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Power Commander FC vs. Power Commander V

Despite their appearances, motorcycles aren't just fun modes of transportation and many enthusiasts want to bring their bike to the next level. They're finely tuned machines, and optimizing their inner workings is the key to the increased performance that many riders crave. Like the widely popular car tuning culture, motorcycles have a tuning niche all their own.

Motorcycle performance to an aftermarket exhaust system is like second nature. It just goes together - a match made in heaven. In the cases of full exhaust systems and slip-on exhausts that remove the catalytic converter, there may be such a large shift in exhaust flow that the stock ecu cannot properly manage. Although backfires and overheating are obvious symptoms of a improperly tuned bike, there are many more issues that lurk below the surface.

Many riders aim for peak horsepower and torque whereas power delivery and a smooth power curve is what delivers the overall fun factor (and faster lap times) and can easily be considered just as important. This is where a proper tune with a Dynojet Power Commander can come into play.

Finding that perfect balance by adjusting the motorcycle's air-fuel ratio is the way to go to attain the power and ride-ability we should all be seeking. One of the main ways of manipulating this is by way of one of the most crucial of all motorcycle parts -- the aftermarket fuel controller.

Air-Fuel Ratios & Fuel Controllers

As the name suggests, this is the ratio of air to fuel in the engine. When the ratio is too low (less than enough fuel to be considered ideal), this is known as "running lean." There are several disadvantages to this, including reduced power output, poor throttle response and excessive heat from the engine. It stands to reason, then, that riders of all stripes would want to keep their air-fuel ratio as precise as possible to avoid problems.

Distance and touring riders certainly don't want their engines running hot and burning their legs, and performance riders will take every opportunity available to squeeze more power from their engines. This is where the fuel controllers can help. These devices use on-board computers to control fuel injection (getting fuel directly to the engine) and can save different settings as "maps" that riders can switch between.

Two Options: Power Commander Fuel Controller and the Power Commander V

Two prominent controllers that many motorcycle parts stores offer are the Power Commander Fuel Controller (PCFC) and the Power Commander V (PCV). Both fuel controllers are great at getting the job done, but there are a few differences that might influence which choice is best for you.

The PCFC is what could be considered a "no frills" option for consumers who just want reliable and basic functionality of a fuel controller. Its capabilities are still broad enough to allow for the use of various pre-programmed maps and for users to load 10 of their own personal maps that they can change on the fly. The drawback is that it doesn't work in conjunction with many of Dynojet's more popular accessories like the quickshifter, somewhat limiting its performance.

For those that want to go all out with accessories like the quickshifter or want an even higher level of tune-ability (and have the time to familiarize themselves with the device's finer points), the Power Commander V might present a superior option. This controller also allows for gear inputs and analog inputs so that users can map adjustments based on multiple factors. In short, the PCV is geared towards high performance riders and racers.

I hope we've given you enough information regarding the fuel controller options from Dynojet so you can make a good decision when installing an aftermarket full system (or better yet, an Akrapovic exhaust!). Continue reading about the Akrapovic.

Not sure where to look? The spot to go for these devices and many other aftermarket parts is an online motorcycle parts store. There, riders are more apt to find the widest selections and best prices available.

By Daniel Relich

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