2021 Yamaha YZ250FX : YOUR POWER. YOUR WAY..
2021 Yamaha YZ250FX:
This Cross Country racer has all the features to win including the smartphone Power Tuner app that adjusts the bike’s settings to fit your style and the track.
Based on the championship-winning YZ250F and boasting a wide range of cross-country features, the 2020 YZ250FX is a true “out-of-the-box” hare scramble/cross-country competition machine. Yamaha’s exclusive Power Tuner app makes it easy to tune for varied track and trail conditions using your smartphone.
- Engine based on previous-generation YZ250F motocrosser
- Exclusive Power Tuner app
- Handlebar-mounted map switch
- Tuned chassis with bilateral beam frame and KYB suspension
- 18-inch rear wheel and cross-country-specific tires
- Electric start
2021 Yamaha YZ250FX Totalmotorcycle.com Key Features
- All-New Hare Scramble/GNCC® Racer
Based on the championship-winning YZ250F™ that features Yamaha’s revolutionary front-intake, rear-exhaust, liquid-cooled, DOHC 4-stroke power plant with an added sixth gear, wide ratio transmission and a range of cross-country upgrades, the YZ250FX™ is an “out-of-the-box” Hare Scrambles and GNCC® competition machine.
- Yamaha Power Tuner App
Yamaha’s free of charge and industry-exclusive Power Tuner app puts the flexibility and precision tunability of the GYTR® Power Tuner into your smartphone. Make fueling and ignition timing changes instantly and upload them to the bike for ultimate track-side tuning while the handlebar-mounted map switch allows you to adjust preselected engine maps on the fly.
- High Performance Engine
Based on the championship-winning YZ250F, the engine includes all of the same race-winning technologies. The cylinder head, exhaust system, fuel injection, drivetrain, electrical system and more were updated to offer improved power across the rev range. Together, the result is improved peak power, better power delivery and even tougher durability.
- Tuned Chassis
Found on the YZ250F, the bilateral beam frame is utilized on the 2021 YZ250FX. The forged section at the swingarm pivot, and engine mounting brackets provide a nimble lightweight feeling in tight, technical terrain while still providing control in fast sections. As always, Yamaha’s class-leading KYB® suspension ensures maximum control and traction.
- Cross Country Features
With the electric starting system, a 2.16-gallon fuel tank, rugged plastic skid plate, 18-inch rear wheel and XC racing tires, the YZ250FX is ready to win right out of the box.
- Podium Ready
The YZ250FX is ready to put riders on top of the podium with its engine, electronics, frame, suspension, thin and low body and more.
Yamaha Announces 2021 YZ Cross Country Motorcycles
Yamaha’s Redesigned YZ450FX Features Engine, Frame and Suspension Updates
Yamaha Motor Corporation, USA, is announcing its 2021 YZ cross country models including a redesigned 2021 YZ450FX. Designed to beat the competition in Hare Scrambles and Grand National Cross Country (GNCC®) races, the newest YZ450FX features a refined, more efficient engine, a redesigned frame with all-new flex characteristics, updated suspension settings, and more.
“Yamaha’s cross country lineup builds on the unmatched success of our motocross designs, using industry-leading technology to provide uncompromised performance for cross country competition,” said Derek Brooks, Yamaha Motorsports Motorcycle Product Line Manager. “The newly redesigned YZ450FX provides a lighter, more powerful, and better handling off-road experience for both cross country racers and recreational riders alike.”
The return of the two-stroke YZ125X and YZ250X models and four-stroke YZ250FX completes the 2021 YZ cross country lineup. All models will feature a next-generation Team Yamaha Blue color and graphic scheme to further accentuate the advances of the YZ series.
Welcome to the victorYZone
Yamaha’s off-road competition bikes offer the very latest in technology with performance features designed to help racing enthusiasts reach their maximum potential, win races, and stand on top of the podium.
New 2021 YZ450FX: Cross Country Domination
The 2021 YZ450FX is designed to beat the cross country competition. The new 449cc, liquid-cooled, four-stroke, electric start engine features an all-new compact cylinder head with redesigned combustion chamber shape, and steeper valve angles. The rearward-slanted cylinder houses a higher compression piston with low friction rings attached to a longer connecting rod. The wide ratio, 5-speed transmission has been refined to provide smoother shifting, and a more efficient crankcase breather system has been adopted to decrease pumping losses. In all, the lighter, more compact engine produces increased power across the entire RPM range for stronger and more linear pulling power.
