross-country racing. Its lightweight aluminum frame together with specifically tuned KYB spring type forks and rear shock provide unmatched handling performance and comfort in GNCC style conditions. The 249cc, reed-valve inducted engine, mated with a wide-ratio 5-speed transmission is race-ready. Based on the YZ250 motocross model, the YZ250X features a revised compression ratio, exhaust port, power valve timing, and model specific CDI unit for improved trail performance. All these features are focused on creating a wide, controllable power character along with light, nimble, and precise handling ideal for cross-country racing.
The 2020 YZ250X will be available from dealers this month in Team Yamaha Blue for $7,599 MSRP.
Yamaha bLU cRU Off-Road Racing Contingency
All 2020 YZ-X and YZ-FX models are once again eligible for Yamaha’s bLU cRU Off-Road Racing Contingency Program, with nearly $5 million for Yamaha bLU cRU riders competing in off-road motorcycle racing. YZ riders can earn contingency payouts via a bLU cRU debit card, receive a 10% rebate on GYTR parts and accessory purchases of up to $1,000
2020 Yamaha YZ250X Totalmotorcycle.com Features and Benefits
ENGINE
- Lightweight, compact, liquid-cooled, 249cc, piston-reed-valve-inducted, 2-stroke.
- super crisp, instant “right now” engine power (when in the “power band”)
- easy & economical to maintain, service & rebuild
- Key engine differences Vs YZ250.
- revised cylinder head volume Vs. YZ250 (slight increase in volume Vs. YZ250)
- 7.9:1 compression ratio (slightly less than YZ250)
- revised YPVS power valve (actuation rpm & shape)
- revised exhaust port (main) size & timing
- wider 3rd, 4th & 5th gears ratios
- expansion chamber front diameter (reduced)
- Lightweight, flat top forged aluminum piston.
- excellent durability
- light weight means fast engine response
- “Liner-less”, ceramic composite cylinder bore with ceramic coating sprayed directly on the aluminum block.
- excellent heat dissipation
- reduced weight (no heavy iron liner)
- reduced friction
- extended cylinder life
- Lightweight, ball bearing style crank.
- lightweight design for fast throttle response
- friction reducing crank seals
- YPVS power valve system features a total of three slides (one main and two auxiliary slides).
- YPVS system varies the exhaust port height & timing based on engine rpm
- provides the benefits of both solid, low rpm power delivery & strong top-end punch
- Keihin PWK38S carburetor with power jet & throttle position sensor (TPS).
- precise fuel – air mixing
- extra-crisp throttle response throughout the powerband
- Special-design, 4-petal, carbon fiber reeds.
- excellent throttle response & engine performance across the entire RPM range
- Smooth-shifting, wide ratio 5-speed transmission.
- ratios are matched to engine output for maximum performance
- optimal hook-up for outstanding acceleration & corner-exiting power
- transmission features “involute splines” for smooth, positive shifting even under power
- wider 3rd, 4th & 5th gears ratios (Vs. YZ250) … see spec sheet
- Heavy-duty, multi-plate clutch.
- Clutch spring load is reduced for easier clutch lever pull Vs. YZ250 (less fatigue)
- quick-access, outer clutch cover allows for fast, easy clutch maintenance
- CD (capacitor discharge) ignition system.
- delivers a precise spark for fast, sure starts
- ensures optimal timing at all rpms for fast, strong response
- High capacity, washable, dual-stage, foam air filter.
- excellent filtering qualities
- reduces maintenance costs … foam filter is re-useable
- Large-capacity, dual radiators feature 10-row cores.
- maximum cooling efficiency
- Lightweight exhaust system.
- computer designed expansion chamber provides maximum engine performance
- lightweight, aluminum silencer is re-buildable for optimum performance & reduced noise levels
- sound output is 94 dB
- Works-style clutch lever & race-spec “barrel adjuster.”
- light, easy lever pull
- lever position (reach) can be set to rider’s preference
- for on-the-fly clutch adjustments
CHASSIS/SUSPENSION
- Lightweight, aluminum, semi-double-cradle frame.
