Harley Performance – What’s New

Harley-Davidson "Genuine" Motor Oil Wear Comparison In Industry Standard Four-Ball Wear Testing, Harley Davidson's Own "Genuine" Motor Oil Produces the Highest Wear Scar vs. Other Leading Motorcycle Oils! The latest test...

It's a fact of life that behavior is strongly influenced by what people believe, whether true or not. Numerous examples from history bear this out. For example, sailors were once fearful of sailing outside the sight of land less they would fall off the...

Harley CV carburetors are the finest carbs ever used by the factory, however due to emission regulations these carburetors are greatly restricted in their ability to perform. You twist on the throttle giving it all your Harley has to give. Your bike...

Harley exhaust choices vary almost as much as those who ride. Drag pipes, slip-fit mufflers, 2-1, staggered duals, and the list goes on. An exhaust system is made for every bike, engine, style, and configuration imaginable. However, there is a big...

How do I get more power out of my Harley? "How to get more power" is one of the most frequently asked question received about improving a Harley's performance. Some people are looking for more "get up and go" from their stock engines, while...

The following Harley Articles are a collection of published articles and reader submissions. All are provided as an informational resource for anyone who rides and enjoys Harley Davidson motorcycles. All Harley and motorcycle related articles are...

Below is a cross-reference list of spark plugs for use in most Harley models. While the motor company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void...

The stock Harley fuel elbow found on CV carburetors has long been known to be the achilles heel of this carb. The inlet is not only restrictive but made of plastic which breaks easily. The plastic fuel inlet can crack and leak when removing the...

Synthetic oil for Harley-Davidson motorcycle's is probably one of the most debated subjects you will find on any message board or in any Harley magazine. I'm not about to fuel the fire about the motor companies about-face on the use of synthetics,...

Subscribing to a Harley magazine or checking out some of the great books written ideal for finding information on improving your Harley's performance. Many biker and Harley magazines provide tips and how-to articles you can apply to your own bike,...