We will not be flashing any ECUs Friday 12/21/2018 - Friday 01/04/2019. Any ECU received during that time will be flashed during the next week. Please plan accordingly.

What is ECU Re-Flashing?

Your motorcycle was assembled primarily for road cruising. And given the fact that not everyone is as responsible as they should be with a high powered piece of machinery, factories feel they carry the burden to restrict your motorcycle for your safety. ECU re-flashing is a common and simple way to modify your motorcycle, and get the top performance you're looking for. Here at Guhl Motors, we offer the service of completely derestricting your motorcycle, as well as offering custom fuel and timing maps to get your bike running in top performance. Read more to find out all of our options for ECU re-flashing.


Dyno Tuning

Dyno tuning is a systematic approach to engine tuning. Dyno tuning allows us to give your vehicle a tune-up of unparalleled quality, providing you with the smoothest, most economical performance possible from your vehicle. To learn more about this process, read ahead, but I guarantee you that nothing can describe the true results better than experiencing them yourself.

Alcohol Conversion

Gasoline and diesel is a thing of the past. For many years, the automotive industry has been researching a better fuel system. One that is effective as well as beneficial for the environment. This is how alcohol fuekl injection was invented. There are many benefits to converting your fuel injection to alcohol: Increased Horsepower and torque, lower engine operating temperatures, safer with lower fire risks, etc.


Allow us to explain in detail what this process entails and help you make your decision to convert


How Can I Re-Flash my ECU?

Re-flashing your ECU has never been easier. All you have to do is send us your ECU to:

Guhl Motors

102 S. State St.

Ephrata, PA. 17522.

Inside the box with your ECU, make sure to include your name, phone number, and return shipping address. Once we recieve your ECU, we will contact you to go over the options for the re-flash, and lastly, payment information. Once we're done, we can send your ECU back to you and you can feel the Guhl derestriction difference!

Disclaimer- All Guhl motors products are for racing use only and may not be legal on public roads