- combines with compact engine to provide an awesome power to weight ratio
- obvious benefit of an aluminum frame is a significant weight reduction
- Yamaha maintains the semi-double cradle design because it offers an excellent “rigidity balance” between lateral & torsional rigidity while offering controlled flex in the longitudinal plane
- result is a light aluminum frame, which provides excellent handling, good ride quality, excellent stability & responsive cornering performance
- Removable rear subframe.
- constructed of square-section, lightweight aluminum
- detachable design allows easy access when servicing rear suspension components
- reduces costs in the event of a loop out
- Lightweight, tapered design aluminum swingarm.
- produced by “hydro forming”, a forming method that uses high pressure water to form shapes
- excellent rear wheel traction & control
- lightweight design
- Cast aluminum upper and forged lower triple clamps.
- strong yet lightweight
- fast, agile handling
- Adjustable handlebar mounts.
- allow handlebar to be moved 10mm rearward if desired
- “Speed Sensitive System” 48mm, adjustable, inverted, “twin chamber” KYB fork. Front wheel travel is 300 mm (11.8″).
- twin chamber design means the damper unit is in a separate structure which prevents aerated fork oil from entering the inner damper assembly & degrading its damping abilities
- the inner damper is pressurized, it also eliminates bubbles forming in the oil
- “Speed Sensitive” design means the damping force is controlled by piston speed, not position in the fork
- low friction fork seals provide reduced stiction for a smoother stroke
- spring & damping settings are optimized for cross country use
- fork adjustments include: 20-way compression damping & 20-way rebound damping
- optional fork springs are available through Genuine Yamaha parts
- Fork also features a Transfer Control Valve (TCV).
- TCV enhances damping from mid to full stroke & improves bottoming characteristics
- TCV offers more precise control throughout the full suspension stroke
- TCV is located on the upside of the spring & its function is controlled by piston speed, not piston position, hence the term “Speed Sensitive System fork”.
- Large “wrap-around” plastic fork protectors.
- provide excellent protection from dirt, mud & stone chips
- “self-supporting” design reduces friction for smoother stroke
- Monocross link rear suspension features a fully adjustable, Kayaba, piggyback shock which provides 315 mm (12.4″) of wheel travel.
- features separate adjusters for high- and low-speed compression damping
- adjustments include: spring preload, 20-way rebound damping, 20-way low-speed compression damping & 2 turns of high speed compression damping
- spring & damping settings are optimized for cross country use
- 18 mm damper rod
- Kashima coating (friction reducer) is used in the shock body & sub tank to reduce friction & improve suspension performance
- piggyback shock utilizes a full rebound oil lock system for excellent suspension function & great ride quality
- spring & damping settings are optimized for cross country use
- 270 mm floating front “wave-style” disc brake with Nissin twin piston caliper.
- “wave” style rotor (disc) reduces weight, improves cooling (more surface area) & improves styling
- braking performance is excellent with great feel & control
- “Shorty” front brake lever is adjustable for various hand sizes.
- 245 mm rear “wave-style” disc brake with single piston caliper.
- integrated master cylinder (fluid reservoir is integrated into the top of the master cylinder)
- “wave” style rotor (disc) reduces weight, improves cooling (more surface area) & improves styling
- strong stopping power with excellent feel & control
- Rugged, plastic rear caliper & lower rear disc protectors / guards.
- Lightweight, Sun Star rear sprocket.
- increases the contact area between the sprocket & chain rollers
- reduces the load on the chain & increases service life of chain & sprocket
- Heavy duty “O”- ring chain for excellent durability.
- Lightweight, D.I.D. 21″ front and 18″ rear rims & premium Dunlop tires.
- provide excellent durability
- reduces unsprung weight for optimal suspension performance & handling
- “Flat-design” seat features multi density foam.
- provides good initial softness / comfort and then increases the firmness as more pressure is applied
- “pebble” finish on the top and side surfaces provides excellent rider grip & durability
- Seat, handlebar & fuel tank ergonomics provide excellent freedom of movement for the rider.
