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Nelsthebass
Firing on two.
Joined: October 5th, 2009, 8:22 pm
Posts: 1415
Location: Stone, Staffs
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 Re: Main Jet Confusion! Exactly my thoughts RT when I saw the previous pictures - the "brass screw" will be a jet - it should have the size stamped on it somewhere......
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1987 2CV Special
2014 Suzuki Swift Sport
2015 Lexus NX300h
1966 Ami Break
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| May 11th, 2013, 6:56 pm |
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Rhythm Thief
Firing on two.
Joined: March 10th, 2010, 12:37 am
Posts: 1927
Location: Alone in my polytunnel with my pitiful competition onions
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Re: Main Jet Confusion! Here we go ... this is a 135 jet, which is probably too big. But it should give you an idea of what the jet in your carb looks like. 
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The best things in life aren't things.
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| May 11th, 2013, 6:58 pm |
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Rhythm Thief
Firing on two.
Joined: March 10th, 2010, 12:37 am
Posts: 1927
Location: Alone in my polytunnel with my pitiful competition onions
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Re: Main Jet Confusion! Apologies for the crap photo, couldn't be bothered digging the flash out!
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The best things in life aren't things.
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| May 11th, 2013, 6:59 pm |
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Nelsthebass
Firing on two.
Joined: October 5th, 2009, 8:22 pm
Posts: 1415
Location: Stone, Staffs
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Re: Main Jet Confusion! Should look something like these too from Ecas http://www.ecas2cvparts.co.uk/-c-13_15.html
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1987 2CV Special
2014 Suzuki Swift Sport
2015 Lexus NX300h
1966 Ami Break
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| May 11th, 2013, 6:59 pm |
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Nelsthebass
Firing on two.
Joined: October 5th, 2009, 8:22 pm
Posts: 1415
Location: Stone, Staffs
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Re: Main Jet Confusion!
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1987 2CV Special
2014 Suzuki Swift Sport
2015 Lexus NX300h
1966 Ami Break
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| May 11th, 2013, 7:01 pm |
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paulkell
Joined: May 2nd, 2012, 6:12 pm
Posts: 8
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Re: Main Jet Confusion! That would make sense. Many thanks for your all your advice. Hopefully I haven't dug about in there too much and caused any damage! Will see if I can get a 125 for it. Cheers
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| May 11th, 2013, 7:19 pm |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: Main Jet Confusion! Out of interest, where did this carburettor come from, as that's a very early version of the 26/35, usually set up for use with a rod operated throttle.  Before you dive in and order a 125 jet, best to check the size of the secondary main jet. As with the primary main jet, it should have its size stamped onto the slotted head... ken paulkell wrote: That would make sense. Many thanks for your all your advice. Hopefully I haven't dug about in there too much and caused any damage! Will see if I can get a 125 for it. Cheers
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| May 11th, 2013, 11:50 pm |
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Sean
Firing on two.
Joined: April 22nd, 2009, 11:06 pm
Posts: 3684
Location: Ecosse
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Re: Main Jet Confusion! paulkell wrote: That would make sense. Many thanks for your all your advice. Hopefully I haven't dug about in there too much and caused any damage! Will see if I can get a 125 for it. Cheers its an M5 threaded jet so there should be no end of suppliers of Mikuni jets on T'internet ( if you get no joy at a proper2cv emporium).They seem to have been fitted to ATVs, snowmobiles chainsaws ride on lawmmowers scooters motorbikes jet skis -just about anything with a medium sized petrol engine. example picked at random http://www.ebay.co.uk/itm/BRASS-MAIN-JET-SLOT-MIKUNI-CARBURETTOR-RANGE-OF-SIZES-/290878852882?pt=UK_Men_s_Activewear&var=&hash=item43b9bb0f12
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Kissing the Lash
"Any advice of a technical nature is given on the understanding that I've actually done this shit, not just read about it in D*lly club mag some time ago.
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| May 12th, 2013, 8:17 am |
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paulkell
Joined: May 2nd, 2012, 6:12 pm
Posts: 8
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Re: Main Jet Confusion! not sure Ken. I took car to local (Jersey) Citroen specialist (!?) as it kept cutting out. They diagnosed carb was u/s and had a reconditioned one that they put on - it looks quite new tbh. Anyway, it runs ok but just has usual flat spot (perhaps bigger than normal) and doesn't pull very hard.
I'm not sure where the carb came from but will visit the garage and ask for me info.
Do you have advice on what size the secondary should be if I put the primary to 125?
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| May 12th, 2013, 9:52 am |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: Main Jet Confusion! As fitted to 2CVs, the secondary main jet would have been 70 and that doesn't usually need to be changed, unless you're racing.  It's usually possible to read that jet size without removing it, as long as the float bowl is empty. ken paulkell wrote: not sure Ken. I took car to local (Jersey) Citroen specialist (!?) as it kept cutting out. They diagnosed carb was u/s and had a reconditioned one that they put on - it looks quite new tbh. Anyway, it runs ok but just has usual flat spot (perhaps bigger than normal) and doesn't pull very hard.
I'm not sure where the carb came from but will visit the garage and ask for me info.
Do you have advice on what size the secondary should be if I put the primary to 125?
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Last edited by ken on December 5th, 2013, 11:48 am, edited 1 time in total.
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| May 12th, 2013, 11:41 am |
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