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[porthole]

Electric Glide with the FatBoy map, with changes to the map as recommend here, decel enleanment and AFR changes.

I noticed this mostly in Maggie Valley. This condition presents itself when running in the torque range, somewhere between 2800 - 3500 rpm.

A lot of my riding was done in the lower gears to take advantage of the torque. When I would roll back on the throttle from a coast the bike would seem to hesitate just for a fraction of a second and then "jump" right up. This made for some uncomfortable riding at times with the surge of power, especially with the  back seat helmet.

Sound familiar? Any ideas?

[Unbalanced]

Porthole,

First idea would be the fuel pump option and to add a bit more fuel there.  2nd idea would be to get a professional tune to fit your exact bike over a generic tune for all bikes, 3rd idea would be to try someone elses map.

-harry

[WVULTRA]

Electric Glide with the FatBoy map, with changes to the map as recommend here, decel enleanment and AFR changes.

I noticed this mostly in Maggie Valley. This condition presents itself when running in the torque range, somewhere between 2800 - 3500 rpm.

A lot of my riding was done in the lower gears to take advantage of the torque. When I would roll back on the throttle from a coast the bike would seem to hesitate just for a fraction of a second and then "jump" right up. This made for some uncomfortable riding at times with the surge of power, especially with the

[Unbalanced]

Another question would be which injectors do you have?

Have you tried running a 93 octane with an injector cleaner in the gas or some 100 octane sunoco or other?  After the tank replace the spark plugs.   Try and run the bike in the 3000 to 4500 range for a while on a long straight this will force the injectors to really pump and if there is something blocking them up it might just free them up.   If you have the 8 degree's consider swapping them for 25 degree injectors.   Any trouble codes being shot to the ECM?  Someone on here probably has a map they could send you based on your configuration that you could try and see if you still have the issue another good comparison.

-harry

[porthole]

Another question would be which injectors do you have?

Have you tried running a 93 octane with an injector cleaner in the gas or some 100 octane sunoco or other?

[Unbalanced]

Port do you have the map you have in the bike saved somewhere if you do I can send you the map 2 maps from my 05 cherry you can try if you want.

Have you taken a look at the spark plugs and are you sure the gap is right and have you ever tried the autolite plugs?   Check them for a lot of crud around the firing pin.

Chevron and Shell / BP~Amoco are the 3 best out there rated wise.   I try to run those 3 as well 93 all the time.

If you want the maps please email me at cvoseeg@bellsouth.net

-harry

[Texas 103]

Port do you have the map you have in the bike saved somewhere if you do I can send you the map 2 maps from my 05 cherry you can try if you want.

Have you taken a look at the spark plugs and are you sure the gap is right and have you ever tried the autolite plugs?   Check them for a lot of crud around the firing pin.

Chevron and Shell / BP~Amoco are the 3 best out there rated wise.   I try to run those 3 as well 93 all the time.

If you want the maps please email me at cvoseeg@bellsouth.net

-harry

Port, I also have a  SERT map, done on a dyno  for my SEEG, Stock Motor, Hi Flow A/C , Fatcat. Be glad to send it your way.. Greg

[syclone]

Sounds EXACTLY like my '05 SEEG when I tried a set of SE Split Fire plugs....when got up to temp....on throttle roll on from a coast..I got a bad hesitation. wouldnt call it a miss.
When home and put the stock plugs back in and all was well.

GARY

[GC_Super]

I've been experiencing the same thing after a custom map when I changed to a FatCat. On Decel from 4K or 3K, the bike feels like it dies, kinda makes a gurguling (sp) sound, then when it hits 1500rpm, it all of a sudden jumps back on just about the time you want to stop. If you try to give it throttle during this decel, you almost have to force it, not smooth anymore at all. The tuner is a certified RT guy, but after two tries, it still sucks. My mileage went from an average of 38 to 30 also. I really didn't like the FatCat anyway, so I'll probably go back to true duals.

[grc]

The sensation your noticing on decel from higher (3k up) rpm is called decel enleanment.  When the ECM senses a high vacuum condition on decel, which you would have under those conditions, it reduces the injector pulse to lean out the mixture.  The purpose is to reduce emissions, and it is something you can feel and hear even with a stock bike.  It feels and sounds like the engine isn't actually firing, and when the rpm's drop below approximately 1800 you can hear and feel the engine return to normal. The hesitation when reapplying throttle, however, is not normal.

With a SERT, you can modify the enleanment values separately from the rest of the map.  Reducing the amount of "enleanment" will reduce the on / off effect.  This table can also be used to reduce exhaust popping.

Suggestion:  Try the sparkplug suggestion first - I've also heard of other folks having issues with the SE Splitfire plugs.  If the problem persists with new standard plugs, look at the enleanment tables.

Jerry

[Unbalanced]

I forgot to mention don't use the split fires .. havent had any decent results with them, try the autolite or even the platinum, but forget the split fires.   On a real hot motor 95 / 103 etc setup you can even try a plug one level cooler which would be the V-Rod plugs.   All in all it sounds more like you have a decell / lean issue then you pop the throttle and get the hesitation and that is really due to TUNING or a really fouled out plug or a clogged injector, but more than likely the first 2 of the 3.

-harry

I also have a map or 2 I can share if you have a base map you can put back in the bike, only thing is if you use the maps or play around please DO NOT TURN OFF YOUR Bike while UPLOADING THE MAP.

Not sure what the remedy is yet if you do this, but were soon to find out.
Either it can be remapped back to factory and that is good or

NEW ECM and NEW SERT ... ouch expensive.
  

[porthole]

SE Split Fire plugs....

H'mm that is interesting, I'll have to take a look at he plugs, I'm not sure which plugs i put in, the split or platinum.

[porthole]

1. The sensation your noticing on decel from higher (3k up) rpm is called decel enleanment.

It feels and sounds like the engine isn't actually firing, and when the rpm's drop below approximately 1800 you can hear and feel the engine return to normal. The hesitation when reapplying throttle, however, is not normal.

2.  With a SERT, you can modify the enleanment values separately from the rest of the map.

1. That was my first thought, and it feels like a low fuel issue. But when it does start to come back on it is like nothing was wrong, just a strong pull. I am only talking about light throttle roll on here too. It was most noticeable when I was trying to be "real smooth" with my wife on the back.

2.  I have already modified the enleanment, cut all the numbers in half, trying to minimize the popping
and I also lowered any AFR that was above 14 to 14 or 13.9, whatever the program would take.

[porthole]

try the autolite or even the platinum,

Interesting. When I use to run my car at the track I always used Autolite plugs because they seemed to hold up the best in my Mopar. That for a misfire problem under high loads, high RPM's. But because they lasted so well on the track I used them all the time.

[porthole]

DO NOT TURN OFF YOUR Bike while UPLOADING THE MAP.

Not sure what the remedy is yet if you do this, but were soon to find out

I think I know what the remedy is and it isn't a pretty sight. From what I have been told anyway. Hopefully it is just a viscous rumor.