Midrange Acceleration issues GL1100 - Steve Saunders Goldwing Forums
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post #1 of 20 (permalink) Old 10-12-2009, 04:51 PM Thread Starter
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My 81 1100 has been having issues accelerating in the midrange. It would idle smooth and run at high RPM pretty good but when you cranked on the throttle around 3500 to 4500 rpms it would sputter and complain and eventually smooth at a higher RPM.

I took the carbs apart (again) and cleaned them but could not find any issues, I suspected a sticking CV slide but did not find that to be the case. I reassembled the carbs reset the sync, the sync was very close, but no change in the performance.

Finally I pulled the hose off for the ignition advance and could not feel any vacuum. I used some carb cleaner and a small wire and found the port to be clogged the opening inside is much smaller than the hose nipple and I had to poke around some before the wire went in the hole and poked the clog out.

After cleaning and making sure there was vacuum, I checked to make sure the advance unit was working and put the hose back on.

When I did my test ride it accelerated smoothly all the way through the range and accelerates better than I can remember.

I hope this helps out anyone else having the same issue.
Peter

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post #2 of 20 (permalink) Old 10-12-2009, 10:47 PM
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Yep, I had a similar problem on an '82 Aspy. It wasn't the vacuum advance on that one but the centrifugal advance was frozen. The two different advance systems work for different purposes on these bikes, the vacuum advance shifts the timing to adjust for quick throttle changes while the centrifugal advance adjusts for the rpm range the engine is running.

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post #3 of 20 (permalink) Old 10-12-2009, 11:05 PM
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Peterbylt,

Thanks for that post. I just added it to the index.

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post #4 of 20 (permalink) Old 10-12-2009, 11:10 PM
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exavid wrote:
Quote:
centrifugal advance was frozen. the centrifugal advance adjusts for the rpm range the engine is running.
Was bad fuel mileage a sympthom. ???I imagine it started fine.Was it just doggy or did it pop backthrough the carbs. JB

2003 yamaha vstar 1100 classic 2004 honda rebel 250 {2}1983 aspencades + 83 Interstate 82 Aspencade <2>77 gl 1000 1981 Interstate <2> 75gl1000s 76 Gl1000
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post #5 of 20 (permalink) Old 11-25-2010, 10:57 PM
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Thank's Peterbylt I checked mine and it was clogged also, the bike accelerates much better now, it's still sloppy until warm though, I'm trying to figure out where this centrifugal advance is located? How do I unfreezeit..?

1981 Honda Goldwing 1100 Interstate
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post #6 of 20 (permalink) Old 11-25-2010, 11:00 PM
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Can you tell me how to fix this centrifugal advance thingy, I am not quite understanding what this is and or where it is? thanks in advance..

1981 Honda Goldwing 1100 Interstate
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post #7 of 20 (permalink) Old 11-25-2010, 11:57 PM
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littlebeaver,

The post was written a year ago, you might get a faster response if you PM'd peterbylt. He is offline as you can see in the posting info.



Im not sure if he meant the spark advancer in the vacum advancer on the back of the engine or not. Those work together for spark advance. You might also get some better preformance by checking your spark plug gap and setting it to the lowest gap in the specs. I don't know which year is your 1100, so look it up and set to lowest size ie; 82-83 plug gap range .031-.035 would be set to .031. No matter what gap you set it to, be sure and do a plug color test to see how it is preforming.





#3 is the spark advance in theparts fiche, ithas slots that need to be rust free and oiled/ lightly moly greased to slide properly.

http://www.teamecc.com/fiche_section...&fveh=3435

I no longer have a repair manual for the 1100 to see if I could find it in there. That is the only mechanical advancer I know of on the 1100.

Hope it helps.



Stu
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+2008 Cabernet Red ABS/Airbag bought 6/2013 @16,000
+1983 ASPENCADE Barn find @36,000 to be sold
+1976 CB750K6 @25,000 was Dad's
Previous bikes
-1999 GL1500 ASPENCADE Red Sold barn find restored
-1999 GL1500 SE(@57k)(totaled by cagger @105,000) Feb 2013
-76 CB750K Red(new) sold @ 45k
-75 CB750K Blue(new) 9,000 mi Before cousin totaled it.
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post #8 of 20 (permalink) Old 11-26-2010, 12:02 AM
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thanks a million, Newday 777...littlebeaver

1981 Honda Goldwing 1100 Interstate
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post #9 of 20 (permalink) Old 11-26-2010, 12:22 AM
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ride on bro

Stu
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John 14:6 Psalm 118:19-29
CMA Wings of Eagles-Escondido, Patriot Guard Ryder
+2008 Cabernet Red ABS/Airbag bought 6/2013 @16,000
+1983 ASPENCADE Barn find @36,000 to be sold
+1976 CB750K6 @25,000 was Dad's
Previous bikes
-1999 GL1500 ASPENCADE Red Sold barn find restored
-1999 GL1500 SE(@57k)(totaled by cagger @105,000) Feb 2013
-76 CB750K Red(new) sold @ 45k
-75 CB750K Blue(new) 9,000 mi Before cousin totaled it.
74 CB450 Burnt Orange(new) 9,000 miles sold
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post #10 of 20 (permalink) Old 11-26-2010, 09:30 AM
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Thanks for the insight guys.I've got an'80 gl1100 that has been running sluggish and I am pulling the engine to do clutch and stator work. So I will be checking and cleaning this too.
This is a GREAT site. THANK YOU to all that contribute!

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85 LTD w/ PoorBoy conversion
98 GL1500SE
2004 GL1800 (double darkside)daily driver
2007 GL1800
and several doner bikes.
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