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  #11  
Old 7th January 2015
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IMO don't remap.

$50 will buy you a baseline Dyno pull and tell you a lot.

If your AFR is lean a turner would be a better use of your money.



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  #12  
Old 7th January 2015
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if you plan to do more, don't reflash.... yet
I doubt the power your leaving with just a drop in and slip ons is worth the money to flash.
I would make a few more performance mods, then flash to make it all work together.
Otherwise youre going to end up flashing 2-4 times
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  #13  
Old 20th April 2015
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I'd reflash. Your probably not running lean enough to cause engine damage but, lean is very bad. I wouldn't risk it, especially, since you have a tuner on hand. That K&N filter flows much more than the stock filter.
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  #14  
Old 27th April 2015
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you're asking the wrong question! Dealer re-map is not worth the money,it would be the very last choice on a very long list!!

Stage one with a fuel adder is all ya need,really. to much fuel...it will decell pop a little,so don't go too rich either 13.6 is the richest I would go too...13.8 in my opinion is best for a stage one.

Have fun
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  #15  
Old 11th May 2015
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Quote:
Originally Posted by AnaChris View Post
I agree.
stock harleys are EPA lean. fact
you have increased air flow..no matter how slight that will only lead to more leaness. prolly not engine destroying leaness...idk...but definitely power left on the table.
Just wanted to note that it's NOT THAT SIMPLE.

Nothing IS just plain LEAN.

The EPA doesn't regulate (even on cars) the mixture for all conditions.

When it came to carbs for instance Harley MAIN JETS and NEEDLES were often on the rich ride, with the only real lean-ness on the pilot jet and adjustment of the pilot screw. (See Joe Minton's books/articles for references on that).

This was because the EPA standards were only for idle at that point.

Now with EFI bikes the EPA standards have to do with closed-loop operation only - meaning hot idle and/or steady throttle.

The maps there are on the lean side (especially for cat-con equipped bikes) because the cats operate best at the ratio of about 14.7:1.

But it only runs closest to that at closed-loop. The mapping on many bikes goes rich (sometimes pig rich) at or near WOT.

So just blanket making everything richer can have negative effects on the mixture for cold idle and 3/4-WOT operation which were already rich.

This brings me to XIEDs:

Quote:
Originally Posted by SLV View Post
Xied's richen the mixture. It's not a tune, but it's meant to overcome lean conditions fro open intake and exhaust. The OP is thinking of leaving it lean or tuning.
The XIEDs seem to work well enough on Harleys. I've have a pair of them on the 07 now for more than half a decade. IN THEORY they fool the 02 sensors into making the motor run just a hair richer in closed-loop operation AND because they will effect long term fuel trim data they richen up open loop a hair too.

As I said they seem to work ok on Harleys, probably because from the factory Harley has always left more hp on the table than most other manufacturers (either knowing that tons of owners are going to mess with them and/or encouraging them to in order to get a piece of the accessory market). So I think Harley has really put some thought into making them hard to damage/easy to self-adjust.

However, I've seen bad effects with devices like this on other brands, especially ones with Weber-Marelli EFI systems like some older Ducs and most Moto-Guzzis. Sometimes it's just check engine lights warning that the 02 sensors are seeing overly rich mixtures (for what they expect), but in at least one case we believe the ECM continued to trim until the cylinders were washed of oil and the motor seized.

So what's the lesson here - HONESTLY, you can make a bike run cooler and make more power with some tuning. But don't just assume you just add fuel everywhere in the map and don't assume that 02 sensor foolers are the best way to go.

Oh also, remember that what feels like HOT to a human isn't necessarily a bad thing to aluminum, iron, and oil. As a matter of fact, I've also seen some bikes both Harleys and Guzzis that were exposed to potential damage from emulsified oils (contaminated with moisture from cold weather operation and OVER COOLING). Oil coolers can be good things when needed, but make the potential for damage from something like this worse in winter if the bike is running too cool.

In our current fleet I am continuing to run the Italian bikes stock right now. Yes, they run lean and warm at some points in the map, but at least I don't have to worry about them warming up properly in cold weather and purging moisture. And honestly they run smooth, predictably, and reliably.

The Sporty I've been running only with slightly opened mufflers and XIEDs and likely won't change that anytime soon. I might justify a PowerVision to play with one of these days. But then again, I don't like the K&N filters anyway as I don't think they filter as well as they could so I just run the stockers and replace (don't bother cleaning) every 10k.
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  #16  
Old 11th May 2015
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I don't think my (UK) H-Ds have been lean from the factorty; they seem fine.
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  #17  
Old 14th May 2015
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I'm runnin wrapped v and h short shots with a derby sucker and I'm running great with just the XieD setup...another vote for no.
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  #18  
Old 18th May 2015
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I'm installing a set of slip ons on a 2010 dyna.

Customer wants more noise. Stock air cleaner.

Set of VIEDs and Customer gets noise and bike won't burn up. ...I call it stage .25
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Old 19th May 2015
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Don't reflash, do get your tuner working correctly. If that's not possible, XIEDs are a viable (but not perfect) alternative. Certainly better than doing nothing.
Most of the 35k on my 1200 was run with a similar (Stage1 & XIED) setup.
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  #20  
Old 7th July 2015
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I have a 2013 883 Iron. AN Big Sucker Intake and St8 Open Exhaust. I put on Xieds and torq Cones in the Exaust. Have rode it that way for 15k miles no troubles at all. Plugs look great. I do live in deep south Louisiana. No map was need on my bike. I got the Xied and torq cones from DK Customs
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