[Ducati] 900SS - Wits End

[Fowler, Clarke]

One more thing you could check is for air leaks in the intake manifolds.
Check the seams for leaks at the cylinder head and at the carb by
running the engine at idle and holding an un-lit propane torch near the
seams.  You don't need much to suck into the intake charge to cause an
increase in engine RPM.  It will point you right to any leaks.
Clarke F.

Merritt Island, FL

'93 750 SS
'84 RZ 350 KR


-----Original Message-----
From: ducati-bounces at ducati.net [mailto:ducati-bounces at ducati.net] On
Behalf Of cedwards105
Sent: Wednesday, October 24, 2007 12:00 PM
To: Ducati Owners Group
Subject: Re: [Ducati] 900SS - Wits End


I think, and I know the experts will correct me if I'm wrong, there is a

vacuum bladder at the top of the carb. If this has a slight hole, cut
etc. I 
think the carb slide will remain in the up position and you will
experience 
the rpm's remaining high.

----- Original Message ----- 
From: "Alex Pearsall" <rebelpacket at rebelpacket.net>
To: "Ducati Owners Group" <ducati at ducati.net>
Sent: Wednesday, October 24, 2007 11:30 AM
Subject: Re: [Ducati] 900SS - Wits End


>
> Hey Peter,
>
> Thanks for the reply! Throttle cables was my first thought, but the
cables
> move freely, and return home with a audible "snap".  I'll run the bike
> without the airbox lid and filter tonight, see if I can't see a slide
> sticking.  I'm using the stock Mikuni carbs.
>
> How lean is your horiz cylinder?  My plug is coming back white, and
the
> horiz cylinder gets noticiably hotter than the vert barrel + head.
>
> -Alex
>
>
>
>> My 900SS has a leaner looking plug on the horizontal cylinder than
the
>> verticle cylinder as well so I don't know if that part is just
normal.
>> Any chance you are just having a sticky throttle cable or having the 
>> cable
>> jam up somewhere?  If you have the flat-sides this is possible. 
>> Something
>> is keeping the slide from coming back down, either a sticky slide or
a
>> cable problem would be my guess.
>>
>> Peter
>>
>
>
>
> -- 
> Alex Pearsall
> http://www.rebelpacket.net/
>
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