2024 KTM 990 Duke First Ride Review
Cycle World | Supermoto
by Bradley Adams
20h ago
The 990 Duke is not a remake of the 890 Duke R, but an entirely new platform for KTM, who says the bike is 96 percent new compared to the 890. (KTM/) In introducing the 2024 990 Duke, KTM has almost removed itself from conversations on best middleweight naked bike and entered the debate over best naked bike, regardless of size. That is assuming you can live without the gut-punching, high-horsepower performance of the more sadistic super-nakeds, like Aprilia’s Tuono V4, BMW’s S 1000 R, Ducati’s Streetfighter V4, and KTM’s own 1390 Super Duke R Evo. There’s a place for those bikes. But in ridin ..read more
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How To Watch Daytona 200 and MotoAmerica 2024
Cycle World | Supermoto
by Blake Conner
1d ago
This year’s Daytona 200 will include 67 riders from 13 countries on five brands of motorcycles. (Brian J. Nelson/) As we rev up for another season of MotoAmerica competition, one thing is clear: For the 10th year in a row the series has continued to grow. There is no doubt that part of this stems from the fact that the series has embraced change, tried new classes, and modified others to ensure that the racing remains the star of the show. As buyers’ tastes have evolved over the years with the bikes they purchase, MotoAmerica has paid attention and made those adjustments. In 2023, the series ..read more
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Dentist Turned Moto Guzzi Wizard John Wittner Dies
Cycle World | Supermoto
by Kevin Cameron
2d ago
John Wittner, aka Dr. John, with his Moto Guzzi Le Mans. (Paul Eric Smith/Cycle World Archives/) In one of the first conversations I ever had with John Wittner, he told me about himself and his former aeronautical engineer dad, using a window fan and yarn tufts to learn something about how cooling air flowed around the projecting cylinders of his Battle of the Twins Moto Guzzi Le Mans. Small adjustments produced a useful improvement in cooling. John was studious and meticulous. One evening at a Midwestern AMA event in 1988 I saw him still at work, measuring valve clearances on the new four-va ..read more
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QJMotor’s Unusual Supermono Engine
Cycle World | Supermoto
by Ben Purvis
2d ago
QJMotor has filed patents for a single-cylinder engine that utilizes a second dummy cylinder as a counterbalancer. (QJMotor/) We normally define an engine by its number of cylinders: Singles, twins, triples, and fours are all commonplace. However, a new design by China’s QJMotor throws those definitions into chaos, as it has only one “active” cylinder, but it’s also a V-twin with a second cylinder and piston used purely as a counterbalancer. The idea of converting a V-twin into a single isn’t new. Ducati famously created its 1990s Supermono racer by lopping the rear cylinder from its Desmoqua ..read more
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GasGas to Showcase New Electric-Powered Prototype Trial Bike in Spain
Cycle World | Supermoto
by The Wire
2d ago
GasGas to Showcase New Electric-Powered Prototype Trial Bike in Spain (GasGas/) GasGas Press Release: As a world leader in trial bike manufacturing, GASGAS has been evolving its own electric-powered trial bike – the TXE – for several years. Fast forward to 2024 and up next on the development program for the exciting new model is to bring it back to competition, which is where GASGAS Factory Racing star, Sondre Haga, steps in. This weekend, the former Trial2 World Champion will compete at the Spanish Trial Championship aboard the TXE and we’re excited to see how he gets on. Good luck, Son ..read more
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Triumph Street Triple 765 RS to Race in Daytona 200
Cycle World | Supermoto
by The Wire
2d ago
Triumph Street Triple 765 RS to Race in Daytona 200 (Triumph/) Triumph Press Release: The PHR (Peter Hickman Racing) Performance Team, supported by FreedomRoad Financial, will head to the USA in March this year to tackle the Daytona 200, with racers Peter Hickman and Richard Cooper setting their sights on clinching another victory aboard a Triumph Street Triple 765 RS. Hickman’s PHR Performance Team will be preparing two Street Triple 765 RS bikes in the UK, with the official support of Triumph. Now in its 82nd year, the Daytona 200 runs on March 9th at the famed Daytona International Speedwa ..read more
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2024 Indian FTR x RSD Super Hooligan First Look
Cycle World | Supermoto
by Andrew Cherney
3d ago
Indian’s new 2024 FTR x RSD Super Hooligan pays tribute to the brand’s 2023 SHNC series crown. (Indian Motorcycle/) Last year, Indian announced a limited-edition FTR bike that was tricked out by the action-sports brand 100% for the 2024 model year. That bike was a legitimately striking, carbon fiber–clad machine, but it also led us to wonder, hey, where’s the collaboration with Roland Sands? After all, the dude basically created the Super Hooligan category (welcoming the FTR750 in the process), which Indian is currently the main sponsor of. And the fact that Tyler O’Hara aboard an Indian FTR ..read more
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2024 Triumph Speed 400 and Scrambler 400 X Review
Cycle World | Supermoto
by Justin Dawes
4d ago
Both the Speed 400 ($4,995) and Scrambler 400 X ($5,595) are meant to grab Triumph customers and keep them for life. (Triumph Motorcycles/) Triumph’s 2024 Speed 400 and Scrambler 400 X are good, real good. Scratch that, one is great, and one is really good. Which is which? The answer might surprise you. After riding both back to back, one of the new Indian-manufactured singles sits near the top of the best motorcycles I’ve tested in the last couple of years. How Triumph has done it is nothing short of remarkable. It knows the stakes in the smaller-displacement space is high (this is where new ..read more
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Aprilia All Stars 2024 - 8 June in Misano
Cycle World | Supermoto
by The Wire
4d ago
Aprilia All Stars 2024 - 8 June in Misano (Aprilia/) Aprilia Press Release: The Aprilia All Stars event is back, the huge Aprilia festival that gives motorsport fans a unique day of incredible bikes and legendary champions. Misano World Circuit, Saturday, 8 June is the date and place that fans will want to put on their calendars and not miss. A unique opportunity - entirely free - to see and enjoy firsthand the on-track performance of the magnificent Aprilia RS-GP machines participating in the MotoGP championship and meet the riders. As always, the brightest stars will be the Aprilia Racing r ..read more
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Fuel-Mixture Formation
Cycle World | Supermoto
by Kevin Cameron
1w ago
Kevin Cameron has been writing about motorcycles for nearly 50 years, first for <em>Cycle magazine</em> and, since 1992, for <em>Cycle World</em>. (Robert Martin/) The spark ignition piston engines that power most motorcycles burn a mixture of a volatile liquid hydrocarbon and air. Mixture formation is the process of achieving an accurately proportioned, uniform, and easily ignitable mixture of air and fuel vapor. In combustion, the hydrogen and carbon atoms in the liquid fuel are allowed to combine with the 21 percent of atmospheric air that is oxygen, transforming hi ..read more
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