If you watched any of the 2020 Lucas Oil Pro motocross series, you might think that the Yamaha YZ250F is the all-time horsepower king of the 250 class. If you want a little more top or bottom, some adjustability is possible through Yamaha’s Power Tuner app. You also have the option to opt-out of these cookies. Also for: 2009 yz250f, 2009 yz250fy. Still, the Star bikes are so fast, we can’t say that the cam-over-bucket design is dead. YZ FAMILY VALUES Yamaha Factory Racing. The irony is that even this YZ would have been considered a screamer by the standards of just four years ago. Came out of a 2021 YZ250F but will fit 2019 -2021. YZ250F(Y) motorcycle pdf manual download. Their rev map this year was a hands-down winner. © 2021 - Dirt Bike Magazine. We always look forward to the maps that the Yamaha testing department comes up with each year. In 2018, Honda left the club and went all in for peak power. You can’t change a Yamaha into a KTM, but you can make a difference. It still uses double overhead cams positioned directly over the valve buckets, whereas Honda, KTM, Husqvarna and Kawasaki all use finger-followers for additional leverage to open the valves. We documented peak figures of 53.0 hp at 9,600 rpm and 32.9 pound-feet of torque at 7,100 rpm. Shock Dimensions Nitrogen Pressure 142 psi Shock Shaft Outer Diameter 16 mm Features may include: ENGINE. Even the best riders operate in the half-to-three-quarter range, and that’s where the Yamaha shines. For 2021, the engine has been updated with new cylinder head featuring a new air intake system, an improved intake port shape, new exhaust camshaft profile, and an updated ECUâall to produce stronger mid- to top-end power and increased peak power, while retaining its class-leading low-end torque. If you want to get more insight on the 2021 YZ250F, head over to âThe Keefer Tested Podcastâ and listen to all of this and then some. Yamahas also have a distinct flavor in the overall handling department. We weren’t sure if that was going to change for 2021. Complete Rekluse Torque Drive system, has 4 hours of use total. You can always count on some things to be constants in the motocross world. Frame all-that performance chassis as 2021 levels. Their rev map this year was a hands-down winner. 2020/2021 YZ450F map - TP5 (Connected Response/Torquey) Connected Response / Torquey + Low to mid torque & power pull feeling + Exciting power character with good control. As in the past, the spring and valving rates favor bigger/heavier riders but have a broad range of adjustability. Other changes include a beefed-up front brake, a smaller rear brake rotor and new suspension valving. It even out-pulls the Honda and the new Kawasaki for a brief moment as the motor ramps up. Check out all of the Off-Road accessories that Yamaha has to offer. 6. We have tried to do better ourselves, but Steve Butler, Stevie Tokarski and Travis Preston are really good at what they do. Settings in performance, the with confidence. That’s because the class has undergone rapid evolution in a very short time. and search “Riding the 2021 Yamaha YZ250F.” Technically, you should be able to download maps from Yamaha’s website, but this is hit-and-miss depending on your phone. This is a great feature—that’s clear from the way that other manufacturers are scrambling to develop their own versions. All Rights Reserved. The YZ identity as the easiest, most user-friendly bike in the 250 world will go unchallenged in 2021. Donât fret though as this engine is still vet friendly and very easy to lug around compared to the other more exciting top ⦠For years, the KTM was the high-rev king, while Honda, Yamaha and Kawasaki took turns ruling the underworld of low-rpm torque. Be forewarned: there are 48 numbers to plug in. Have things changed for 2021? The bike looks virtually identical to the 2020 version, but Yamaha was hinting about significant internal changes. This website uses cookies to improve your experience. John Cabral and Harry Gunusen chat about America’s fastest Pro Street Bagger. The hopped-up YZ250 peaked at 49 horsepower at 8500 rpm, while the his full-race YZ250F peaked at 49 horsepower at 13,500 rpm. If the 2021 YZ250 is Yamahaâs entry into professional national motocross, the YZ250F is designed to jump another class up into lower level supercross and pro 4-stroke motocross. These cookies will be stored in your browser only with your consent. Necessary cookies are absolutely essential for the website to function properly. Starting with model year 2021, Yamaha YZ/WR OWNER'S SERVICE MANUALS are a free to view service provided by Yamaha Motor Corp., U.S.A., allowing you to download and/or view your Owner's Service Manual anytime, anywhere. It still comes on at lower rpm than anything currently in the class—only the Suzuki comes close. The new 250cc, liquid-cooled, four-stroke, electric start engine features an all-new cylinder head with an improved intake port shape and new camshaft profile, as well a new airbox and intake track, a new silencer, and an updated ECU. This category only includes cookies that ensures basic functionalities and security features of the website. As part of the necessary research for Dirt ⦠To explain: On the dyno, the throttle is always wide open, even when measuring the low-rpm ranges. Where does the new Yamaha sit in the world order? 