- Large, 8 litre plastic resin fuel tank.
- on – off – reserve fuel petcock
- reserve amount is approx. 2 litres
- Lightweight aluminum side stand.
DETAILS
- Slim design, aggressive bodywork allows easy rider movements
- Lightweight YZ250F/450F based wide footpegs provide excellent grip & ground clearance
- Rugged chain guide helps prevent the chain from de-railing and also helps to protect the rear sprocket.
- Serrated rear brake lever and folding shift lever tip
- Stainless steel, inner clutch cable provides excellent strength, smooth action and long life
- Heavy-duty 520 “O” ring chain
- E10 friendly fuel system components
2020 Yamaha YZ250X – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $7,599 – Team Yamaha Blue
Canada MSRP Price: $8,499 CDN
Europe/UK MSRP Price: £See dealer for pricing in GBP (On The Road inc 20% Vat)
Australia MSRP Price: See dealer for pricing in AU
Engine Type 249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke 66.4mm × 72.0mm
Compression Ratio 7.9~9.4:1
Fuel Delivery Keihin® PWK38S
Ignition CDI
Transmission Constant-mesh 5-speed; multiplate wet clutch
Final Drive Chain
Suspension / Front KYB® Speed-Sensitive System inverted fork;
fully adjustable, 11.8-in travel
Suspension / Rear KYB® single shock; fully adjustable, 12.4-in
travel
Brakes / Front Hydraulic disc, 270mm
Brakes / Rear Hydraulic disc, 245mm
Tires / Front 90/90-21 Dunlop® AT81F
Tires / Rear 110/100-18 Dunlop® AT81
L x W x H 86.0 in x 32.5 in x 50.8 in
Seat Height 38.2 in
Wheelbase 58.5 in
Rake (Caster Angle) 27.7°
Trail 4.8 in
Ground Clearance 14.2 in
Fuel Capacity 2.1 gal
Wet Weight 229 lb
Warranty 30 Day (Limited Factory Warranty)
Color Team Yamaha Blue
*** Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as
applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is
useful in making real-world comparisons with other models.
2020 Yamaha YZ250X – Totalmotorcycle.com Canada Specifications/Technical Details
ENGINE
| Engine |
|---|
| 2-stroke, liquid-cooled, reed-valve, single |
| Displacement |
| 249 cc |
| Bore and Stroke |
| 66.4 x 72 mm |
| Compression Ratio |
| 7.9 ~ 9.4:1 |
| Fuel Delivery |
| Keihin PWK38S |
| Ignition / Starting |
| CDI / Kick |
| Transmission |
| Constant mesh, 5-speed |
| Final Drive |
| Chain |
CHASSIS
| Suspension (Front) |
|---|
| Fully adjustable 48 mm inverted fork / 300 mm (11.8″) travel |
| Suspension (Rear) |
| Fully adjustable link Monocross / 315 mm (12.4″) travel |
| Brakes (Front) |
| 270 mm floating disc / twin piston caliper |
| Brakes (Rear) |
| 245 mm disc / single piston caliper |
| Tires (Front) |
| 90/90-21 |
| Tires (Rear) |
| 110/100-18 |
CRITICAL DATA
| Length |
|---|
| 2,185 mm (86″) |
| Width |
| 825 mm (32.5″) |
| Height |
| 1,290 mm (50.8″) |
| Wheelbase |
| 1,485 mm (58.5″) |
| Ground Clearance |
| 360 mm (14.2″) |
| Seat Height |
| 970 mm (38.2″) |
| Fuel Capacity |
| 8 litres (1.8 imp. gallons) |
| Wet Weight |
| 104 kg (229 lbs) |
| Colour(s) |
| Yamaha Racing Blue |
2020 Yamaha YZ250X – Totalmotorcycle.com European Specifications/Technical Details
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2020 Yamaha YZ250X – Totalmotorcycle.com Australian Specifications/Technical Details
Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).
