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Thinking of getting an ECU reflash? Here are the pros and cons

Is this performance-oriented modification something you’d like to do to your motorcycle?

EJ Punsalang EJ Punsalang on Apr 18, 2022
Here are the pros and cons of an ECU reflash

Motorcycle engines had carburetors and utilized a kick-starter to fire up several decades ago, before the emergence of modern-day electronics. Turning a couple of screws on the carburetor resulted in significant performance improvements. Electronic Fuel Injection (EFI) systems have mostly replaced carburetors in recent years. As a result, the Engine Control Unit (ECU), which electronically regulates a series of actuators, is in charge of power delivery. Naturally, this is a lot more complicated, and fine-tuning it to produce extra punch isn't as simple as twisting a few screws.

The most cost-effective and widely utilized method is known as an ECU reflash or remap. For practically all modern-day performance bikes on the market, several performance-oriented tuning shops now provide this service. The ECU is basically reprogrammed with fresh specifications for most, if not all, engine performance characteristics when it is reflashed. This indicates that the new engine settings, or map, replace the factory-installed stock settings.

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Pros

Motorcycle ECU tuning

ECU tuning is an excellent approach to improve the performance of a motorcycle. When compared to a factory-tuned ECU, remapping an ECU can result in a 10–15 percent improvement in power and a 15–20 percent increase in torque. Even if we have other performance modifications, an ECU reflash may further optimize these, making an even bigger impact on our bike's performance. It also optimizes upgraded exhaust and intake systems. Furthermore, the fuel efficiency of the motorbike may even improve if it is ridden enthusiastically after the remap has been completed.

However, if the tuning shop is able to tailor the ECU's specifications to the owner's riding style while also making the most of the increased power and torque across the rev range, fuel efficiency can be improved. For example, because the engine's torque has improved after remapping, the rider may no longer need to downshift to sustain momentum on an uphill, or may not need to shift gears as frequently in traffic situations.

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Cons

Motorcycle ECU tuning

Manufacturers typically sell a vehicle that can be used in a variety of markets with differing tax and emission requirements, climate circumstances, fuel ratings, operating altitudes, and so on. All of these aspects must be considered by a manufacturer, and significant concessions in vehicle functioning must be made. As a result, tinkering with your bike's ECU may violate your factory warranty. Optimizing your ECU to boost performance might also result in a modest rise in emissions from your exhaust. Last but not least, ECU reflashes aren't cheap, running anything from P15,000 for a standard tune, plus additional money for dyno tuning, aftermarket components, and other add-ons.

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