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Getting the carbs back on
#319333 03/13/2009 11:04 AM
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Okay, cut me some slack here, this is the first time I've done this.

I'm trying to get the stock carbs onto the bike. I've managed to get the carb assembly into the proper position, but I can't seem to get the rubber connectors into place. Do I put the rubbers on first and then put the carbs in, or do I get the carbs into position first and then put in the rubbers? Either way, there doesn't seem to be enough room, even if I pull the airbox as far back as I can get it.

Any advice on getting these suckers back on the bike will be much appreciated.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319334 03/13/2009 11:10 AM
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from the tech vault
Quote:


These are the rubbers on the front of the Carburetors that attach to the intake manifolds. There is a particular orientation when installing the OEM ones part number T1240092. Last time I bought the OEM ones they cost under ten bucks each.

Thanks to member Pete (snekeptp) who posted on Wed Jun 27 2007 04:26 PM

Quote:

the divider between the clamps is wider on top
narrow on bottom.
now for the front to back ( engine to carb )
there is a small raised tab on the top of the boot
this is the front ( engine ) side of the boot.
see arrow in photo



The raised tab Pete speaks of is tiny. One has to look at the mold seam closely to discern it.

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




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Re: Getting the carbs back on
roadworthy #319335 03/13/2009 11:11 AM
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Thanks, that helps. Anything else?


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319336 03/13/2009 11:12 AM
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if you look inside the carb boots, one side will look like it fits over the carb, like a raised lip, the other side isn't as pronounced


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Re: Getting the carbs back on
roadworthy #319337 03/13/2009 11:14 AM
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Okay. What about my specific question: Carbs in first or boots on first?


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319338 03/13/2009 12:05 PM
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boot first (on the manifold, not the carbs) works best for me




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Re: Getting the carbs back on
roadworthy #319339 03/13/2009 12:32 PM
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Quote:

boot first (on the manifold, not the carbs) works best for me







Okay. I'll give it a try.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319340 03/13/2009 12:32 PM
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I run pods (no airbox) & normally postion the carbs first, then install the intake boots (raised nub toward cylinders) & then install the carbs into the boots. A shot of silicone spray on the boots will be a big help.

Re: Getting the carbs back on
B02S4 #319341 03/13/2009 12:44 PM
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If there's no airbox, doesn't that give you a whole lot more room to work with? I will definitely try some lubricant on the boots, though.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319342 03/13/2009 1:19 PM
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Placing the rubbers on manifolds first, with the stock airbox in place, fitting the carbs back on the manifold rubbers is tight, no doubt about it. They have very little clearance but will align so you can coerce them into place. Make sure that you remove the snorkel (like you are going to replace the air filter) so the airbox slides back as far it can.


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Re: Getting the carbs back on
moe #319343 03/14/2009 12:00 AM
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Don't forget the airbox bolts under the fender.

http://www.dinqua.com/Triumph/carbs3.html


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Re: Getting the carbs back on
Lazyrider #319344 03/14/2009 8:16 AM
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Quote:

Don't forget the airbox bolts under the fender.





That's what I was wondering too. If you didn't remove these bolts, try that. It will give you a little extra wiggle room. Silicone spray helps also. Good luck.

Will

Re: Getting the carbs back on
Willthethrill #319345 03/14/2009 6:10 PM
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Okay, I got the carbs on, but now I have another problem - one of them is evidently leaking. At least I think this is what's happening. There's gas coming out a tube at the rear of the bike. There's no gas leaking between the tank and the carbs, so I figure one of them is overflowing (stuck float valve?) Is there a way to diagnose and/or remedy this without taking the carbs back off? I'm really not keen to repeat the day I had today.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319346 03/14/2009 6:17 PM
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If you replaced the bowl screws with allen head screws it is very easy to pull the bowls and fix anything, if not you still can just not as easily.

Get a piece of clear tube that fits the little nipple on the bottom on the bowl. Hold that tube up along the side of the carb so the open end is above the seam where the bowl meets the carb body. near that nipple where you attached the clear tube there is an allen screw, crack that open. This is the bowl drain, that clear tube will fill to the level of the gas in the bowl. If it is above the seam where the bowl meets the carb body then you have a float issue of some sort, this is also how you check to be sure you have the right level. The check needs to be done with the gas turned on so I would put the tube on, open the drain and then turn the gas on at the tank to minimize overflow.


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Re: Getting the carbs back on
The_Dog33 #319347 03/14/2009 8:02 PM
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Did you connect the fuel line to the lower T fitting? The top one is for over flow, and running fuel into it will shoot it right out the bottom T fitting.


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Re: Getting the carbs back on
roadworthy #319348 03/15/2009 12:03 PM
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Roadworthy was right. I had connected the fuel line to the overflow fitting. But now I have another problem. It started up and ran fine for a few minutes then died. After that, it wouldn't turn over again. Any ideas?


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319349 03/15/2009 6:54 PM
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did the solenoid click? could the battery be weak?


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Re: Getting the carbs back on
roadworthy #319350 03/15/2009 7:32 PM
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Quote:

did the solenoid click? could the battery be weak?


It's not the battery. It cranks, but it doesn't catch.

Re: Getting the carbs back on
Joe_Merlino #319351 03/15/2009 8:31 PM
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ah, you first said it didn't turn over. petcock on? if you loosen the bowl drain screws, does fuel come out?


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Re: Getting the carbs back on
roadworthy #319352 03/16/2009 8:38 AM
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Quote:

ah, you first said it didn't turn over. petcock on? if you loosen the bowl drain screws, does fuel come out?




Sorry. I misspoke.

Yes and yes. It's getting fuel.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319353 03/16/2009 11:51 AM
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Moving this into it's own thread, because (I think) it's a different issue.


-Joe Merlino Boston, MA USA 1982 BMW R100 (decomissioned), 2003 America Triumph: Cool enough for The Fonz, cool enough for me.
Re: Getting the carbs back on
Joe_Merlino #319354 03/16/2009 4:53 PM
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