The first gear throttle lag on my 2012 FLTRX is driving me crazy. While searching for solutions, i've read the the V&H Throttlepak does a great job at eliminating this issue. I've also read that this can be addressed using a Power Vision tuner. Here is my dilemma. I already own the PV and though I've read that it can correct the lag, I've been unable to find exactly what needs to be done. I'll go ahead and buy the Throttlepak if I have to, but I'd hate to spend the money only to find out that I could have just used the PV in the first place. And, lastly, if I do end up with a TP, will there be any issues running it along with the PV?

TIA.

 

talked to dynojet or give fuel moto a call that issue can be tuned out. the tp only uses dip switches you all ready have a good tuner don't waste your money. you can't run two tuners together also.

 

Your throttle lag issue could be in two places. You will need to follow some steps to find if it is in one area or two.

I don't use the PV but I know how to do this with the TTS. See if you can take what I'm saying and match it to the PV.

In the TTS there are two tables. One is called "Throttle Blade Control" and the other is "Accel Enrichment"

1. Remove your air cleaner until you can see the throttle butterfly.

2. Warm up the bike to operating temp.

3. Blip the throttle from idle hard while watching the butterfly.

See if the butterfly opens a little, closes a little, opens a little more all in an instant during a single hard blip. Do this several times. If you see this happening then it is caused by the "Throttle Blade Control". Adjust your throttle blade control until this shuttering of the butterfly is gone.

Second

1. Warm up the bike.

2. Blip the throttle from idle.

3. See if the above butterfly is opening smoothly.

4. If so, increase your Accell Enrichment tables by 20%.

Snap the throttle open again at warm idle. If the stumble persists add another 20%. I've had to add up to 50% AE to remove the stumble and get a clean throttle snap from idle with no hesitation.


NOTE:

There are good reasons why to leave the Throttle Blade Control alone and not adjust them to max in all areas. Some think this gives them more control over the throttle body like a cable bike. It is there to reduce stress on the crank by not opening the throttle too quickly. It is a buffer. Raising it to max will also cause a very sensitive Herky-Jerky throttle. If you are rolling at a low speed and hit a bump your throttle hand will bounce and open the throttle. Think... of you or your rider flipping backwards over the bike while your bike goes riderless and slams into something. May sound funny but it almost happened to me. Was thankful I had a backrest. Both hands came off the bars.

Next... Why do you increase AE to get out a stumble? Do any of you remember the old Holly 780 carburetors? If so, they came with a standard 25cc front pump which squirted fuel into the top of the carburetor. This was fine when driving with a clutch. When you drove an automatic transmission with the same Holly you must remove the 25cc front pump and install a 50cc front pump to remove the hesitation from idle. It's the same principle. Add throttle opening fuel to reduce your throttle hesitation.

Like I said... see if the above can be matched to the Power Vision tables and try it. I think you find your solution.



-Wiz

 

Are you aware of a way to do this with a PCV? I have this exact problem....I guess if I have to buy a TTS then I will. Is the TTS stackable with the pcv, or should I replace the TTS entirely?

 

The TTS should never be stacked with any other product.

I can't answer your PCV question. For my own reasons I will not use a PC product. Sorry

 

10-4, I will likely just order a tts to replace the power commander. Thanks for your candid response.