2021 Yamaha YZ250F TUNE, RACE, WIN. And because the 2021 YZ250FX boasts just BNG, this test applies to the 2021 model as well. We also use third-party cookies that help us analyze and understand how you use this website. Yamahaâs valve train is a little old-school. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. On the track, the throttle is rarely pinned to the stop. 4. It’s a big-feeling bike overall, but tall riders still say they’re a little cramped. While it may ⦠2021 1. You gotta wonder, though, how much of that is Yamaha and how much is factory secret sauce? With a higher-performing engine, an updated lightweight frame, and more, the YZ250F is engineered to race - and win - like a champion. For most riders in the real world, that’s not a bad formula. This website uses cookies to improve your experience while you navigate through the website. American Turbo Power: https://www.facebook.com/American-turbo-power-511231132290263, Augustine Herrera (rider) https://www.facebook.com/augustine.herrera, Herrera Racing https://www.facebook.com/Herrera-Racing-200375816753000, Original story: https://ultimatemotorcycling.com/2020/02/14/8-second-harley-street-glide-chat-with-builder-harry-gunusen/, The Fastest Bagger in America! We'll assume you're ok with this, but you can opt-out if you wish. 2021 YZ/WR OWNERâS SERVICE MANUALS. Ride a YZ, WR, or TT-R at an Off-Road Demo Event near you. When you really start screaming, the Yamaha hangs in there, but it’s clear that the motor is running out of steam. www.dirtbikemagazine.com and search “Riding the 2021 Yamaha YZ250F.” Technically, you should be able to download maps from Yamaha’s website, but this is hit-and-miss depending on your phone. For 2020, the 250FX, Yamahaâs off-road racer, was completely redesigned with an updated engine and chassis. NATIONAL ENDURO VIDEO RECAP: THE CAJUN CLASSIC, KTM 300 2-STROKE PROJECT: BEHIND THE BUILD, HONDA’S GREATEST BIKE: THE CR250R TWO-STROKE. 3. The caliperâs piston size is increased by ⦠New 2021 YZ250F: Tune, Race, Win The new 2021 Yamaha YZ250F has been redesigned for a more competitive, greater performing motocross experience. With smoother chassis movement, the rider is able to make the most of the engine's exceptional power with greater confidence. Another interesting fact ⦠Powered by a 250cc 4-stroke, liquid-cooled single cylinder, this beast, along with others in the 2021 Yamaha lineup, is not to be scoffed at on the start line.. McGrath Acura of Downtown Chicago 1301 N. Elston Ave Chicago, IL 60642 Sales: 773-756-5717 Service: 773-985-0482 Parts: 773-295-9565 Download Map File. With a higher-performing engine, an updated lightweight frame, and more, the YZ250F is engineered to race - and win - like a champion. The most reliable method is to input the values one by one. In 2020, the KX250’s valve train was redesigned, giving up what had been the best torque in the class for high-rpm scream. 2020/2021 YZ450F map - Magic Map (Controlled Acceleration) ... 2019 YZ250F map - ⦠All-Intake flow shape joint. The most reliable method is to input the values one by one. Innovative and Upgraded Engine It is mandatory to procure user consent prior to running these cookies on your website. Enhancements basket, refined durability. Systems new new rotormore performance. The Yamaha’s chassis got some invisible changes in construction, which were introduced on the YZ450F in 2020. Yamaha was once again at the bottom of the class when it came to peak power. Itâs hard to believe, but the bLU cRU again made improvements for the majority with this bike, even in power so it isnât going to get any easier for the other 250Fs. Even if the 2021 Yamaha YZ250F hasnât changed that much, its role in the 250 motocross world has. Amateur Racing Support program. One is the fact that the YZ has excellent suspension. Even the best riders operate in the half-to-three-quarter range, and that’s where the Yamaha shines. It starts to taper off just when the screamers of the class are going crazy. If you want a little more top or bottom, some adjustability