[Ducati] Carb Setting Info, 95, 900SP

cedwards105 cedwards105 at cfl.rr.com
Thu Feb 28 14:53:13 EST 2008 

I had that also, at the Dyno testing. It made 1rwhp difference over the 
stock Db2 exhaust.

----- Original Message ----- 
From: "Jim Calandro" <capo at carolina.rr.com>
To: "Ducati Owners Group" <ducati at ducati.net>
Sent: Thursday, February 28, 2008 1:27 PM
Subject: Re: [Ducati] Carb Setting Info, 95, 900SP


>I had the bimota carbon fiber exhaust added,  Maybe that made a difference. 
>I lived at a place about 400 feet above sea level and now I am at 800. 
>When I go up into the mountains it is too rich.
>
> Jim
>
> Jim Calandro
> il Capo
> US DESMO
> www.usdesmo.com
> 704-843-0429
> ----- Original Message ----- 
> From: "cedwards105" <cedwards105 at cfl.rr.com>
> To: "Ducati Owners Group" <ducati at ducati.net>
> Sent: Thursday, February 28, 2008 12:53 PM
> Subject: Re: [Ducati] Carb Setting Info, 95, 900SP
>
>
>> We did the same thing with the airbox during the dyno testing. The 
>> Dynojet kit, available for the Db2 was developed on my bike, all the Dyno 
>> testing and tuning was done by Dynojet personnel. The bike ran good after 
>> they finished but that still didn't get rid of the lag transitioning from 
>> off to on throttle.
>>
>>
>> ----- Original Message ----- 
>> From: "Jim Calandro" <capo at carolina.rr.com>
>> To: "Ducati Owners Group" <ducati at ducati.net>
>> Sent: Thursday, February 28, 2008 11:37 AM
>> Subject: Re: [Ducati] Carb Setting Info, 95, 900SP
>>
>>
>>>I had all sorts of problems with my 93 db2.  When I was looking to work 
>>>on the carbs I noticed the opening in the air box was about the size of a 
>>>quarter.  Either of the two carbs had bigger throats so I just removed 
>>>that little nose piece from the air box and all my problems went away. 
>>>Not only that but with the bimota full flow exhaust it would pull hard to 
>>>the 9K red line  Classic case of too lean do to air flow blockage so I 
>>>would say you can safely stay with the stock carbs.  I also had a 95 900 
>>>SS/SP and it was a wonderful bike and would pull hard to about 8,500 rpm. 
>>>It has a K&N filter, open air box and after market mufflers.  I checked 
>>>my maintenance records and unfortunately I did not write down the jetting 
>>>changes that were made to it.
>>>
>>> Jim
>>>
>>> Jim Calandro
>>> il Capo
>>> US DESMO
>>> www.usdesmo.com
>>> 704-843-0429
>>> ----- Original Message ----- 
>>> From: "cedwards105" <cedwards105 at cfl.rr.com>
>>> To: "Ducati Owners Group" <ducati at ducati.net>
>>> Sent: Thursday, February 28, 2008 11:32 AM
>>> Subject: Re: [Ducati] Carb Setting Info, 95, 900SP
>>>
>>>
>>>> My Bimota Db2 has a '93 900SS engine and stock Mikuni carbs. Even after 
>>>> two days of dyno testing and jetting, we could not dial out the stumble 
>>>> and lag getting back on the gas.
>>>>
>>>> Keihins fixed the problem.
>>>>
>>>> ----- Original Message ----- 
>>>> From: <ducati5555 at aol.com>
>>>> To: <ducati at ducati.net>
>>>> Sent: Thursday, February 28, 2008 11:14 AM
>>>> Subject: Re: [Ducati] Carb Setting Info, 95, 900SP
>>>>
>>>>
>>>>>
>>>>> thanks Jim
>>>>>
>>>>> good info, will take a look over the weekend.
>>>>>
>>>>> Mike
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: Jim Calandro <capo at carolina.rr.com>
>>>>> To: Ducati Owners Group <ducati at ducati.net>
>>>>> Sent: Thu, 28 Feb 2008 7:51 am
>>>>> Subject: Re: [Ducati] Carb Setting Info, 95, 900SP
>>>>>
>>>>>
>>>>>
>>>>> Mike?
>>>>> ?
>>>>> If cutting down on air flow, air filter and air box lid, made the 
>>>>> situation worse then I would guess you have a rich condition and 
>>>>> depriving it of air made it richer. With that logic I would say 
>>>>> lowering the needles might help as they will cut back on fuel flow and 
>>>>> make it leaner, the direction I think you might like to head. Look at 
>>>>> the jet sizes and compare them to stock to see what has been done. I 
>>>>> suspect the owner went up a few jets too many.?
>>>>> ?
>>>>> I pulled out the Ducati service manual I bought back in early 94 and 
>>>>> it says it should have the following?
>>>>> ?
>>>>> Mikuni?
>>>>> Type BDST 38-B67?
>>>>> Choke 38?
>>>>> Needle Valve jet Y-2?
>>>>> Main Jet 140?
>>>>> Starting Jet 70?
>>>>> Idling Jet 42.5?
>>>>> Needle Jet 5C19?
>>>>> Pos from top 4th?
>>>>> ?
>>>>> I do not think they changed much of this over the years but they could 
>>>>> have gone leaner for EPA reasons but this would be a good starting 
>>>>> point.?
>>>>> ?
>>>>> Jim?
>>>>> ?
>>>>> Jim Calandro?
>>>>> il Capo?
>>>>> US DESMO?
>>>>> www.usdesmo.com?
>>>>> 704-843-0429?
>>>>> ----- Original Message ----- From: <Ducati5555 at aol.com>?
>>>>> To: <ducati at ducati.net>?
>>>>> Sent: Thursday, February 28, 2008 9:37 AM?
>>>>> Subject: [Ducati] Carb Setting Info, 95, 900SP?
>>>>> ?
>>>>>> The bike ran ok, except it has a stumble when you crack the throttle. 
>>>>>>  > Full?
>>>>>> throttle it seems to run ok. But just cruising is very annoying. The 
>>>>>>  > bike?
>>>>>> has aftermarket exhaust. When I pulled the tank up I noticed it had 
>>>>>> no > airbox?
>>>>>> lid or air filter!. So I bought a K and N and found a lid off of 
>>>>>> Ebay.?
>>>>>> Installed them and the stumble is now even worse. I have no idea what 
>>>>>>  > was done?
>>>>>> to the carbs.?
>>>>>>?
>>>>>> Obviously, the carbs need some work. Is there like a baseline to 
>>>>>> start?
>>>>>> with, with the mods I have mentioned? Pilot jet, air mixture 
>>>>>> adjustment, > etc? I?
>>>>>> have adjusted Keihin carbs on my Monster and on all my dirt bikes, 
>>>>>> but > have?
>>>>>> no experience with Mikunis.?
>>>>>>?
>>>>>> Thanks?
>>>>>> Mike?
>>>>> ?
>>>>> *****?
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>>>>> 2007?
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>>>>
>>>>
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>>
>>
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>> www.DucatiDayDaytona.com The most Ducati fun under the sun! March 7th, 
>> 2007
>> *****
>>
>> Ducati.net is sponsored by oncycles.com, who has the largest selection 
>> and
>> lowest prices, on the finest motorcycle products anywhere, all served 
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>
>
> *****
> www.DucatiDayDaytona.com The most Ducati fun under the sun! March 7th, 
> 2007
> *****
>
> Ducati.net is sponsored by oncycles.com, who has the largest selection and
> lowest prices, on the finest motorcycle products anywhere, all served with
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