Removing carbs from a 75 GL1000

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rcmatt007
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Re: Removing carbs from a 75 GL1000

#16

Post by rcmatt007 »

leonardhcross wrote: Fri Nov 25, 2022 3:44 pm Thanks to all of the responders. Your combined inputs are invaluable. I would like to be able to reply to individual responders but, so far, the only option is to hit “reply” on the thread. I am away from my computer at the moment. I will follow up with a picture of the engine serial number. Btw, I am not concerned about achieving “concourse” level restoration.
one of the reasons we "long term" members hang around, to share the tidbits of knowledge, (and opinion) we have picked up along the way
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" ALMOST DONE
79 project, finished, FOR SALE
'86 1200 (Beth's)(FOR SALE) with motorvation sidecar (sidecar sold) , July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's) (FOR SALE). I guess you can say we have MBS
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Re: Removing carbs from a 75 GL1000

#17

Post by leonardhcross »

BC14ECA3-483A-4951-8B1B-1E67B44E9DFB.jpeg
BC14ECA3-483A-4951-8B1B-1E67B44E9DFB.jpeg (130.9 KiB) Viewed 326 times
The engine number 16 GL1E-2009469. S0, I have a 1975 engine and frame with 1976 carbs. here is an interesting question. I also have another set of 764A carbs, (1977). So, if you were me and had just ordered Randakk's $169 carb rebuild kit, which set of carbs would you put the money into, the 76's or the 77's? I am not intending to keep this bike when it is complete.
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Re: Removing carbs from a 75 GL1000

#18

Post by rcmatt007 »

sorry, but you have a 76 engine. It is the "2" after the dash.
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" ALMOST DONE
79 project, finished, FOR SALE
'86 1200 (Beth's)(FOR SALE) with motorvation sidecar (sidecar sold) , July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's) (FOR SALE). I guess you can say we have MBS
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Re: Removing carbs from a 75 GL1000

#19

Post by ericheath »

As to the 76 vs 77 carbs, they’re jetted nearly the same except for the idle air jet.
7C1A3F6E-C652-492B-892E-4409AEFC0332.png
7C1A3F6E-C652-492B-892E-4409AEFC0332.png (296.6 KiB) Viewed 316 times
The needles were different- no idea which is better, but if I had to guess- — I wouldn’t. Chances are the 76 models were attempting to meet epa standards. Did they over shoot in 76, and find the middle in 77??? Again, no clue.

They also had different emulsion tubes. (https://www.randakksblog.com/emulsion-tube-variations/)

The fix for the off idle glitch they were notorious for is to reduce the idle air jet usually substituting an extra 62 jet drilled to Randakks suggestions. An amazing improvement getting rid of the fall-on-its face feel of pure stock carbs.

https://www.randakksblog.com/how-to-cur ... flat-spot/

You have a 75 frame, a 76 motor, why not go for the trifecta???
Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
77 Wing. black
83 Wing, in pieces
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leonardhcross
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Re: Removing carbs from a 75 GL1000

#20

Post by leonardhcross »

OK. Thanks again. I have a 75 frame with a 76 engine and currently, 76 carbs. I will stay with the existing combo of 76 plus 76. The 76 rack just appears to have had an easier life. All of the plastic caps are in good shape. Whereas, on the 77's two of the caps are completely shot. You guys rock!
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Re: Removing carbs from a 75 GL1000

#21

Post by redglbx »

Leonard, of all the early wings (75-77) that I’ve ridden the 77’s have always ran the best, I believe it is because of the #110 air jets in the brass elbows and the extra 1/2 turn out of the idle mix screw, So just swap the air jets and add the extra 1/2 turn out on the idle mixture screw and you should be good.

Now there are other differences (emulsion tubes, needles,) but I’d bet that just those 2 small changes will make it run fine so long as you get it sparkling clean inside.
Red 1976 oe owner
1976 LTD restored
1980 CBX , in the que, to fix the ignorant heavy handed owner
1981 CBX
1977 CB750 K7
2014 FJR OE owner, sold
1980 GL1100
1984 GL1200 naked
1969 CL350, in the que
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Re: Removing carbs from a 75 GL1000

#22

Post by leonardhcross »

Oooooh......customizing! Now that adds a fun wrinkle. Thanks redlbx.
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Re: Removing carbs from a 75 GL1000

#23

Post by redglbx »

I’ll also add that when I was using my friends dyno to dial my 76 carbs in I went to #115 secondary main jets along with # 65 primary main jets, stock #35 idle jets along with the #110 air jets in the elbows, this setup seems to work quite well in all the early wings I’ve used it in. From the dyno work I seen that it smooths the fuel curve out so it is a much smoother delivery and helps with the rich condition once you go onto the secondary mains.

