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solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 16:17
by dugcati
Anyone know what the base settings should be for a solex 34 pict4 (A/C1600 carb) - I have had to put one of these on my van to get the LPG plan to come to fruitian and the one I have is set all over the shop. The engine fires up and will run at higher revs (mains) but it point blank wil NOT idle no matter where I set stops and screws.

I went for the old 2.5 turns out from home on the mixture and bypass screws to no avail.

I have heard rumours that Solex carbs develop mystery refusal to idle issues - is this true?

ta

Doug

Re: solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 20:38
by A KIRK
Sounds like the idle control valve is blocked, I get this quite alot on mine, as it brings rubbish up from the tank.

Without a pic its quite hard to describe where the idle control valve is, but standing behind van looking in its on the right hand side, and should be a nut probably 8maybe 10mm with a slot for a flat edged screw driver, simply remove it, clear the hole and that should help

Re: solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 20:49
by The Bobdogs
Funny, but I had a very similar problem on my bus.... :rofl :rofl :rofl

Re: solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 21:57
by dugcati
Andy, Julie, & Bobdog wrote:Funny, but I had a very similar problem on my bus.... :rofl :rofl :rofl


be quite you! :roll: :lol:

Re: solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 22:58
by stephen t25
on an other note, does anyone know of a nice chrome bolt on top air filter for a ct1600 same carb ?

good luck, i love my ct , pulls like a train :ok

Re: solex 34 pict4 idle issues..

Posted: 11 Feb 2010, 23:29
by dugcati
stephen t25 wrote:on an other note, does anyone know of a nice chrome bolt on top air filter for a ct1600 same carb ?

good luck, i love my ct , pulls like a train :ok

I would expect the flat one you see on bays should fit...

Andrew I'll oik the idle control valve out and clean it up/check it over :ok

Re: solex 34 pict4 idle issues..

Posted: 12 Feb 2010, 06:45
by The Bobdogs
stephen t25 wrote:
i love my ct , pulls like a train :ok

Now thats not something you hear everyday....... :rofl :rofl
Mine just sounds like a train....Ivor the engine!!!..(think Idris can't be arsed these days though).. :rofl

Re: solex 34 pict4 idle issues..

Posted: 12 Feb 2010, 14:37
by A KIRK
Mine pulls like a train, like one of those toy trains, gets to a slight slope and slows right up lol

Re: solex 34 pict4 idle issues..

Posted: 14 Feb 2010, 10:40
by dugcati
well - cleaned out the idle control valve bit and no difference :oops: as said all the settings are all over the shop so without a starting point I think I'm pointing it into the wind a bit so to speak :evil: