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Testing Air-filter Assemblies fitted to Fuel-Injected Twin Cam Engines

Rider Contributor
July 28, 2006

In our August 2001 issue, we flow-tested air-cleaner kits on the K&N Powersports flow bench. Those filters were designed to fit carbureted Evolution engines. Now the Twin Cam is king, and more than half of the bikes currently rolling off the H-D assembly line are fuel-injected models. So, for this... Read more »

Retrospective: Honda CBR1000F Hurricane: 1987-1988

1987 Honda CBR1000F Hurricane.

Clement Salvadori
April 20, 2006

(This Retrospective article appeared in the April 2006 issue of Rider Magazine.) When this big Honda appeared in 1987, it swept through the motorcycle world like a Category 3 hurricane sweeps across Florida…sorry, could not resist. With more horsepower, more speed than any previous liter bike, it ratcheted... Read more »

V-twin Tech: 95 Conversion

Rider Magazine
January 25, 2006

Current stock Harley-Davidson Twin Cams have enough power for most uses, but not “more than enough.” More than enough is what most riders want, and that’s what we’re offering here. We’ll show you how to get a very real and very useful 33 percent or more gain in performance... Read more »

V-twin Tech: Dyna Tech

Rider Magazine
October 29, 2005

The six-speed Cruise Drive transmission has larger bearings and gears, and a stiffer housing, which increases the transmission’s torque capacity by 28 percent. The engine’s external oil lines have been eliminated by providing integral oil passageways within the gearbox. The new gearbox has... Read more »

V-Twin Tech: All About Detonation

Rider Magazine
October 24, 2005

Rather than go into the technical causes of detonation, I shall consider only its practical and common causes in late model Harley-Davidson air-cooled twins. By the way, stock Harleys seldom suffer detonation, but then, there are few stock Harleys on the road. Detonation is a practical problem for many... Read more »

V-twin Tech: The Starter Problem

Rider Magazine
October 24, 2005

Starting a high performance Harley engine can be a difficult matter and it has been for several decades. Now, however, the problem has become more than merely difficult. Back in the Shovelhead days, the main difficulty was getting enough power out of the starter to turn a high-compression engine. Some... Read more »

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