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› What is that switch attached to the carb?
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What is that switch attached to the carb? (Read 526 times)
LiPix
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What is that switch attached to the carb?
10/31/14 at 05:39:10
Hello all!, writing from Catalunya, Spain.
I bought my new L650 of '00 and 20.000km two weeks ago. Now we are beggining to know each other
.
I have some problems with fuel when I go at low throttle, it seems that the petcock doesn't create the needed vacuum and I have some starvation.. sympthoms are gone when I switch to RES or PRI, maybe there's a problem with the ON.
Inspecting the carburator, pipes, etc, I found an electrical switch that is turned on when throttle is full opened. I cannot follow the wire without umounting the tank,... somebody could give me an idea of what this switch is?
I attach two images:
Thank you all!
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Re: What is that switch attached to the carb?
Reply #1 -
10/31/14 at 06:00:33
I have never seen that before......don't know what it does.
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Re: What is that switch attached to the carb?
Reply #2 -
10/31/14 at 06:48:22
Definitely not something seen in the states, but my guess (I am not an expert) is that with it being mounted on the TEV maybe it has something to do with the throttle/fuel supply and somehow works alongside the TEV to let something somewhere know its position (pulling or not pulling a vacuum)? Completely random guess but I'd have to see it and trace the wires.
Taking the tank off (remove the seat first) is pretty easy, just watch for the petcock to scrub the frame but it'll come off with the petcock still on there if you're easy on her.
Lastly, I can't read the numbers in the part clearly but maybe try googling the part numbers on the chip and see if it leads you to something.
Welcome, and good luck with your new bike! It's a fun ride that's easy to work on and you'll really come to enjoy it!
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Re: What is that switch attached to the carb?
Reply #3 -
10/31/14 at 06:51:03
Any chance the previous owner had a Nitrous Oxide system installed?
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Re: What is that switch attached to the carb?
Reply #4 -
10/31/14 at 07:04:11
That thought crossed my mind too. Did the PO install some gadget? If you look closely at the whole thing it looks pretty clean as if it's factory made versus a bunch of frankenstein add-ons. Strange.
I'm really interested to hear what it is if/when someone figures it out.
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Re: What is that switch attached to the carb?
Reply #5 -
10/31/14 at 07:08:22
Quote:
it seems that the petcock doesn't create the needed vacuum and I have some starvation.. sympthoms are gone when I switch to RES or PRI, maybe there's a problem with the ON.
The performance problem you describe definitely sounds like a petcock problem as you have already noted. Here is a link to the technical section describing how to test the petcock.
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429/1
In the technical section of this forum you will find an index and there is an entire section dedicated to petcock problems. I still use the stock petcock but many people do have problems with it.
As for that electrical device, I have never seen one but there are European members on this forum and they might be able to help you out.
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Re: What is that switch attached to the carb?
Reply #6 -
10/31/14 at 07:18:54
Does your carburetor have the usual black choke knob on the other side? I'm wondering if it's auto bystarter.
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Re: What is that switch attached to the carb?
Reply #7 -
10/31/14 at 07:23:45
Well by the D2SW part number I think it comes from this company, not sure though....it could be a generic code for micro switches...
http://www.omron.com/ecb/products/sw/14/d2sw.html
P.S. that is not a stock carb for a LS650
Electronic enrichment switch?
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Re: What is that switch attached to the carb?
Reply #8 -
10/31/14 at 07:41:18
old_rider wrote
on 10/31/14 at 07:23:45:
P.S. that is not a stock carb for a LS650
It looks like the stock carb to me.....except that he throttle shaft has been extended and the lever added, and the support for the switch uses the TEV screws to hold the switch on.....all very much factory looking to me....although not for the US bike.
Until we know what the other end of the wires connect to....we are not going to figure this one out.
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Re: What is that switch attached to the carb?
Reply #9 -
10/31/14 at 07:52:36
That's a EU gadget.
probably a hp limiter for learners.
We don't have that in the US.
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Re: What is that switch attached to the carb?
Reply #10 -
10/31/14 at 08:10:44
Ok, I was WRONG.... it is an EU part... go here for the parts list...
It is listed at number 47 on the carb break-down as a "throttle switch"
https://www.motorcyclespareparts.eu/suzuki-parts/motorcycles/ls650-savage-200...
Guess I need some coffee in me before I type stuff
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Re: What is that switch attached to the carb?
Reply #11 -
10/31/14 at 08:17:58
So.....what does it do?
If you go to full throttle it will:
Blow the horn?
Flash the headlight?
Divert the 10,000 volts from the spark plug to your throttle hand?
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Re: What is that switch attached to the carb?
Reply #12 -
10/31/14 at 08:40:27
Dave wrote
on 10/31/14 at 08:17:58:
Divert the 10,000 volts from the spark plug to your throttle hand?
You wish it was your hand
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Re: What is that switch attached to the carb?
Reply #13 -
10/31/14 at 22:57:50
MAN!Don't mess with That! That's the Self Destruct mechanism!
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Re: What is that switch attached to the carb?
Reply #14 -
11/02/14 at 17:22:31
Yell, "Go go gadget, motorcycle!" at full speed and see if it turns into something.
Jeff
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Yeah, like I have any clue what is going on....
http://myrycabuild.weebly.com
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