Mounting place of throttle return spring

[DKGS]

Dear all,

I am working on GS550. The year is hopefully being identified somewhere in this forum, but I guess that we are somewhere around 1978-1980. It is a bike that I have bought in boxes, and now I am trying to put the puzzle back together and the first issue (aside from actually identifying the model and year) is figuring out how to mount the throttle return spring. The carb “puzzle” came with a spring, and one end of the spring mounts on the same “thingamajig” that the throttle cables mount to on the carburetor… but I can't find a place to mount the other end of the throttle return spring.
I have found a video on GS550 carbs, and that seems to display some small rod or bracket connecting the two carbs surrounding the aforementioned thingamajig, but I can't find something like that on the microfiche.

Anyone with a 1978-1980 GS550 with Mikuni carbs that knows where to connect the bottom end of the throttle return spring?

Any help would be greatly appreciated.

Thanks and best regards,

Michael

[rphillips]

Thinking, You have a kick start, so got to be be "77", "78", or "79". Got to be VM carbs. A parts diagram from a Suzuki Parts site, Suzuki Parts Monster, Parts House, etc. for any of those yrs. the carbs diagram should be a big help.

[DKGS]

Dear all,

I continued the research, and I found this clip where "The Urban Monk" almost forgets it when he puts the carbs back together:

https://youtu.be/jqKgvIuMIF4?si=DR1EoZX1VNSGvA3u&t=1063

I cant find that part on any microfiche. Does anybody know the part number of name of such a thing?

rphillips Thanks for you answer. I have scoured Suzuki Parts House, but I have yet been unable to locate that specific part. Not knowing exactly what bike I am working with, does not make anything easier


BR M

[Nessism]

There are a number of small parts, that are part of a larger assembly, that are not offered for sale. A part like that would be a very simple lathe project for someone though. I'd do it for you, but your location would make shipping the part expensive and time-consuming.

[DKGS]

Thank you for your kind offer Nessism, but I am afraid that you are right. It would be an expensive part, once it hade made it all the way from the US to Denmark. I don't have a lathe myself, but if the part isn't available, Ill have to conjure up something.

[MobiusWorks]

Hope you have not given up, I just picked up a 78' GS550, on the GS550 both throttle cables mount between carbs 3 and 4. A flat metal bracket one for each cable with a pin pivot, there is a spring that acts on the throttle return cable (engine side) throttle cable bracket and the carburetor rack. I can see mine flex the twisting the throttle.