Rough Running at idle and vibration.


Information and questions on GL1100 Goldwings (1980-1983)
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wayne1957
Posts: 2
Joined: Wed Jul 21, 2010 6:03 pm
Location: Billerica MA
Motorcycle: 1983 GL1100A

Rough Running at idle and vibration.

Postby wayne1957 » Thu Aug 04, 2011 7:35 pm



My 1983 Aspencade is hard to start (when cold), and runs rough at idle, sounds like marbles in the crank case. When I accel from a stop or give it the gas the whole bike vibrates until I back off and accel slower. The carbs are in sync. new plugs, carbs rebuilt (according to the former owner).
Looking for some trouble shooting ideas!



User avatar
RBGERSON
Posts: 2625
Joined: Tue Mar 09, 2010 7:57 am
Location: SCOTTSDALE, AZ
Motorcycle: 98 SE GL 1500
had every year from 75 to 83

Re: Rough Running at idle and vibration.

Postby RBGERSON » Fri Aug 05, 2011 8:22 am

Sure sounds like carbs issues..are you sure they are synched??? Clogged jets..
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

wayne1957
Posts: 2
Joined: Wed Jul 21, 2010 6:03 pm
Location: Billerica MA
Motorcycle: 1983 GL1100A

Re: Rough Running at idle and vibration.

Postby wayne1957 » Fri Aug 05, 2011 11:25 am

I am positive they are in sync. a mechanic checked them then I checked them again, don't know about the clogged jets!

User avatar
ASUcontrol
Posts: 6
Joined: Tue Nov 30, 2010 12:01 am
Location: calipatria, CA
Motorcycle: 1983 GL1100 Interstate

Re: Rough Running at idle and vibration.

Postby ASUcontrol » Fri Oct 14, 2011 3:04 pm

I have the same exact problem with my Interstate. The carbs have been totally rebuilt. It does'nt run right until its warmed up. In 80 -90 Degree weather it starts quick and purrs like a kitten. Does your's have bad gas mileage?

sperryunivac
Posts: 57
Joined: Sat Apr 02, 2011 2:41 pm
Location: Mississauga, Ontario, Canada
Motorcycle: 1983 Goldwing Interstate
1969 Bsa Lightning

Re: Rough Running at idle and vibration.

Postby sperryunivac » Fri Oct 14, 2011 7:46 pm

I had something similar happen to me as you described, engine sounding like marbles in them, rough running and when I tried to accelerate up my driveway it got worse. Well luckily in my situation I simply forgot to turn the fuel shut off valve back into the run position. It's amazing how long the bike will run with the valve turned off! But it will run very poorly. Yes I have done it more than once, alzheimers I think. So perhaps in your situation there is an issue of poor fuel flow to the carbs? Do you have new fuel lines and fuel filter, and is the output from the fuel pump up to spec? This is quick and easy to check out before you start looking at those carbs again.

rtaylor001
Posts: 1
Joined: Fri Oct 07, 2011 2:33 pm
Location: East Moline, IL
Motorcycle: 1983 GL1100 Interstate

Re: Rough Running at idle and vibration.

Postby rtaylor001 » Sat Oct 15, 2011 2:22 pm

I had the exact same problem since I bought the bike a year ago. When I needed to put a new rear tire on, i had a local shop do the work, and I asked them to spend 1 shop hour to troubleshoot the running issues. I had changed the coils earlier this spring, and I had to change the plugs almost every tank of gas. I replaced the timing belt, (which was toast), I have run seafoam through it. Finally I bit the bullet and turned them loose. What they found was fouled carbs, and repaired them in 3 shop hours. What a difference... I can't even describe it. Its a new motorcycle. Idles like a kitten, great low rpm torque without chain slap, and over 40 mpg.

Good luck with yours, cause when done, you will love it

imfree
Posts: 120
Joined: Sun Jan 09, 2011 11:07 am
Location: Millbrook ROLL TIDE Al.
Motorcycle: 1982 GL1100I

Re: Rough Running at idle and vibration.

Postby imfree » Thu Oct 20, 2011 6:34 am

Rule # 1 NEVER beleve what the former owner tells you .He wanted to SELL it didnt he.Redo the carbs with kits from Randakks you will pay a little more but in the long run you will be soooo glad you did.




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