Poor running ... update

Post Reply
A.griffin
Posts: 8
Joined: Thu Jul 01, 2004 7:39 pm

Poor running ... update

Post by A.griffin » Tue Apr 12, 2005 12:29 am

Terry, Have you checked for ovality of the carburetor throat at the throttle butterfly. If the flange is distorted by excessive tightening this will make the throat dia. oval at the flange, which can transfer decreasingly to the butterfly upsetting the fit. I recently saw one carburetor with ovality of about 1 mm. at the flange. Facing the flanges won't help this situation. A new carburetor is needed ! Alan Griffin [Non-text portions of this message have been removed]

fnitz
Posts: 60
Joined: Sat Jun 21, 2003 9:40 am

Re: Poor running ... update

Post by fnitz » Tue Apr 12, 2005 10:32 am

That won't affect the mixture, however, just the ability to close completely resulting in a high idle. My carbs have this problem to a mild extent resulting in an idle around 1000 rpm. I have a set of new carbs but haven't yet installed them. Fred TC1353 -----Original Message----- From: A.griffin [mailto:alibar@picknowl.com.au] Sent: Tuesday, April 12, 2005 12:23 AM To: mg-tabc@yahoogroups.com Subject: [mg-tabc] Poor running ... update Terry, Have you checked for ovality of the carburetor throat at the throttle butterfly. If the flange is distorted by excessive tightening this will make the throat dia. oval at the flange, which can transfer decreasingly to the butterfly upsetting the fit. I recently saw one carburetor with ovality of about 1 mm. at the flange. Facing the flanges won't help this situation. A new carburetor is needed ! Alan Griffin [Non-text portions of this message have been removed] Yahoo! Groups Links

David Lodge
Posts: 156
Joined: Mon Oct 15, 2007 5:44 pm

Re: Poor running ... update

Post by David Lodge » Wed Apr 13, 2005 8:32 pm

Hello Alan, Not necessarily! Midel Pty. in Oz will sleeve your carbs and make all well again! Haven't used them but perhaps Murray, Reddo & co. might be able to advise? Regards, David Lodge ----- ORIGINAL MESSAGE ----- From: "A.griffin" alibar@picknowl.com.au> To: mg-tabc@yahoogroups.com Subject: [mg-tabc] Poor running ... update Date: 12.4.2005 - 9:29:23
> > Terry, > > Have you checked for ovality of the carburetor throat > at the throttle butterfly. If the flange is distorted > by excessive tightening this will make the throat dia. > oval at the flange, which can transfer decreasingly to > the butterfly upsetting the fit. I recently saw one > carburetor with ovality of about 1 mm. at the flange. > Facing the flanges won't help this situation. A new > carburetor is needed ! > > Alan Griffin > > [Non-text portions of this message have been removed] > > > > > Yahoo! Groups Links > > > > > > > >
-- Ochrana proti p esm rov n na drah linky. Ji dn vysok ty! VOLN internet alarm - je t bezpe n j surfov n ! Sta en i pou v n je ZDARMA na http://alarm.volny.cz

Terry & Lynda-May O'Brien
Posts: 31
Joined: Mon Nov 26, 2001 4:21 pm

Re: Poor running ... update

Post by Terry & Lynda-May O'Brien » Wed Apr 13, 2005 9:36 pm

I used them and the carbs are better than new. At the time had a friend travelling between Sydney and Vancouver and his help made a big difference. Terry in Vancouver David Lodge wrote:
>Hello Alan, > >Not necessarily! Midel Pty. in Oz will sleeve your carbs and >make all well again! Haven't used them but perhaps Murray, Reddo >& co. might be able to advise? > >Regards, David Lodge > > > > > >----- ORIGINAL MESSAGE ----- >From: "A.griffin" alibar@picknowl.com.au> >To: mg-tabc@yahoogroups.com >Subject: [mg-tabc] Poor running ... update >Date: 12.4.2005 - 9:29:23 > > > >>Terry, >> >>Have you checked for ovality of the carburetor throat >>at the throttle butterfly. If the flange is distorted >>by excessive tightening this will make the throat dia. >>oval at the flange, which can transfer decreasingly to >>the butterfly upsetting the fit. I recently saw one >>carburetor with ovality of about 1 mm. at the flange. >>Facing the flanges won't help this situation. A new >>carburetor is needed ! >> >>Alan Griffin >> >>[Non-text portions of this message have been removed] >> >> >> >> >>Yahoo! Groups Links >> >> >> >> >> >> >> >> >> >> > > > >
[Non-text portions of this message have been removed]

Post Reply

Who is online

Users browsing this forum: No registered users and 11 guests