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ducatipaso.org :: View topic - 3000 RPM Hiccup
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3000 RPM Hiccup
http://ducatipaso.org/forum/viewtopic.php?f=3&t=1352
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Author:  Shelboss [ Fri Sep 29, 2006 6:10 pm ]
Post subject:  3000 RPM Hiccup

My bike has a FIM chip and Two Brothers slip-on mufflers. It runs fine at higher rpm's by will miss a beat occasionally if I cruise at 3000 rpm or below. Does this motor just not like the lower rpm's or do I need to adjust the % CO level with the trim screw in the computer?

Author:  persempre907 [ Fri Sep 29, 2006 9:26 pm ]
Post subject: 

Hi Shellboss,
my bike is entirely stock and has the same issue. Principally, when it's hot.
Ciao

Author:  Finnpaso [ Sat Sep 30, 2006 7:51 pm ]
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Author:  persempre907 [ Sun Oct 01, 2006 6:01 am ]
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Author:  Finnpaso [ Mon Oct 02, 2006 12:10 pm ]
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I started to have such "heat problems", when my valve seats went poor condition(material problems in factory with valve seats) in my 907IE. Clearanses start to be "too tight", so have to adjust valves every 5000kms... :sad: Its fixed already with much better material in my heads. :evil: That make such, that my bike was good, when cold, but when engine warmed, then it started to run poorly.... That seems to have been as "factory material problem" close year 1990-1991. I have heard/read, that they had plenty of such "bad heads" in that time and especially in 907 engine, not so much 906 times one year earlier.

Author:  Shelboss [ Mon Oct 02, 2006 6:24 pm ]
Post subject: 

Thanks Francesco, yes mostly when it is hot! Antti, there is an idle adjust but also a trim pot inside the control module that adjusts the entire range. This site explains the adjustment procedure, but it requires a CO meter:
http://webpages.charter.net/strysnie/ducati/fi.html
Higher rpm's, beat on it more, check!

Author:  Finnpaso [ Mon Oct 02, 2006 7:00 pm ]
Post subject: 

SURELY it NEEDS CO2 meter to chack IDLE CO2 trim!!!!! ...and best way is to weld enough accurate Lambda sonds to BOTH exhaust, about 15-20cm from heads and then You can check much easier CO2 trim.... IDLE adjust is TOTALLY different thing, than IDLE CO2 trim(that small potentiometer inside P7 ECU)! :evil: That IDLE CO2 potentiometer adjust ONLY under 2000 RPM:s, os so....

And surely there is only one way to check all points of injection system, what i have posted long time ago to this site(one Australian site..) Need to check many thing FROM TPS voltage... ... TO this IDLE CO2 trim, what is last thing to check.... ... and readjust and check again.... Not very bad job, but need some time and some cigarettes(if guy is smoking...), but can be done, if U have ACCURATE Lambdas/ good Co2 meter, Carb. balancing meters, Multimeter, etc, normal garrage things..... :evil:

Author:  persempre907 [ Tue Oct 03, 2006 7:25 pm ]
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Author:  Finnpaso [ Tue Oct 03, 2006 8:09 pm ]
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Author:  persempre907 [ Wed Oct 04, 2006 3:11 pm ]
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Author:  Finnpaso [ Wed Oct 04, 2006 7:50 pm ]
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Author:  Fraser [ Thu Oct 05, 2006 8:40 am ]
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Author:  Finnpaso [ Thu Oct 05, 2006 11:38 am ]
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Author:  qldman36 [ Thu Oct 05, 2006 2:06 pm ]
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Author:  persempre907 [ Thu Oct 05, 2006 2:44 pm ]
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