How does tuning a Harley Davidson fuel injection system work?

How does tuning a Harley Davidson fuel injection system work?

Tuning the EFI system of a Harley Davidson motorcycle increases the efficiency of the Electronic Fuel Injection system by keeping the fuel mixtures within specific ranges that allow the engine to work best. Maximizing the benefits of tuning an EFI system can increase power and

How does EFI work on a Harley Davidson?

Tuning the EFI system of a Harley Davidson motorcycle increases the efficiency of the Electronic Fuel Injection system by keeping the fuel mixtures within specific ranges that allow the engine to work best.

When to use open loop fuel injection on Harley Davidson?

Since Harley only uses narrow band sensors (NBO2) capable of only a very narrow range of Air/fuel ratio (AFR), the ECM can only control the mixture under cruising or very low load conditions. Under all other conditions the ECM switches to Open Loop as described in this article.

How do you tune a Harley Davidson engine?

for changes. Instead you use a screwdriver to make the changes that instruct the fuel injectors to make the fuel mixture richer or leaner. engine RPM and engine load. huge range of variables. This type of tuning aid is used for motorcycles above 100 cubic inches and huge cams. Software tuners alter connected to the engine.

How does electronic fuel injection work on a Harley Davidson?

Harley Davidson Electronic Fuel Injection (EFI) Electronic Fuel Injection is a fuel delivery system operated and controlled by an artificial intelligence module programmed to deliver the correct amount of fuel to the engine under all conditions using collected input from the various systems of the motorcycle.

What does EFI do on a Harley Davidson?

Harley Davidson Electronic Fuel Injection (EFI) Originally introduced by Harley Davidson as a viable way to meet expected emission standards around the continental United States and improve the reliability of the engine in varying environmental conditions. Electronic Fuel Injection allows for better starting in both hot and cold environments,…

What kind of tuner does a Harley Davidson use?

The Digital Fuel Optimizer (DFO) from Custom Chrome is an add-on pot-type EFI controller that allows the tuner to change the engine’s fuel curve with a screwdriver. Dynatek’s F.I. Controller is an add-on device that allows the tuner to both richen and lean the fuel mixture using a screwdriver.

Since Harley only uses narrow band sensors (NBO2) capable of only a very narrow range of Air/fuel ratio (AFR), the ECM can only control the mixture under cruising or very low load conditions. Under all other conditions the ECM switches to Open Loop as described in this article.