Gl1000 76 Almost there.

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Motoboy49
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Gl1000 76 Almost there.

#1

Post by Motoboy49 »

Greeting,

I have looked into site to gather info hopefully to shorten my questions.

76 Gl1000,
Dyna s
Carbs rebuilt Randakk kit.

Question: prior owner couldn’t get the bike to run right after sitting.

So he rebuilt carbs- new belt adjusted valves compression ECT.

Well he gave up. It was idling up and down and popping -

Here is were I step I :
I figure who knows what he has done right or wrong.

I checked belts at TDC and
They are in marks and up so all good and new belt.
Next I adjust valves-all good
Test compression- 145 ish across the board.
Che led boots ECT all good .

I open up carbs he as an aftermarket set in, cheap no good.

I rebuilt Randakk kit -video -not my first gl rebuild.

I checked dyna s timing. At F

Now here is what I found last night after reading the forum on GL1000 Dyna-s again and Randakks info

He has left the Condensor plugged in with the Dyna S -

This I wrong!

Yes long explanation but what would his do?
When I unplugged the x2 wires last night. The Idle dropped- I suspect this was the thing causing the problem. Not carbs ECT

It was late so I couldn’t troubleshoot.

Condenser hooked up I would think it would real havoc- causing the cylinders to misfire and idle issues.

Any thoughts ?
I plan on re-timing the Dyna with Condensor unplugged?
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gltriker
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Re: Gl1000 76 Almost there.

#2

Post by gltriker »

Thoughts? Nothing more than you've already stated are your intentions.

Check the Dyna S timing...with the condenser assembly completely removed from the bike. tumb2
Cliff (74yrs ;) )

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.
Motoboy49
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Re: Gl1000 76 Almost there.

#3

Post by Motoboy49 »

Well I did
And not sure what else to do.
Thought it was carbs but hey are rebuilt mop notch

And it’s still doing the Same thing.

Bike off throttle snaps back perfect.
I have synced the carbs checked the belt-timing.

Bike running I adjust the idle 950-1000 hit the throttle and it goes to 3000 and stays.

I adjust the idle get it just right and it does the same thing.
I checked all the intake boots with vacuum and no leaks

What am I missing
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gltriker
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Re: Gl1000 76 Almost there.

#4

Post by gltriker »

Assuming it isn't experiencing a problem with binding or misassembly in the #2 and #4 synchronizer link bracket area, are you setting the pilot fuel screws at 3 turns open from their seat before performing a dynamic idle speed carburetors' synchronization session? If not, set all 4 pilot fuel screws at 3 turns from seat before running the engine again. Just do it. ;)

You may already be aware of the #2 and #4 synchronizer link information? If not......

There are 2 different issues that have been identified in the #2 and #4 area, and the identified misassembly one is a Randakk tech topic. Incorrect placement of flat washers there.
The other is the possibilty of an ever so slight binding in that same synchronizer linkage area. I can't remember exactly where that information can be located in the Forum, though.
Cliff (74yrs ;) )

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.
Motoboy49
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Re: Gl1000 76 Almost there.

#5

Post by Motoboy49 »

Ok no they are set at 1 3/8 per Randakks video
I will try 3

I have a 78 carb untouched to match, I know there are some differences but assembly should be the same.

Thing is, I have 2 - sets of 76 carbs- because I did not trust
The PO work my plan was to rebuild a different set.

For the most part that was true except there was a broken float tower on the #1 carb so I used the one off PO carb

Then rebuilt using Randakks kit. So the only thing I used from PO carb was that 1 Carb.

And it is doing the same thing that was happing to him. I can’t believe that would be a carb issues

I did put the 78 carb on and funny thing is I could get it to sync but still was popping, but I could adjust the idle. That’s why I said ok carburetor.

So weird. I am just wondering if the Dyna s is compromised. That could mimic idle problems.

Very frustrating as I have been working on cycle for many years. And thus shouldn’t be so hard.

Anyone around from the Seattle area, I would
Love to put these carbs on a different bike ?

I am about to send them to pistol Pete but I know I cleaned and rebuilt so waist of money.

Maybe I should send and have them test it sync.
Then that would rule out carb
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robin1731
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Re: Gl1000 76 Almost there.

#6

Post by robin1731 »

The three turns on the mixture screw is for 1100 carbs. On 1000 carbs adjust the screws for the best idle. Pistol Pete isn't the only carb rebuilder (he doesn't rebuild them himself anymore). I am a Randakk approved rebuilder and a sponsor/supporter of this site.

.
1976 Goldwing Super Sport
1985 Honda Elite
1976 KZ900 Dragbike
1992 ZX7 Dragbike (KZ900 style motor w/NOS)
and a rotation of various purchases
Randakk approved Carb Rebuilder
Motoboy49
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Re: Gl1000 76 Almost there.

#7

Post by Motoboy49 »

Hmm
Still looking for answers
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Track T 2411
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Re: Gl1000 76 Almost there.

#8

Post by Track T 2411 »

Have you checked for sticking slides? It's a common source of hanging idle. I tend to over-clean everything, and still get a sticking slide once in a while. You can test each of them using a shop vac on the intake runner side of the carb, and opening and closing the throttle. You can hear the slide opening and closing. You can also use a small mirror in the plenum and watch the function. I usually polish the heck out of the slide, inside the cap, and tubes the slide glides on.
"I have no special talent. I am only passionately curious." - Albert Einstein

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gltriker
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Re: Gl1000 76 Almost there.

#9

Post by gltriker »

Motoboy49 wrote:Hmm
Still looking for answers

Done.
after focused reconsideration, this long-winded post was deleted by, ME! :oldies tumb2
Cliff (74yrs ;) )

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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1983lux
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Re: Gl1000 76 Almost there.

#10

Post by 1983lux »

May not be your issue, but my carbs wouldn't idle right after a rebuild, especially as the bike heated up. I found a hairline crack in one of the plastic white carb caps. Gooped over it with some red RTV and the bike ran completely different. Should do a more permanent solution one of these days..
1975 Honda GL1000 - Naked
Motor from 1979 Model
1975 Cams and Carbs
Dyna S Ignition
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Sidecar Bob
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Re: Gl1000 76 Almost there.

#11

Post by Sidecar Bob »

viewtopic.php?f=8&t=40216&start=15#p437087
Still working 7 years later.
Mr. Honda ('83 GL1100/Dnepr) summer How a motorcycle evolves thread
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Click: Colour schematics for all GL1000 & GL1100 and GL1200 standard models plus instructions on how to download the full size version
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maury
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Re: Gl1000 76 Almost there.

#12

Post by maury »

I had this sticking idle problem and solved it with a lot of help from others......

viewtopic.php?f=1&t=61242
75 GL1000
76 GL1000 LTD
2019 DCT Airbag Tour
Austin, Texas
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