Sports: Re: [DucatiST] " Carburetion" flat spot

There was someone on this list that can reprogram the stock chip or an
eprom that is equivalent. If they would speak up you could get one at a
very reasonable cost.

Gary '01 ST4 Gaston, OR

On 8/15/2011 2:21 PM, Steve Gross wrote:
> Hi Dave,
> The stock chip in the ST2 is crap, especially with any kind of open
> exhaust. The FIM 161 chip works great in my bike, but sadly FIM went
> under several years back. I don't see them come up for sale often on
> the secondhand market.
> I have also heard good things about the DP chip, part
> number 965056AAA. Not sure whether they are still available through
> DP. I see a bunch on eBay now, all in Switzerland for some reason.
> The eBay ones are under $50 shipped, so if you can't find one locally
> it's not such a great risk.
>
> *From:* Marty Nelson <martimus999@gmail.com>
> *To:* st2_owners@yahoogroups.com
> *Sent:* Monday, August 15, 2011 5:00 PM
> *Subject:* Re: [DucatiST] " Carburetion" flat spot
>
> I'll see if I can find it tonight when I get home from work.
> I've heard from others that the FIM 161 chip works really well, but I
> understand it cost around $150, and I don't know who sells it.
>
> Marty
>
>
> On Aug 15, 2011, at 12:31 PM, David Gooch wrote:
>
>>
>> Any chance that you would have the part number for that chip?
>> Thanks
>> Dave G
>> *From:*st2_owners@yahoogroups.com <mailto:st2_owners@yahoogroups.com>
>> [mailto:st2_owners@yahoogroups.com] *On Behalf Of *Marty Nelson
>> *Sent:* August-15-11 2:35 PM
>> *To:* st2_owners@yahoogroups.com <mailto:st2_owners@yahoogroups.com>
>> *Subject:* [DucatiST] " Carburetion" flat spot
>>
>>
>> Dave,
>> When I purchase my used 2001 ST2 in 2005 it had a really bad flat
>> spot around 4000 rpm. There are two Duc dealerships in the Seattle
>> area. I asked the the dealer I bought the bike from to replace the
>> chip but, told me they could take care of the flat spot with a tune
>> up, which turned out to be incorrect. After about two weeks of lame
>> excuses, they told me the chip was unavailable. I went to the other
>> Duc dealership and they had a new Ducati Performance chip for $75
>> within a week which plugged right into the ECU under the seat within
>> a couple of minutes.
>> Wow, WHAT A TRANSFORMATION!
>> The flat spot was eliminated and the bike pulls smooth and strong all
>> the way through the power band. My thought is that the bikes are
>> leaned out from the factory to pass EPA standards for import. For
>> $75, it is no doubt the best value of any of the mods I've done on
>> the bike, and I would strongly suggest it for a stock ST2.
>> Enjoy the new bike,
>> Marty Nelson
>> 2001 ST2
>> Seattle
>> On Aug 15, 2011, at 11:16 AM, David Gooch wrote:
>>
>>
>> 2002 ST2 62,000 km
>>
>> Yes, I know that the ST is fuel injected. It just seems right to say
>> that it
>> is not "carbureting" properly than to say that it is not "fuel injecting"
>> properly. It just doesn't flow as well!
>>
>> As you will know from the "gear whine" posts, this is a new to me
>> bike this
>> year. I have put about 5000 km on it so far without any major trouble and
>> the previous owner is deceased and not answering questions.
>>
>> One of the things that came out of my mountain riding this past
>> weekend is
>> that there is a big flat spot in the "carburetion" between about 3700 and
>> 4100 rpm. The bike will actually stutter if you try to give it
>> throttle off
>> the bottom at that rpm. It will pull through that range, but it is
>> definitely non-linear. BTW the bike has the stock air filter and
>> exhaust. I
>> am assuming that the ECU has a stock chip, but I know from the
>> markings on
>> the case of the ECU (ST2 Good - in yellow paint) that was taken from
>> a bike
>> in a scrap yard.
>>
>> It this normal for this bike in this state of tu! ne? Do they all do
>> this and
>> if so, what can be done to reduce the problem.
>>
>> I also need to say, that the bike still needs a full service as that may
>> well be the cause. I need to check the valves, zero the TPS, adjust
>> the O2
>> pot, install new plugs and balance the throttle bodies before I dig into
>> this particular issue. How will I know if the chip in the ECU is the
>> stock
>> ship? Are there any markings?
>>
>> I am going to do the obvious things first, before digging deeper into the
>> cause, but I thought that I would ask for some guidance.
>>
>> Thanks again!
>>
>> Dave G.
>> aka The Goochman
>>
>>
>>
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