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80 550L Carb Question

  • Thread starter Thread starter kinnet
  • Start date Start date
Are pictures really worth 1,000 words? Sorry about the angle and quality: best I can do with what I've got.
 
Ok so now I am home from work. And Rose has pretty much done all the work herself and I must say I'm rather impressed. She asked me to look and see if I agreed with what she surmised. The choke rod in fact seems to be correct. But the plungers aren't closing all the way for sure. Once we freed the plungers from the rod the bike seems to be running much better warm so that's definately part of the problem if not all of it. But what seems to sticking is the choke actuator. When the cable is pushed back in, the spring on the return arm seems to be hanging up, as the number two carb choke will stick open still while the rest since they're disconnected from the rod are shut all the way. I think we are going to try to clean and lube the mechanism and see if that helps.
 
mike_of_bbg said:
My tape measure says ~11-3/16" (sorry, you can convert to metric if you need). Mine's an 82, but I don't think the rail is different. The choke connection is, and I have the 80-81 parts if you need.

P.S. The rod extension on the right past the rod guide on carb #4 is about 11/16" when the choke is fully closed.
Click to expand...

What parts do you have?
I think I might need the mechanism that the choke cable attaches to on the #2 carb, whatever it's called... does that make sense? ha. :)
 
Please post some photos of the carbs with the rod and everything hooked up. I should have an extra pushrod too but need to see what you are up against first.
 
Here's what I have - PM me if interested. Please bear in mind that I never actually USED these with a choke cable, but yeah the choke would close all the way. My 82 GS550L had LHC and those choke bits from an 80 or 81, but no cable. I went ahead and bought a LHC and the choke parts I needed to restore the stock 82 choke mechanism. It got tiring having to pull and hold the rail at every cold start :rolleyes:
 
Here's a pic of my old 750LX carbs showing the choke rail. I remember getting frustrated with them once & realized I had the rod on backwards...

Check that the little brackets are positioned correctly too.

Good luck.
 
Loosen all the choke rod screws until you find which bore the rod goes through is binding. I've had to drill these out a bit to get the rod to slide smoothly.
The rod is probably slightly bent. I have an extra one if you need it.
 
Last edited:
chef1366 said:
Loosen all the choke rod screws until you find which bore the rod goes through is binding. I've had to drill these out bid to keep the rod to slide smoothly.
The rod is probably slightly bent. I have an extra one if you need it.
Click to expand...

Good point from Bill here. Roll the rod on a flat surface to see if it's bent and then straighten accordingly.
 
The rod was not bent, however it was a bit mucked up and rough so i cleaned it up as good as I could.
It seems thus far that the culprit was actually the lever not retracting properly. I cleaned that up as good as I could and it seemed to make a huge difference.
I'll make tck take it out for a spin tomorrow and see what happens.
 
Last edited:
tkent02 said:
Steal it from Josh's 1100.
He'll never know, and when he does we will laugh at him.
Click to expand...

Actually I WAS going to steal the one out of my 1100's '34s since i've been running the 1150 carbs. But A) the rod wasn't the problem & B) the 1100's rod spacing would have been WAY off. It was indeed the spring loaded actuator thingy. Rose pulled it and I suggested she clean it up with a brass brush and some PB Blaster and now it's all working as it should. Bike is idling nicely, and while I haven't checked the plugs the stank aroma of unburnt fuel is no longer filling the garage while it sits and idles. Throttle response, at least unloaded is much better as compared to before so I think we have winner winner chicken dinner. If the rain gods hold off their barage long enough tomorrow I will take her for a spin, and if she's working as she should, Rose will be getting her first lesson on Monday in ye ole empty church parking lot :) hooray! :)Btw thanks to all you guys for your help and suggestions. I've been fiddling with this problem on and off for a month or two now and it really had me stumped. Can't say as I'd ever had a problem with a stock bike running too rich lol.
 
Last edited:
Yay now poor Rose dont have to sit there and make the noises for he bike anymore. :clap: :D
 
kparkfan said:
Yay now poor Rose dont have to sit there and make the noises for he bike anymore. :clap: :D
Click to expand...

TCK took Ellie out for a spin and all was good!

I even got to ride it in the driveway about 4 or 5 feet! :p
 
kinnet said:
TCK took Ellie out for a spin and all was good!

I even got to ride it in the driveway about 4 or 5 feet! :p
Click to expand...


It is time to celabrate. :clap: The wife failed her temp test today.:eek: Going back to do it again on tuesay. She wants to take the MSF course wiith you.
 
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