Motorcycle Maintenance

SR Archive: Behind the Doors of HRC

This article was originally published in the 1999 December issue of Sport Rider. Sport Rider got an inside look at just what goes on behind the HRC doors. Photography by Bill Greer In the world of motorcycle racing, there’s a three-letter acronym that strikes fear and awe in the hearts of competitors everywhere: HRC. The […]

Motorcycle Maintenance

Ask the Geek: How Seamless Transmissions Work

Diagram Courtesy of US Patent Office This diagram, seen in several patents related to Honda’s seamless transmission, shows the system of ratcheting pawls (red arrows) that lock each gear to the output shaft to transmit power. Pins inside the shaft extend outward to engage each gear, but when the pins retract and the next gear […]

Motorcycle Maintenance

Road Test Index Updated

Our Sport Bike Road Test Index has been updated with all the latest online first rides, road tests and comparison tests. The Index references everything from our 2016 Ducati Monster 1200 R first ride review all the way back to our road test of the 1994 Kawasaki EX500. Whether you think you may have missed […]

Motorcycle Maintenance

Top 5 Sport Bike Tech Articles

Motorcycle riders, and especially sportbike riders, are typically very interested in the technical aspects of riding and their motorcycles. Articles of this nature have long been a staple of Sport Rider magazine, and here we have compiled a list of the five most popular technical articles on the Sport Rider website. We based the selection […]

Motorcycle Maintenance

Ask the Geek: Slipper Clutches

Sport Rider These two pieces make up the inner hub of the slipper clutch used on the Honda CBR1000RR. The intricate angles on the interlocking ramps determine how much the parts separate on deceleration and how much they are forced together on acceleration. How does a slipper clutch work, and why do I need one? […]

Motorcycle Maintenance

Break-In Procedure | Ask the Geek

Photo Courtesy of Kawasaki Zero miles on the odometer. Do you really want to put your brand new bike on the dyno? I just picked up a new Kawasaki ZX-6R and am wondering about break-in procedure. In the owner’s manual it says to keep rpm under 4,000 for the first 500 miles then under 6,000 […]

Motorcycle Maintenance

Active versus Semi-Active Suspension | Ask the Geek

I love F1 Racing, car technology, and how all of it ends up in sportbikes. Can you explain how the dynamic damping control and semi-active suspension varies from active suspension that was outlawed in F1 Racing in 1993? Does the BMW HP4 have active suspension, since it measures conditions at 100 hertz? Is the technology […]

Motorcycle Maintenance

Inside the 2017 Suzuki GSX-R1000 Part 1: Chassis and Electronics

Suzuki recently unveiled its new GSX-R1000 and GSX-R1000R at the Intermot show, and the new bike is packed with updates and new features. Here we look at the chassis and electronics of the updated GSX-R, through a series of images release by Suzuki. Scroll through the gallery to learn more about the new GSX-R1000 and […]

Motorcycle Maintenance

Inside the 2017 Suzuki GSX-R1000 Part 2: Engine

Last week we looked at the chassis and electronics of the 2017 Suzuki GSX-R1000 and GSX-R1000R, this week we will take a closer look at the new bike’s engine via a gallery of images from Suzuki. The engine is significantly updated from the previous GSX-R’s powerplant, with different bore and stroke measurements, the addition of […]

Motorcycle Maintenance

Motorcycle Batteries: The Difference Between Lead-Acid and Lithium-Based Batteries

Courtesy of Yuasa and Bosch Understanding which motorcycle battery is right for you—we take a look at the traditional lead-acid technology and the rise of lithium-iron. The unfortunate reality of the batteries in our motorcycles is that we never think of them until that moment we hit the starter button only to hear the telltale […]