It also helps with the big glut of fuel that gets delivered when you whack the throttles open, they all do this ! There are several jet sources for these carbs these days to buy the jets from, I use PJ’s Motorsports but as I said there are several places available these days. By the way I use the stock needles and emulsion tubes with this setup.
Red 1976 oe owner
1976 LTD restored
1980 CBX , in the que, to fix the ignorant heavy handed owner
1981 CBX
1977 CB750 K7
2014 FJR OE owner, sold
1980 GL1100
1984 GL1200 naked
1969 CL350, in the que
leonardhcross
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Re: Removing carbs from a 75 GL1000

#24

Post by leonardhcross »

Sooo....New discovery.....Upon closer examination, my frame plate displays the date of manufacture as 8/75 and then, in the lower right corner it states that this is a 76 model. In my defense, it was sold to me as a 75 and no title came with the bike. I just saw the date of manufacture and accepted what the seller had said. So, 76 all around. Last year, I acquired a title for my first project bike which also came without a title. The State of NY does not make it simple but, it was not a huge task.
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Re: Removing carbs from a 75 GL1000

#25

Post by rcmatt007 »

lucky you can get a title. In Oklahoma you can get one as well, but in a lot of states it is impossible
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" ALMOST DONE
79 project, finished, FOR SALE
'86 1200 (Beth's)(FOR SALE) with motorvation sidecar (sidecar sold) , July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's) (FOR SALE). I guess you can say we have MBS
redglbx
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Re: Removing carbs from a 75 GL1000

#26

Post by redglbx »

Here in Indiana they make it very difficult to say the least !
Red 1976 oe owner
1976 LTD restored
1980 CBX , in the que, to fix the ignorant heavy handed owner
1981 CBX
1977 CB750 K7
2014 FJR OE owner, sold
1980 GL1100
1984 GL1200 naked
1969 CL350, in the que
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Dr. Frankenstein
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Re: Removing carbs from a 75 GL1000

#27

Post by Dr. Frankenstein »

In Virginia, as long as the bike/vehicle has been unclaimed on your property for "30 days", I think it is - (it might even actually be something ridiculously short, like two weeks/ten days?? I don't remember. It's been a while since I did this), you can apply for an Abandoned Vehicle title - you have to pay for the title search ($25, I think it is), wait two weeks to see if there's a previous owner; If not, you can apply for the Abandoned Vehicle title, which allows you to either scrap the vehicle or retitle it, wait another three weeks and apply for the proper title. If the vehicle's previous owner DOES show up and wants it back (I've never had that happen), you are entitled to the cost of storage fees from the PO while the vehicle has been on your property, however long that may have been. Keep those dated bills of sale, people!

The only thing that sux is, the DMV will estimate a value for the vehicle's year (not condition!) based on NADA bluebook estimates (gotta pay those taxes! :evil: :evil: :evil: ) regardless of what condition the bike was in when you got it! They don't tell you this in the fine print of all the retitling paperwork, as I found out when I finally got to the counter, but "You No Pay, You No Get Title!"
In my case I think I had to bend over for something like $185 because the dang blue book says a 1975 Goldwing GL1000 is worth $2750! Ouch. From the other bikes I've titled this way though, the average is $110 - the State must have its pound of flesh too, y'know... :IDTS:
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dontwantapickle
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Re: Removing carbs from a 75 GL1000

#28

Post by dontwantapickle »

Getting a title is Colorado is ridiculously stupid.
I've been thru that bureaucratic gauntlet before. Never again !!!
low-side
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Re: Removing carbs from a 75 GL1000

#29

Post by low-side »

At least there's a way. In Ohio, there are ways to get title if you're a shop or tow company but not for an individual.
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rcmatt007
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Re: Removing carbs from a 75 GL1000

#30

Post by rcmatt007 »

Ok is somewhat like VA. Dr. F did not mention that in VA both the city and county charge you personal property taxes on the vehicle every year. You would be amazed what they think a 2004 Morgan plus eight is worth :evil:
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" ALMOST DONE
79 project, finished, FOR SALE
'86 1200 (Beth's)(FOR SALE) with motorvation sidecar (sidecar sold) , July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's) (FOR SALE). I guess you can say we have MBS
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