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Why did the "Normal" valve win? Poppet valves vs. Sleeve Valves vs. Rotary valves.
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Four Banger: How the inline-four was inevitable for motorcycles.
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Hello Sparky! History of Ignition, Spark! Open Flame! Hot Tube! What?!
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Why Steel Pistons and Cylinder Heads? Why Now?
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Torque! Tolerance! HOW HARD DO WE TURN THE WRENCH?! Feel? Force? Learn about tightening bolts.
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Why OVERHEAD CAMS and How Did WE GET HERE?
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Piston Rings! The Tiny Parts that Make Piston Engines Possible!
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Are Racers and Crew Chiefs Human? Inside the minds and talents of the world's best!
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MORE Dream Bikes from the Mecum Las Vegas Auction 2026!
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Are HYBRID Motorcycles Dumb?
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DREAM BIKES: Kevin & Mark's favorite Bikes from the Mecum Las Vegas Motorcycle Auction!
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Harley-Davidson Big Twin, Knucklehead to Now!
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How MOTORCYCLES improved because of AIRCRAFT!
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Where did Norton Motorcycles come from and why do we love them so much?
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EICMA! New Motorcycles From the Biggest Show of the Year! China, India, Japan, Baggers!
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How Ducati history might have changed! The 60-year-old V-4 that never made production.
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The GREAT Dan Gurney: MOTORCYCLE ENTHUSIAST and ENGINE DESIGNER! The 280-hp Moment-Canceling TWIN!
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EMPIRE OF RPM: Learn How HONDA built its MOTORCYCLE BUSINESS ON REVS
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How Exhaust Pipes MAKE POWER (or KILL IT!)
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Makin' FLAMES! The ART and SCIENCE of mixing FUEL and AIR.
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Ninja! Kawasaki's brand within a brand and how it came to mean "Sportbike" to the masses.
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Fun With Materials: What are Motorcycles Made of and Why?
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Yamaha V4 vs. Inline Four! Will a new engine design save Yamaha in MotoGP?
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HOW FAST COULD WE GO?! What's making new motorcycles slower than they should be?
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SHAKE IT! Does Vibration Eat Horsepower?
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How has Honda Sold MORE THAN 100 MILLION SUPER CUBS?!
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How Emissions Regulations Improved Motorcycles
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Ran when parked?! HOW TO GET AN OLD MOTORCYCLE RUNNING!
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10 Crazy Cool Concept Bikes You Probably Don't Remember
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CONSISTENCY IS EVERYTHING! Kevin Cameron gets molecular on Cyclic Variation. What?! Listen to learn!
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INSIDE THE HOT ROOM! The magic in your motorcycle engine's combustion chamber.
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Do YOU know about these 7 (or so) STRANGE MOTORCYCLES that made it to market?
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GOING IT ALONE: When Kenny Roberts Quit Yamaha and Built his own MotoGP bikes FROM SCRATCH
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SUZUKI in GRAND PRIX racing! Sheene, Schwantz, Gammas, the Suzuki Amazing GP Journey.
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Inside Legendary Honda V-4!
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The Unlikely Success of Triumph's Modern Rebirth!
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MORE "NEW" Tech that's actually really OLD!
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The Remarkable Endurance of the BMW Boxer--More than 100 Years of Flat-Twin
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FABULOUS or FAILURE? The Harley-Davidson VR1000 Superbike.
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V8 Airplane engine in a MOTORCYCLE! The Amazing Glenn Curtiss. Was his 136-mph speed record real?
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The Single GREATEST Motorcycle HANDLING REVOLUTION: What's a FEATHERBED?
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The Surprising Origins of the Harley-Davidson Softail!
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"NEW" Technology You Didn't Know Was Really Old!
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The rise of INDIAN Motorcycle in American V-Twins and the power of brand.
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Rider Aids: Electronic or otherwise! What ARE they, REALLY, and what were the first ones?
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How is DUCATI DOMINATING MotoGP and what secrets do the Italians have?
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Original SUPERBIKE: How the 1969 HONDA CB750 Changed Motorcycling Forever!
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Why was MAGNIFICENT Moto Guzzi 500cc V-8 Grand Prix Racing Motorcycle Killed in 1957?
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How the MODERN MOTORCYCLE is MADE: Good + Affordable!
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MILLIONS of Harley-Davidson SPORTSTERs have been sold. Why?
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The SECRETS of how ROYAL-ENFIELD is TAKING OVER the WORLD!
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The TOP 6(ish) MOTORCYCLES and TECHNOLOGY that changed everything!