is possible through Yamaha’s Power Tuner app. New 2021 YZ250F: Tune, Race, Win The new 2021 Yamaha YZ65 has been redesigned for a more competitive, greater performing motocross experience. The lower midrange is where the dirty work of racing happens for almost everyone. Yamaha followed half-heartedly in 2019; the new electric-start version traded away some low-end power for a little more on top, but not nearly to the extent that Honda had. Even if the 2021 Yamaha YZ250F hasn’t changed that much, its role in the 250 motocross world has. Powered by a 250cc 2-stroke, liquid-cooled, crankcase reed-valve single The triple clamps are said to be less rigid, while the front axle is larger and presumably more rigid. With a higher-performing engine, an updated lightweight frame, and more, the YZ250F is engineered to race - and win - like a champion. Innovative and Upgraded Engine Another interesting fact ⦠2021 Yamaha YZ250F, 2021 Yamaha YZ250F TUNE, RACE, WIN With a higher-performing engine, an updated lightweight frame, and more, the YZ250F is engineered to race - and win - like a champion. 2021 Yamaha YZ250F Suspension & Chassis/Handling. The âfree feelingâ map takes the the nice torque feel of the YZ250F and tailors it to make the bike feel free-er on de-cel. It’s a very stable package. The lower midrange is where the dirty work of racing happens for almost everyone. For a screenshot of the map, go to The kicker ⦠Yamaha messed with minor details again for 2021, but the basic formula still works. (Note: YZ65 and YZ85 not included). 2021 Yamaha WR250F â Totalmotorcycle.com European Specifications/Technical Details Engine Engine type Single cylinder;Liquid-cooled;4-stroke;4-valves;DOHC Displacement 250cc Bore x stroke 77.0 mm x 53.6 mm Compression ratio 13.8 : 1 Maximum power â Maximum torque â Lubrication system Wet sump Clutch type Wet;Multiple Disc Ignition system TCI Starter system Electric Transmission ⦠The 2021 YZ250F features revised damping front and rear tuned in concert with the updated chassis to improve cornering performance, traction, and bump absorption. 2021 Yamaha YZ250F Engine All five bikes in the comparison test were run on the Dirt Rider dyno before the on-track testing commenced, where the YZ250F ⦠Contents Model Overview Specifications Features Photos Videos Links The 2021 YZ250 is Yamahaâs entry into professional national motocross. 2021 - YAMAHA YZ250F 2021. Many prefer the tall saddle from Yamaha’s accessory department. LOOKS THE SAME, TASTES DIFFERENT On the track, the throttle is rarely pinned to the stop. 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For years, the KTM was the high-rev king, while Honda, Yamaha and Kawasaki took turns ruling the underworld of low-rpm torque. Thatâs because the class has undergone rapid evolution in a very short time. Essentially, itâs a YZ250F at heart, with just a few modifications to transform it into an off-road machine. KTM, Husqvarna, Honda, Kawasaki and now GasGas will continue to appeal more to the revvers of the class who will sacrifice it all for every scrap of peak power. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Likewise, Yamaha’s ergos have become very distinctive. Clearly, some simplification is needed here. Features may include: ENGINE. Off-Road Demos. Again, that hasn’t really changed in 15 years. You pick your line and gas it. The intake port has been reshaped, the Mikuni throttle body is larger, the air boot was reshaped and the airbox lid is vented. For a screenshot of the map, go to. The 2021 YZ250 has very few changes in the valve train aside from a redesigned exhaust cam. The bike has more peak power than before, and it lost none of its low-rpm appeal. The bikes ridden by Dylan Ferrandis, Justin Cooper and the other Star Racing/Monster Energy team members were the fastest machines on the track, hands down. All this is aimed at making the chassis more compliant in some planes and stiffer in others. The fork is a coil-spring KYB SSS unit, and the rear suspension has changed very little over the years. Both work exceptionally well. 2021 Off-Road Accessories Catalog. 