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Solex 40 phh pictures


jp02ti

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the workshop manual is not so clear on which jet is whick, so I documented my inspection. these are the old carbs off the ti, and they have siezed throttle butterflies. I have another set of solxes which now have all the jets from this set.

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You'll probably need to swap the choke tubes(air tubes) off your '02 carbs too.

My carbs were 1800 Ti carbs and had 32mm choke tubes. The 2 liter calls for 34mm choke tubes (marked, as seen in your 1st pic). I ended up boring my choke tubes out from 32mm to 34mm. Pulling the choke tubes out was pretty easy to do, just a little more work than with the Webers.

http://www.bmw2002faq.com/component/option,com_forum/Itemid,50/page,viewtopic/t,334735/highlight,/

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Fishhead

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Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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Great documentation so far Jon, I will be keeping these images, if that's alright, in case I ever have to tackle the same job.

I hope you have started a blog on your car, as it will be nice to see such a great car resurrected.

FYI on bimmerforums.com there is a recent entry about a couple in the US who have bought a 69 ti.

But that site won't let me register, so I can't ask them about it.

Interested to find out if it's a real ti they bought, or a clone.

V&V is a long shot for me, but if the stars align, I might be able to make the trip.

PS in Canada, CTC is your friend :)

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Tony, can you send me a link to the conversation? I can't see it on bimmerforums.

CTC - one of my first stops when i come back. something about the smell and total lack of customer service makes it feel like home! :)

Oddly enough, both the carb sets had 34mm chokes on them. now i'm starting to suspect these replacement carbs were not fitted to a BMW at all, maybe something else?

who knows. hopefully I'll get some time tonight to run the car and see if these changed have cured my lean condition!

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I had a issues with the venturi tubes on mine. They were distorted out of round from the lock bolts on the side being tightened too much. You could see a lot of light between the tube and carb body. I tweaked them back round and turned a groove for a 3/32" O ring on the outside of the tube so no air could leak past.

In reference to your second pic of air correction jet. If you want to try a smaller jet you can bend various sizes of wire into a flattened U. Drop each leg of the U shaped wire into the jet. The cover plate will keep the wire in.

If I remember right you can see the fuel level through the holes to the left and right of the air correction jets without having to take the whole float assembly out.

Whatever you do don't block the float bowl vent and make sure its clear of spider nests.

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  • 3 weeks later...

I had an issue of my Solex'es popping and farting. Mostly at idle and at part throttle.

I searched for pics of the PHH's here,there and everywhere else for any information I could find.

There isn't much technical information on these carbs, but here is what I found on my set (1800Ti converted to '02 specs). Since I am using "these" carbs on "that" engine, I don't know what is correct, but it seams to have been a step in the right direction.

Pic 1:

The "ports" pointed out with the arrows were open to the air (not plugged). Every picture I have found of the PHH's have these ports plugged.

Pic 2:

My experimental "see if these ports are 'sposed to be closed off from the atmosphere" with pieces of tape.

With the ports taped off, it idles a lot better and doesn't pop and fart any more. It is a tad rich at idle now and the idle fuel air screws are open only about 1/2 turn for best idle. I will be installing smaller idle fuel jets to see if it will lean out my idle mixture some and I will probably be installing permanent plugs in the now open ports.

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Fishhead

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Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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  • 2 weeks later...

I originally was going to put a lead shot in the hole and peen it to plug the holes. Sounded great in theory, but when I went to peen the 1st shot to seal up the hole, it pushed right through the hole.(it was one of those "I guess I should have put more thought into that" moments)

My "plugs" were drilled already so I screwed in a wood screw to remove them and they came out easily. I made up a set of 4 aluminum plugs to be pressed fit to seal up the remaining holes in the carbs (pressed fit as in tap in with a hammer).

The set of plugs I made are taller than the original plugs and are larger in diameter at the top so the shoulder would seat against the top of the carb and not be seated in too far. I also made them like this so I would be able to remove them in the future if needed (and reuse).

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Fishhead

----------------------

Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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  • 2 weeks later...

Hmmm...

My 1800 Ti carbs don't have "emulsion tubes" (per-say) either, they have little "stubs"(about 1.5 inches long, no cross drilled holes in them like the typical emulsion tubes have) that are held in with the air corrector jets. My carbs could have lost the emulsion tubes on their trip to me, but I don't know for sure. There is very little information on the web(or at least very specific information, like this).

Does your set have emulsion tubes?

