#4 Carb Is Off The Chart - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 29 (permalink) Old 04-17-2019, 06:43 PM
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He's referring to the exhaust head pipes.
No, No, No. The test pipe from the manometer to the intake, if you remove it, can you feel pressure outwards? Like, blowing against your hand.

For what it's worth and if I may be so bold? The current rebuild of the `80, `81, `82 & `83 GL1100STDASPENSTATE can be followed on classicgoldwings.com in a thread called "The plan is to turn 140,000 into 50,000."

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post #12 of 29 (permalink) Old 04-17-2019, 06:47 PM
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The threads on those little plates can be stripped pretty easily. Also, the little spring can get dislodged. Are you sure that when you are turning the adjustment screw it is actually changing the setting?

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post #13 of 29 (permalink) Old 04-17-2019, 07:02 PM
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Dave's right. #4 doesn't even have an adjustment screw.

Is the hose from the #4 intake tube to the plenum hooked up?

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post #14 of 29 (permalink) Old 04-17-2019, 07:44 PM Thread Starter
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Understood, Dave...I'll give that a shot.


Quick (cold, dry, left the primary wires connected) compression test gave me #4 at 140psi, #2 at 145psi, #1 at 165 psi and #3 at 160 psi. Not sure what spec is on the GL1200s but 120 is good to go on my other bikes.


Calling it quits for today. Will get back to it tomorrow. Thanks for the help...will let you know how it goes tomorrow.
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post #15 of 29 (permalink) Old 04-17-2019, 09:47 PM Thread Starter
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Originally Posted by DaveO430 View Post
#4 is the base carb on a 1200, all others synch off it. Turn the base idle screw in to get the vacuum to come down, the idle will go up, then start adjusting the others to match #4.

I didn't see all the responses when I said that I'd be quitting for the night. Sorry about that. I'll work my way through them now.



I got that #4 is the base carb. As such, I thought #4 has no adjustment so I don't know what you mean by "base idle screw." Here's what I know/have worked with - four idle mixture screws, three carburetor adjusting screws (one screw each on carb 1, carb 2 and carb 3), and the throttle stop screw.
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post #16 of 29 (permalink) Old 04-17-2019, 09:49 PM Thread Starter
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Originally Posted by Bike...and Dennis View Post
The threads on those little plates can be stripped pretty easily. Also, the little spring can get dislodged. Are you sure that when you are turning the adjustment screw it is actually changing the setting?

Yes, all threads are good and adjustments are actually being made.
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post #17 of 29 (permalink) Old 04-17-2019, 09:51 PM Thread Starter
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Quote:
Originally Posted by Bike...and Dennis View Post
Dave's right. #4 doesn't even have an adjustment screw.

Is the hose from the #4 intake tube to the plenum hooked up?

Yes, all intake tubes to the plenum including #4 are in place.
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post #18 of 29 (permalink) Old 04-17-2019, 10:19 PM
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Originally Posted by BadMonk's1200 View Post



I got that #4 is the base carb. As such, I thought #4 has no adjustment so I don't know what you mean by "base idle screw." Here's what I know/have worked with - four idle mixture screws, three carburetor adjusting screws (one screw each on carb 1, carb 2 and carb 3), and the throttle stop screw.
The large idle stop screw in the rear center of the carbs, where the cables connect.

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post #19 of 29 (permalink) Old 04-17-2019, 10:26 PM Thread Starter
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Thanks again. Just want to make sure that I understand...even though I've been riding for just over fifty years, I wouldn't consider myself even a shade tree mechanic.
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post #20 of 29 (permalink) Old 04-17-2019, 10:53 PM
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Originally Posted by BadMonk's1200 View Post
Yes, all intake tubes to the plenum including #4 are in place.
Not the intake tube. There is a hose that comes off the base of that intake tube, and if that's missing I suspect there would be a real loss of vacuum on that cylinder.

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