re-tuning

[Southwend]

I am not looking for a new level of power or performance. I just want that beautiful inline to operate as the motor God intends. I want to remove the factory tune towards super lean operation to satisfy government requirements. Of course anything else is a bonus. What do you recommend?

And thanks in advance

[Randy B]

I am not looking for a new level of power or performance. I just want that beautiful inline to operate as the motor God intends. I want to remove the factory tune towards super lean operation to satisfy government requirements. Of course anything else is a bonus. What do you recommend?

And thanks in advance

The only game in town.

http://www.guhlmotors.com/honda-reflash.html

[Cormanus]

One could say ‘Power Commander’, but I suspect the reflash is the better option.

[PowerDubs_imp]

One could say ‘Power Commander’, but I suspect the reflash is the better option.

Probably somewhere in the middle. Depending on where and what is done to the bike and how much you want to spend.

The power commander is a little more involved to install, and only adjusts fuel.

Guhls flash is a simple ecu swap and changes ign timing as well as raise the rev limiter and gets rid of the top speed gov.

So- for most people the reflash offers more bang for the buck- but how many actually hit redline or top speed?

Both options are locked settings that were based on a single bike on a single day, so if you happen to have a different exhaust, intake, altitude, temp, etc- less than ideal, although still better than the factory tune.

The power commander you can tell it what fuel you want, at what rpm, and throttle position. It also has the option to add on a WBO2 box / sensor to allow real world constant monitoring of the a/f and adjust as needed for changing conditions and any mods you do (autotune). If we were ever able to find a tach wire to tap, it also can do individual tune maps for each gear (load changes). But remember- stock ign timing.

So yea- depends on how much you want to play, how much you want to pay, what you have done and will do to the bike. Combining all the options is the ultimate solution.

As far as let the engine run as god intends- here is what I was able to get out of mine using a power commander, auto tune box, and a few mods to let the engine breath better.




https://youtu.be/l-JUu8JBjGc






A few days after that video, I also added a guhl ecu but then crashed the bike so never went back to the dyno to see what the bike does now with new ign.

[Southwend]

Thanks, excellent information. I Sent the ECU from my wife's bonneville off to England for a reflash. New air box, KN filters, removed O2 sensor and wacky air injectors from the engine.
Runs now as intended. Same desire for the CB. Reflash sounds like the plan.
CRAP I have a 2017 EX. It does not appear on the list at Guhl motors

[Randy B]

Thanks, excellent information. I Sent the ECU from my wife's bonneville off to England for a reflash. New air box, KN filters, removed O2 sensor and wacky air injectors from the engine.
Runs now as intended. Same desire for the CB. Reflash sounds like the plan.
CRAP I have a 2017 EX. It does not appear on the list at Guhl motors

I would say call him.

[teamvisegrip_imp]

I sent mine to Guhl after the mods and it was perfect! It was amazingly simple and they were perfect to deal with.

It came back so fast. So yes way better than adding a unit in my opinion.

[Olyrider]

I did the Re-flash, PC V, and full Yosh exhaust along with a dyno tune on my 2013. It’s a different bike now.

I know, because several of us rode mine and a stock 2013 back-to-back. I told them that I had only swapped out the exhaust because that is the only change that is visible. Their words were “Amazing, Stellar, and Wonderful”.

I agreed.

[Southwend]

I will reach out to Guhl today and see if the can reflash the '17 model

I will report back what I find just in case someone else has same bike and plan.

[Southwend]

Guhl did a great job responding quickly. They do in fact reflash ecu from 2013 to 2017