The latest evolution of Yamaha’s lightweight aluminum bilateral beam frame has been redesigned with all-new flex characteristics that provide improved cornering performance, traction and bump reaction to give the rider more confidence to push harder in any off-road condition. Other chassis components such as engine mounts, top triple clamp and front axle, as well as the class-leading KYB® suspension with enhanced compression and rebound characteristics were carefully refined to reduce weight while improving handling and performance. To bring the new package to a stop, the 2021 YZ450FX features a newly designed front brake caliper, brake pads and front and rear disc. The combined changes to the new 2021 YZ450FX deliver increased power output with more controllable, linear acceleration and lightweight handling characteristics that mimic the YZ250FX.
To further showcase the YZ450FX’s cross country edge, electric start, a lightweight lithium battery, and advanced fuel injection are all standard features. The front-positioned intake and rear-positioned exhaust layout deliver the widest spread of reliable power while balancing the weight for excellent mass centralization. This cross country machine also continues to feature Yamaha’s advanced racing technology. The dual-mode switchable engine mapping and wireless connectivity is handled through the industry’s only free-of-charge complete tuning system, highlighted by the Yamaha Power Tuner App, which allows racers to adjust their engine performance right from their phone. With new next-generation Team Yamaha Blue colors and graphics, the 2021 YZ450FX showcases Yamaha’s cross country competitive edge.
2021 YZ250FX: Your Power, Your Way
Yamaha’s winning design returns with the 2021 YZ250FX. With its revolutionary front-intake, rear-exhaust, liquid-cooled, DOHC 4-stroke power plant, added sixth gear, and wide ratio transmission, this is the weapon of choice for cross country racing. The aluminum bilateral beam frame, and industry leading KYB suspension of the 2021 YZ250FX provide the ultimate balance of race-winning performance, rideability and comfort.
With electric start, a 2.16-gallon fuel tank, rugged plastic skid plate, sealed O-ring chain and 18-inch rear wheel, the YZ250FX is ready to win right out of the box. The bike also feature’s Yamaha’s free-of-charge complete tuning system, highlighted by the Yamaha Power Tuner App. With the ability to make fueling and ignition timing changes and choose between two user-defined ECU maps through the handlebar-mounted dual-mode switch, the YZ250FX is equipped for on-track, wireless performance adjustments.
2021 YZ125X and YZ250X
The two-stroke YZ125X and YZ250X are back for 2021. Optimized for the unique demands of cross country racing, the YZ125X and YZ250X feature the Yamaha Power Valve System with six-speed and wide ratio five-speed transmissions, respectively, for the ultimate cross country power plant. Their lightweight aluminum frame hosts the industry-leading fully adjustable, KYB speed sensitive spring-type suspension that is tuned specifically for cross country races. The 18-inch rear wheel, sealed O-ring chain, and off-road focused tires, coupled with the aggressive styling, ready the YZ125X and YZ250X for GNCC racing.
Yamaha bLU cRU Off-Road Racing Contingency Program
All 2021 YZ models are eligible for Yamaha’s current 2020 bLU cRU Off-Road Racing Contingency Program, which features 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 percent rebate on GYTR parts and accessory purchases of up to $1,000, and receive an instant $45 credit
2021 Yamaha YZ250FX Totalmotorcycle.com Features and Benefits
- Unique Engine Tuning
The revolutionary front-intake/rear-exhaust, high-performance liquid-cooled, 4-stroke, 4-valve, fuel-injected engine has been tuned for victories in the highly competitive GNCC® and Hare Scrambles race series. Intake and exhaust ports work with a higher compression piston for a wider spread of power without losing top-end performance.
- Yamaha Power Tuner App
Yamaha’s free of charge and industry-exclusive Power Tuner app brings the power of the GYTR Power Tuner to your iOS® or Android® device. Using wireless connectivity to talk to the bike’s onboard CAN-bus network, the app allows owners to adjust air/fuel mixture and ignition timing maps to tune engine performance for track conditions, record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more.
- Adjustable Engine and Fuel Mapping
A handlebar-mounted map switch allows the rider to quickly select between preloaded engine maps—loaded and configured in the Power Tuner app—to account for changing track and weather conditions. The fuel injection system uses 3D-mapped electronic control for the fuel and ignition timing that are optimized for cross country racing.
- Forward-Thinking Engine Design
Reversing the cylinder head while placing the intake forward and the exhaust to the rear allow for a straight shot, downdraft intake and straight exhaust port for maximized engine performance.
- 6-Speed Gearbox
A six-speed transmission is used to ensure the right gear is available for the wide variety of terrain found in cross country racing. Updated gearing ratios and a new heavy-duty, large-diameter clutch bring enhanced durability in the extreme conditions of a three-hour GNCC® race.