The attached picture shows what I am missing(maybe?). It could be a complete assembly (pictured with the green arrows) or it could be "pressed on" to the "tubes/stubs" that I already have(like shown with the red arrows). The lack of emulsion tubes may have something to do with the open ports or my set could have been missing the emulsion tubes altogether. I have ordered a set of emulsion tubes to see if it will make a difference.

My set would pop and fart through the open ports when running. Since I have closed them off my idle is smoother and no popping or farting.

Here's some Solex PHH links I have found (some are NK,2002 etc)

1800Ti (ports look closed off ?, could be a generic picture)

http://nkbmw.com/t8.phtml

PHH Float level (Thanks-- CD, I think)

http://s226.photobucket.com/albums/dd318/cd02md/BMW%20NEUE%20KLASSE/?action=view&current=40PHHfloatlevel1.jpg&newest=1

http://s226.photobucket.com/albums/dd318/cd02md/BMW%20NEUE%20KLASSE/?action=view&current=NKCARBSCOOLINGspecs.jpg&newest=1

http://www.bmw2002faq.com/component/option,com_forum/Itemid,57/page,viewtopic/t,225588/highlight,phh/

http://www.bmw2002faq.com/component/option,com_forum/Itemid,57/page,viewtopic/t,322103/highlight,solex+phh/

http://www.bmw2002faq.com/component/option,com_forum/Itemid,57/page,viewtopic/t,325849/highlight,phh+jetting/

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Fishhead

----------------------

Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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  • 2 weeks later...

It'd be great if there was more information on the Solex PHH's on the net, but there isn't.

I got my emulsion tubes. I had to machine out the emulsion tube "holder/float cover/top" as the tubes in my 1800 carbs were held in with the air jet and the new tubes are pressed fit from the bottom.

Pic 1:

Shows the old 1800 emulsion tube and air jet. The new tube (on the bottom) shows the difference between the 2. The small end of the new tube gets pressed in the bottom of the float cover/top and needed to be machined out to get it to be press fit (the existing hole was too small). The installed "tube" is the 1800 tube. I can still go back to the 1800 tubes if needed.

Pic2:

Shows the new tubes installed.They are a lot longer than the 1800 tubes and actually resemble what I would call an emulsion tube.

Pic3&4.

Every one who has the PHH's have seen the picture of the factory tool that is "needed" to set the float levels in the carbs. Well, I don't have one, I'm not going to look for one, so I figured I'd make one. I got a new "main jet holder" with my emulsion tubes and I drilled it out and threaded it to put an allen bolt in it and drilled a hole through the allen bolt. A piece of clear tube is put on the head of the allen screw and will be bent up to"resemble" the factory tool. I haven't used it yest, but I probably will tomorrow.(FYI, I got this idea from the Kawasaki KZ 900/1000 uses a very similar tool to the one I made that replaces the stock drain screw to set the float level).

Now, the emulsion tubes that I have now, have plugs in the bottom and aren't open to the fuel at the bottom of them(like shown in the diagram above). My Clymer and Haynes manuals both show the emulsion tubes as having plugs in the bottom. All the emulsion tubes that I have seen (mostly motorcycle) are open at the bottom and this makes sense to me as it would emulsify better.

Does anybody have 2002 Ti PHH's ? Can you check to see if your emulsion tubes have plugs in the bottom?

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Fishhead

----------------------

Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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It'd be great if there was more information on the Solex PHH's on the net, but there isn't.

quote]

Anything here of assistance? I ran across this site some time ago.

http://www.02-club.de/technik/solex.htm

And yes - I am a huge fan of the ti.

Jim Gerock

 

Riviera 69 2002 built 5/30/69 "Oscar"

Royal Red 69 VW Squareback built 8/13/68 “Patty”

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It'd be great if there was more information on the Solex PHH's on the net, but there isn't.

quote]

Anything here of assistance? I ran across this site some time ago.

http://www.02-club.de/technik/solex.htm

And yes - I am a huge fan of the ti.

Thanks for the link, but no, not really any info for the early Solex PHH there.

Most of the stuff that I have been finding has been for the later version of the PHH as they seam to be more popular.

Heres a link to a Solex and Mikuni PHH "Specialist"

http://www.rmcarburetors.net/index.htm

No early PHH information there either.

Fishhead

----------------------

Motorcycle Big Brake systems

Be yourself and be free with your thoughts because those who matter don't mind and those who mind don't matter..

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