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CALIFORNIA HOT ROD: The V-twin Ducati that made the brand in America in the 1970s
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The Modern In-line 4 Sportbike was invented 100 years ago! The story of Gilera and Rondine.
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Widowmaker or Landmark Superbikes?! Kawasaki's Legendary 500cc & 750cc two-stroke Triples.
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Brough Superior: Parts-Bin Specials or the Finest Motorcycles Ever Made?
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What if TWO-STROKE STREETBIKES SURVIVED?
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Alien Chassis Technology! Amazing Bimota motorcycles from the 1970s to today!
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Peter Egan Special Guest!
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DREAM BIKES: Kevin and Mark make their top pics from the Mecum Las Vegas Motorcycle Auction
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HARLEY vs. TRIUMPH, the CALTECH WIND-TUNNEL, and the ACCIDENTAL birth of 750cc racing
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Honda's AMAZING Grand Prix Racers of the 1960s—From Scooters to World Championships!
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GRAND PRIX GLORY: MV Agusta in World Championship racing from 1950s to the rise of the two-stroke!
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The LONG, STRANGE trip for the American Sportbike: All about BUELL!
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STOP! All about BRAKES
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How the TWO-STROKE EXPANSION CHAMBER WORKS and Where It Came From (call it Acoustic Supercharging)
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WHY Did Honda use an ELECTRIC SUPERCHARGER on its V3 Concept internal combustion MOTORCYCLE?
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EVERYTHING about Honda's DOMINATING RS750 FLAT TRACK RACER of the 1980s
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What is HANDLING? I know it when I feel it... Are there magic numbers that make a bike steer great?
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Biggest motorcycle race of the year?! King Kenny Rides again at the AMAZING BARBER VINTAGE FESTIVAL!
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FAVORITE TOOLS: The most INTERESTING and USEFUL tools in our shop!
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STILL SMOKING! Yamaha’s RD350 Giant KILLER two-stroke of the 1970s
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The (TWO)-STROKE of Genius: HONDA NSR500, BIG BANG, SCREAMER, the ultimate Grand Prix Bike.
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OUTLAWED! The WHOLE story behind the Indian FTR750 flat-track racer.
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What's up with SYNTHETIC fuels, ETHANOL and MOTORCYCLES?! (ENERGY STORAGE)
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THE FIRST ADVENTURE BIKE: Where'd the Legendary BMW GS come from and where's it going?
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JUST HOT ENOUGH! Combustion heat to tire heat to radiators, oil cooling and more: Heat Management!
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The DIRT TRACKER that WOULDN'T DIE: Harley-Davidson XR-750 introduced 50 years ago (Still Can Win)
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What is V-SQUARED damping and how YOUR SUSPENSION really WORKS!
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The WEIRDNESS of METALS is what makes them so GREAT—MELTY, MALLEABLE, M-AWESOME
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VALVE FLOAT! Mysteries of cam profiles! The intricacy of CONTROLLING VALVES in engines!
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KTM's massive TRANSFORMATION from QUIRKY dirt bike maker to GLOBAL MOBILITY company
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Why the TELESCOPIC FORK keeps WINNING—Alternative front suspension FAILS!
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"50-mile Engines": TOURING Bikes Turned Into RACE WINNERS!—BMW's Impossible 1970s AMA Superbikes.
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The History of Ducati: A State of Permanent Revolution
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The Legendary Kawasaki Z1—FIRST inline-four SUPERBIKE?
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OVAL PISTON Hondas: All about The MYTHICAL NR500 RACER and $60,000 NR750 Streetbike (Failures?)
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AIR! ALL about AIR and how we get it TO FLOW into ENGINES
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How Honda Gold Wing INVENTED and DOMINATED Luxury Touring for 50 years.
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SPEED DEMON Yamaha TZ750 had TOO MUCH of EVERYTHING!
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CRAZY SUSPENSION and UNREAL PERFORMANCE. The AMAZING BRITTEN V1000 motorcycle CONQUERED the world!
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Are RULES KILLING Racing?
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HOW has Harley-Davidson sold MILLIONS of MOTORCYCLES?
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The MYSTERIES of CARBURETOR tuning EXPLAINED!
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How the AMAZING GSX-R750 Became the SOUL of SUZUKI and Changed Motorcycling
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What's BEST? All About Motorcycle FINAL DRIVES: Chain, Belt, + Shaft.
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How to BREAK IN your Motorcycle ENGINE: What's BEST?
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How and why MOTORCYCLE parts BREAK
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The SECRETS of great MOTORCYCLE TIRES
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What OIL do I use in my MOTORCYCLE?
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