2021 Yamaha YZ250F TUNE, RACE, WIN. The ECU has a new curve, and there have also been durability changes to the cam chain, cam-chain tensioner, gearbox, clutch basket and water pump. The motor is noticeably stronger and ⦠This is real-world power, too, not just dyno power. Even though it has changed dramatically over time, the motocross world has changed more. These cookies do not store any personal information. The Yamaha has a history of being torquey and easy to ride but not especially fast. bLU cRU. This is a great feature—that’s clear from the way that other manufacturers are scrambling to develop their own versions. Kawasaki was next. The clickers are that effective. We ran the YZ250F on our rear-wheel dyno to ⦠The new 2021 Yamaha YZ250F has been redesigned for a more competitive, greater performing motocross experience. This allows you to adjust fuel mixture and spark advance through Wi-Fi connectivity to your phone. The 2021 Yamaha YZ250: MotoCross Competition With A Big Engine! The happy zone is a 170-pound intermediate, but even a 140-pound Novice can get away with the stock hardware. Once you get past the fact that the top end of the Yamaha motor has the intake in front and the exhaust in back, it’s actually a little old-school. Nestled in the new aluminum frame lies the YZ250Fâs liquid-cooled, DOHC, 250cc four-stroke engine. Most of the emphasis has been in improving airflow into the motor. It still uses double overhead cam positioned directly over the valve buckets, whereas Honda, KTM, Husqvarna and Kawasaki all use finger followers for additional leverage to open the valves. Powering this Japanese motorcycle is a liquid-cooled, DOHC, four-valve, 250cc four-stroke engine. Be forewarned: there are 48 numbers to plug in. SALT LAKE CITY 2 SUPERCROSS RESULTS: WEBB RISKS IT ALL! Engine tuners say that finger-followers are especially beneficial for peak power. First things first, Yamaha’s modest changes were fairly effective. View and Download Yamaha YZ250F(Y) owner's service manual online. Dirt Bike Magazine - Best selling off road motorcycle magazine. That holds true in the turns as well as in the straights. As far as peak torque, the 2021 YZ250F spins 18.0 pound-feet at 9,700 rpm, which is 0.5 pound-feet less at peak than the 2020. We always look forward to the maps that the Yamaha testing department comes up with each year. To explain: On the dyno, the throttle is always wide open, even when measuring the low-rpm ranges. The 2021 Yamaha YZ250F weighs 227 without fuel on Dirt Bikeâs digital scale. Overall, the 2021 Yamaha YZ250F is a very good bike. 5. You can also move the bars forward or backward to suit your style. You can’t change a Yamaha into a KTM, but you can make a difference. As far as peak torque, the 2021 YZ250F spins 18.0 pound-feet at 9,700 rpm, which is 0.5 pound-feet less at peak than the 2020. 2021 YZ250F Blue Charge* dealer. New 2021 YZ250F: Tune, Race, Win The new 2021 Yamaha YZ85 has been redesigned for a more competitive, greater performing motocross experience. News, Calendar, Team & Rider information. CHANGING SCENERY 2021 Yamaha YZ450FX Dyno Chart Robert Martin 2021 ⦠The engine top mounts were changed from aluminum to steel, while the front mounts were changed from steel to aluminum. Once you commit to a line in any given turn, the YZ follows its course like a bloodhound. This allows you to adjust fuel mixture and spark advance through Wi-Fi connectivity to your phone. But opting out of some of these cookies may affect your browsing experience. The 2021 YZ250F chassis is exactly why you donât judge a book by its cover. For 2021, the engine has been updated with new cylinder head featuring a new air intake system, an improved intake port shape, new exhaust camshaft profile, and an updated ECUâall to produce stronger mid- to top-end power and increased peak power, while retaining its class-leading low-end torque. On the other side of the motor, the exhaust system was redesigned with a longer canister. This is real-world power, too, not just dyno power. AN OLIVEIRA STORM HITS LAKE HAVASU VIKINGS GP: 2021 NGPC ROUND 5 PRO RESULTS, 1983 HONDA CR480R PROJECT BY PETE TREADWELL: TWO-STROKE TUESDAY, 2003 KAWASAKI KX144 RESTYLE PROJECT: TWO-STROKE TUESDAY, SLR HONDA DOMINATES HILLTOPPERS GP: 2021 NGPC ROUND 4, PMX RACING SUZUKI TWO-STROKE PROJECTS: TWO-STROKE TUESDAY, 2021 WISECO TWO-STROKE CHAMPIONSHIP: BIG CRASHES & LAST MINUTE SUBSTITUTIONS, COLE TOMPKINS HONDA CR250R REBUILD: TWO-STROKE TUESDAY, 2007 HONDA CR250 RESTYLE PROJECT: TWO-STROKE TUESDAY, LIGHTEST HONDA CR125 EVER BUILT: TWO-STROKE TUESDAY, BODY PROTECTION: LEATT HERITAGE VIDEO SERIES EPISODE THREE. In the middle, though, the Yamaha comes on much harder than the Suzuki. All-Head of all-improved an moreâmid- top -power class-low-end torque. If you would like to purchase a printed version, select âBuy Online.â For most riders in the real world, that’s not a bad formula. Engine: The 2021 YZ250F still has the best torque in class, but it did lose just a little bottom end roll on power compared to the 2020 version. Clearly, some simplification is needed here. Yamaha also updated the front brake, and itâs aggressive. 2. We have tried to do better ourselves, but Steve Butler, Stevie Tokarski and Travis Preston are really good at what they do.