- Mass-Centralized Electric Starter System
The YZ250FX features a compact, centrally-mounted electric starter system to minimize restart delays mid-race and add convenience everywhere else. Powered by a high-capacity and ultra-lightweight four-cell lithium-ion battery, the system adds minimal weight.
- Slim Bodywork
The compact bodywork eases the rider’s movement across the machine in tough terrain. The fuel tank provides 2.16 gallons of fuel with a larger fuel cap opening, and the graphics are embedded in the body moldings for long-lasting good looks.
- Light and Strong Aluminum Frame
An all-aluminum bilateral beam frame provides strength, lightness and durability for cross country racing conditions and comes standard with a rugged plastic skid plate.
- Advanced Suspension
Industry favorite KYB® fully adjustable spring-type forks with speed-sensitive damping and a KYB® rear shock feature a large 50mm piston. Both the fork and rear shock have been thoroughly tested and tuned specifically for cross country racing.
- Purpose-Built Tires
Special cross country racing Dunlop® tires are used to maximize traction while delivering excellent durability.
- 270mm Front Brake
Large 270mm front disc brake coupled with high-performing pad material offers outstanding machine control and performance, with exceptional stopping power and controllability.
- Practical Touches
Quick-adjust clutch, wide 55mm platform foot pegs, four-position rubber-mounted handlebar clamps, aluminum handlebars and a side stand come standard for added rider convenience. The YZ250FX is also pre-wired for an optional radiator fan for the most grueling conditions.
- Easy Servicing
The air cleaner cover features toolless access to the air filter. Thanks to a WR®-style fuel level sensor in the tank, the YZ250FX includes a convenient fuel readout along with an engine warning indicator on the handlebar.
- Sealed O-ring Chain
High-quality O-ring chain is tough, durable and light.
2021 Yamaha YZ250FX – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $8499 USD
Canada MSRP Price: Starting at $9,799 CDN
Europe/UK MSRP Price: £ See Dealer GBP (On The Road inc 20% Vat)
Engine Type 250cc liquid-cooled DOHC 4-stroke; 4 titanium valves
Bore x Stroke 77.0mm x 53.6mm
Compression Ratio 13.8:1
Fuel Delivery Mikuni® fuel injection, 44mm
Transmission 6-speed; multiplate wet clutch
Final Drive Chain
Suspension / Front KYB® spring-type fork with speed sensitive
damping; fully adjustable, 12.2-in travel
Suspension / Rear KYB® single shock; fully adjustable, 12.5-in
Brakes / Front Hydraulic disc, 270mm
Brakes / Rear Hydraulic disc, 245mm
Tires / Front 80/100-21 Dunlop® MX3S
Tires / Rear 110/100-18 Dunlop® MX3S
L x W x H 85.6 in x 32.5 in x 50.0 in
Seat Height 37.6 in
Wheelbase 58.3 in
Rake (Caster Angle) 27.2°
Trail 4.6 in
Fuel Capacity 2.2 gal
Wet Weight 245 lb
Warranty 30 Day (Limited Factory Warranty)
Color Team Yamaha Blue
2021 Yamaha YZ250FX – Totalmotorcycle.com Canada Specifications/Technical Details
|ENGINE||Liquid-cooled, DOHC, 4-valve (titanium), single|
|BORE AND STROKE||77 x 53.6 mm|
|FUEL DELIVERY||44 mm Keihin throttle body F.I.|
|IGNITION / STARTING||TCI / Electric|
|TRANSMISSION||Constant mesh, 6-speed|
|SUSPENSION (FRONT)||Fully adj. 48 mm, inverted fork / 310 mm (12.2″) wheel travel|
|SUSPENSION (REAR)||Fully adj. Monocross / 318 mm (12.5″) wheel travel|
|BRAKES (FRONT)||270 mm, floating disc / twin piston caliper|
|BRAKES (REAR)||245 mm disc / single piston caliper|
|LENGTH||2,174 mm (85.6″)|
|WIDTH||825 mm (32.5″)|
|HEIGHT||1,270 mm (50″)|
|WHEELBASE||1,481 mm (58.3″)|
|GROUND CLEARANCE||320 mm (12.6″)|
|SEAT HEIGHT||955 mm (37.6″)|
|FUEL CAPACITY||8.2 litres (1.8 imp. gallons)|
|WET WEIGHT||111 kg (245 lb)|
|COLOUR(S)||Yamaha Racing Blue|
2021 Yamaha YZ250FX – Totalmotorcycle.com European Specifications/Technical Details
Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).