Synchronize Carburetors - GS550 Cafe Racer Build (Part 102)
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- I attempt to synchronize the carburetors on my Suzuki GS550, but run into a problem. All the steps for doing a carb sync are here however. In my particular case I get derailed by an ancillary issue.
Video showing accuracy of carb sync gauge set: • Review Carburetor Sync...
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Thanks for the shout out mate
Absolutely! Thank you!
Thank you for giving me hope that I may not have to tear my carbs apart until I fiddle with the air screw.
Great info!! Few things I would have ever known w/o this particular video! My gs550 has a lot of the same issues! Guess I'll be buying a carb synch next! Thnx UM!!!
Great! I'm glad it was helpful! Sometimes it's just as useful to watch someone fail at something.
hi I've been fixing bikes since I was a kid and I've took the leap to fix bigger more powerful bikes and to be honest very detailed and easy steps and the carburettor synchronize kit I have a works great thanks to your other video and I am in the process of doing my carbs on a Yamaha XJ600N hope to see more as I'm happy with everything you state and describe with easy to follow instructions keep it up I'm now a subscriber thanks again
regards Julian
Thank you for watching and subscribing! I'm glad you have found my videos helpful. That's all I want to do - help other people enjoy motorcycling and motorcycle mechanics.
Thank you very much for your GS550 videos! I really appreciate this.
Thanks for watching!
Great video,I've nearly finished a year long restoration of my 76 water buffalo, & i had a fuelling issue on initial start up,& I sent a set of carbs off for a refurbishment & I found a video on TH-cam channel classic octane , he showed an in depth instructional on stripping & repairing a set of Honda cb550 carbs, I watched it through twice & thought,maybe I could do that,so I have a spare set of carbs from the water buffalo so I stripped & cleaned them through & put all the slides & the tops back on, then set up the intake butterflies, I'm just waiting for 3 keyster kits to arrive,and right in the middle of my restoration I bought a 1978 gs550, non runner, mainly sorted,just a clutch/pushrod problem to sort.
I'm familiar with Tyler's channel. I've been a subscriber of his for a while and recall the episode you mention. Yes, I'll be tearing these carbs down and cleaning more thoroughly. Was trying to avoid splitting them as new fuel rails will run me $50, but seems it'll be necessary. Was a risk I took and this time it didn't pay off. No biggie. Fun! 🙂
Thank you very much. For the knowledge. Thailand...
Thank you for watching!
A lot of great info to synchronize my GL500. Thanks a lot :)
Thanks for watching! I just purchased a CX500 that I will eventually be doing a carb sync video on in the future. First I need to pull the engine and repair the stator. Will be very similar to your GL500.
Hi, I had the same problem on cylinder 4th cylinder 1 - 3 had 240 degrees, No. 4 only 50 degrees.
All cylinders had ignition sparks and all had fuel.
I experimented a long time until I changed the complete carburetor No. 4. Now I have the same temerature on all the bends
Greetings from the Bluesky
Thanks for watching and for sharing your insights.
Thanks sir ❤
Thanks for watching!
Thanks for your response. I was amazed that for your having rebuilt the carbs, the one wasn't delivering upon start-up. I've had those "cold exhaust pipes too...and was wondering what you did to address that problem.
As I recall it required more tweaking of the air and fuel screws on those cold cylinders and eventually they got fuel and got hot. It's been a long time sorry.
Hi there, it was a great idea to use IR thermometer, would try on my XJR 1300, since i don't have a CO tester. Thanks
Thanks for watching!
Makes me want to build a custom intake and run a single carb on mine.
That would be a fun project! With the airbox removed, there's plenty of room under there. Maybe throw in a small aviation turbo while you're at it. 🙂🚀
Where do I find the follow-up to Part 102? How did you address the carb not delivering fuel?
Sorry, it's been so long even I don't recall. Part 103 should be logical follow up, but that isn't always the case. Thanks for watching!
Going through the same deal on my Kawasaki Voyager 1200 now.
Thanks for watching! Good luck!
Had would you do a dual carb hs 550 only have 3 vacuum connections on cylinder 2 it's sealed completely.thanks
I'm not familiar with your specific machine, bit you'd only need 2 connections for 2 carbs. Just be sure they are between the carb and cylinder head and they are the same on both. Use only 2 gauges. Sync the same way. Thanks for watching!
Isn’t the intake vacuum a little low in this video?
Thanks for watching. Yes, with the pod filters, intake pressure is reduced while volume is up. This the need for change in Jets and air screw settings. Once it is running and warmed up she runs great.
Hi UM, Fantastic video really helpful!
I have identical issues with my GS550E here in the UK. I have done a compression test, results as follows: No1 95psi, No2 95, No3 100, No4 100. Yours is considerably higher at 150 is this because you have fitted high comp pistons or has mine got a problem? No3 on mine isn't firing either & is running cold when measured at the header pipe. New plugs fitted all sparking, did you cure yours by turning the fuel screw out underneath to allow in more fuel? when I adjust the air screw it has little effect. I have vac gauges, colour tune & an ultrasonic cleaning tank so carbs are clean. I'll be in the man cave tomorrow trying again your feedback would be appreciated. Cheers Rob
Hi Rob! The good news is your compression numbers are very consistent across all four cylinders. However, they are getting pretty low. Mine are higher because I rebuilt the top end of the engine (honed cylinders, new rings, ground valves/seat). I kept everything stock though. Given your carbs are clean...Yes, you can open the fuel screw underneath to see if you get #3 to fire. Best of luck! Enjoy the adventure! :)
What did you find to be your problem..
I wanted to reach out to you because I always do lol. I finally got my bike back together and I’m having carb issues if I take my air box off and put tape over the back of my carb on the opening that goes up to the diaphragm my bike starts I cleaned the carbs and bench sunk it. I really don’t feel like doing it again. Should I just rebuild the carbs totally?
Have you cleaned them once already?
Yeah I even cleaned out the pilot gets I think I used a a B or e string to clean it out haha. I’m wondering if It’s a diaphragm issue or if I’m just not getting enough gas?
@@MastaKeahi Assume from you comment that your have CV carbs. If sliders are stuck it Shouldn't affect starting too much. I'm guessing you have a fuel or air or both line clogged in it circuit. I forget, did you ultrasonic clean the bodies?
@@UrbanMonkTV no I don’t have the ability to do that
@@MastaKeahi You may need to pull them off again again and use carb cleaner in all those passageways at least. It's difficult for me to know exactly what you're dealing with from here but a no start (with all else working good) is usually a clogged idle circuit.
What was your final jet sizes and what were they stock
Only change I made was mains - 80 to 95. I don't recall the secondaries offhand, but I left them stock. Altitude at my shop 830 ft. Uni-Filter pods and Emgo mufflers.
what did your issue with the dead cylinder end up being?
Hole in piston. Thanks for watching!
@@UrbanMonkTV Wow, that is a bummer!
@@doyleredwine1683 Actually it was the impetus for a wonderful journey rebuilding the engine, which I thoroughly enjoyed. Thanks for watching! 🙏🙂
@@UrbanMonkTV how can you have a hole in your piston and have as high of compression as you have ...???
@@jerryking1434 I had a hole in piston 4 before this video was made that I repaired prior. Guessing from your question that you haven't seen my entire series. That's all in other episodes. Thanks for watching!
Just because your building a cafe racer doesn't mean you have an excuse to look like a beatnik, get a haicut kid! (Lol).