75 GL not running on number 2 cylinder

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6adan
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75 GL not running on number 2 cylinder

#1

Post by 6adan »

I have spark and fuel in bowl but no fuel getting to cylinder. I just rebuilt the carbs with Randakk's kit, ran the carbs threw the sonic cleaner two times. I put them back together and it starts and will even idle ok. I just can't think of what I might have done or not done to cause this. Any ideas on what this might be would be great.
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Trike and another 76 LTD bad shape, and several more for parts.
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Re: 75 GL not running on number 2 cylinder

#2

Post by Figor »

Compression test?
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tlbranth
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Re: 75 GL not running on number 2 cylinder

#3

Post by tlbranth »

#2 exhaust not getting warm at idle? at higher rpm?
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6adan
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Re: 75 GL not running on number 2 cylinder

#4

Post by 6adan »

Compression test good, # 2 not getting hot like the others. New plug no gas on plug even after running it till it gets hot enough for fan to come on.
79 GL1000,75 GL1000,76 GL1000 LTD,70 CB750k JDM, 79 CBX, 2000 Valkyrie CT 2008 Goldwing Roadsmith
Trike and another 76 LTD bad shape, and several more for parts.
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tlbranth
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Re: 75 GL not running on number 2 cylinder

#5

Post by tlbranth »

If you have spark and fuel in the bowl, I'd look for a stuck slide. Not sure why you still wouldn't get something through the idle circuit though.
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1970 CB750
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Re: 75 GL not running on number 2 cylinder

#6

Post by MattMcCoy »

If the cylinder starts to fire and the header gets hot at higher RPMs, I would look at the idle/slow jet and its associated idle circuit.
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6adan
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Re: 75 GL not running on number 2 cylinder

#7

Post by 6adan »

Thanks guys, that cylinder is not getting hot as it should only around 150 while others are above 300. It dose this no matter what RPM from idle to 3000 or more. I guess I was hoping for something so I would have to take the carbs off but looks like that is what is going to have to happen.
79 GL1000,75 GL1000,76 GL1000 LTD,70 CB750k JDM, 79 CBX, 2000 Valkyrie CT 2008 Goldwing Roadsmith
Trike and another 76 LTD bad shape, and several more for parts.
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gltriker
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Re: 75 GL not running on number 2 cylinder

#8

Post by gltriker »

:-?
Last edited by gltriker on Tue Sep 21, 2021 10:30 pm, edited 8 times in total.
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RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
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tlbranth
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Re: 75 GL not running on number 2 cylinder

#9

Post by tlbranth »

6adan wrote: Tue Sep 14, 2021 1:47 pm Thanks guys, that cylinder is not getting hot as it should only around 150 while others are above 300. It dose this no matter what RPM from idle to 3000 or more. I guess I was hoping for something so I would have to take the carbs off but looks like that is what is going to have to happen.
Well it could indeed be a stuck slide then. No need to pull the carbs. Just remove the 8 bolts holding the manifolds to the heads and slide the carb assembly to the left enough to get #2 cap off. Watch out for the manifold o-rings.
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Re: 75 GL not running on number 2 cylinder

#10

Post by MikeNTexas »

I believe Randakk’s kits do not come with the float valves. Did you pull the seats out anyway and clean the screens that’s attached to them?
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Re: 75 GL not running on number 2 cylinder

#11

Post by gltriker »

:-? hoo boy
Last edited by gltriker on Tue Sep 21, 2021 10:34 pm, edited 1 time in total.
Cliff

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

New users please visit our "Shop Talk" for common tips and help: <---jdvorchak
http://www.ngwclub.com/forum/page/ST
^^^^^^^click up here^^^^^ :oldies

RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
"Can't see the paint when your looking thru the handlebars..........." -Oldewing ;)
"I'd rather Ride than Shine" -RAT tumb2 Me Too!!

Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
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Re: 75 GL not running on number 2 cylinder

#12

Post by 6adan »

Thank you everyone for all the advise. Just wanted to let you know what I found (it was all my fault). I wound up taking the carbs off and recleaned the carb again and when I started to put it back together I somehow had put two float bowl gaskets on #1 and none on #2 so now I have it back together it is now running fine.
79 GL1000,75 GL1000,76 GL1000 LTD,70 CB750k JDM, 79 CBX, 2000 Valkyrie CT 2008 Goldwing Roadsmith
Trike and another 76 LTD bad shape, and several more for parts.
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Re: 75 GL not running on number 2 cylinder

#13

Post by pidjones »

Thanks for the follow-up!
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6adan
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Re: 75 GL not running on number 2 cylinder

#14

Post by 6adan »

I have never bought a GL1000 or 1100 that were running. Some were closer than others but no runners.
79 GL1000,75 GL1000,76 GL1000 LTD,70 CB750k JDM, 79 CBX, 2000 Valkyrie CT 2008 Goldwing Roadsmith
Trike and another 76 LTD bad shape, and several more for parts.
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Re: 75 GL not running on number 2 cylinder

#15

Post by ritalz »

6adan wrote: Wed Sep 22, 2021 7:37 pm I have never bought a GL1000 or 1100 that were running. Some were closer than others but no runners.
Ne neither. I have sold a few that were running when they left here.
Al

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