OK I promise not to bite if you all take the P out of me but I'm hoping for some worth while comments.

I need to make my mind up what to do about exhaust and possible fueling. Having recently had my bike running lovely without fault (apart from the anoying fan on all the time) I decided to refit my Free Spirits exhaust system. Having given it a good run over a few rides I've come to the conclusion I need to do something with my fuelling if I want to keep the FS exhaust cause it's popping more on over run and feels like its running slightly lumpy at idle and slow running.

What I've learned form this whole afair is that the ECU on my bike does not adjust well enough to a full exhaust system so I have some choices to make and I would be grateful if people in the know could advise...

Choice 1: ECU + software kit from Twinmotorcycles for my Free Spirits exhaust, 1x time download of a remap. £185 approx.
Choice 2: Buy EBR full ECM kit to self program + dyno and tune with local dyno technician or anyone else that comes recommended. £645 approx.
Choice 3: Original headers + buy a stealth + sell Free Spirits System.

Having clocked up over 800 miles recently with stock exhaust (considering stock exhaust rusts quicker than a car in salt water) I would still want to fit an after market exhaust can if nothing else but I'm tempted to go for choice 2!

The bottom line is I have to do something but don't know what. I'm curious about the sound of a stealth on my bike but I have also invested alot of money in my Free Spirits system, plus is looks so cool and turns heads?

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xxxx

Fuck knows.
Only you can decide.

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Norrie.

Fair enough, but I'm just doing my homework trying to avoid making expensive mistakes in this world of experimentation!

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FUBAR pilot

You only need two bikes in life-an S1 and a Multistrada!

Thats for the CR isn't it? No they do ECMs for XBs also!



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Can't use the search cause he keeps saying yer banned!
Ya yank!

Alternatively you could get Tubbs to modify your standard can and paint it with his special goo.

My 07 XB didn't fuel right with a Termi can, but runs very well with the Tubbs modded one.

If it is any help the EBR ECU for the XB also pops back on the overrun with open exhaust, though not as much as the std ECU IMO. The EBR ECU also seems to improve the power delivery above 3800 or so but it does not like to run steady around 3000rpm, with a marked hesitation around this area on partial load as it is mapped specifically for track use.

If you are looking for the perfect solution for all occasions it is going to be difficult to find. My advice is to fit the exhaust system you prefer and get your STD ECU remapped to suit your requirements by someone who has the experience and equipment.

I think I have a picture of something which could fit the bill.......

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Spencer Racing... www.spencerracing.co.uk

You've been taking pictures of my bike again haven't you?
Both Buells's currently have issues so I used the Cub for the 20 mile commute this morning.

I agree with Peter CR et al.
With a standard intake and filter and an aftermarket exhaust, your bike should adjust to the exhaust with a proper closed loop ride (half hour or so at a steady 3000ish rpm should do); with aftermarket intake and exhaust, you will want to re-map the ECM you have, as the bike will not compensate well enough on its own with both modifications.

Buy a Honda to keep next to the Buell, and see which one you ride more.

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2006 XB12Ss..... 1998 S1W..... 1996 S2T
We do not need the help of our friends so much as confidence that they will help us when we need it. –Epicurus

I was under the impression that Twinmotorcycles software was ripped off from Gunters ECM spy ...

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"With square conduct, level steps, and upright intentions ..”

I think this is because a tubbs mod is not a million miles from the original setup and therefore it doesn't upset the system. tbh although I havn't heard a tubs mod but I have heard other mods and I prefer the sound of my Free Spirits cause it's quite unique!

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Spencer Racing... www.spencerracing.co.uk

No, that's not the case. As far as I know, they use or used EcmSpy for DDFI-2 and are now using the rebranded OSB-Software for DDFI-3. The topic of discussion was data, not the program.

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"It is often said that before you die your life passes before your eyes. It is in fact true. It's called living."
Terry Pratchett