no vacumn on #4 carb


Information and questions on GL1200 Goldwings (1984-1987)
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tprender
Posts: 188
Joined: Wed Mar 23, 2011 9:11 pm
Location: St Louis, Mo
Motorcycle: 1986 gl1200
1995 GL1500SE

no vacumn on #4 carb

Postby tprender » Wed Sep 26, 2012 8:12 pm



I went an looked at a '86 today and the owner said that he took the wing to a shop and they could not get a vacumn reading from the #4 carb. I am thinking about buying this wing, because the price is right. The wing has been setting for about 3 yrs. He said that it will idle real good, but that it does not rev up. I could not hear the bike run, battery is dead. I know that when I get the bike to change all of the fuel hoses and filter. How hard is it to get the carbs off, if I do need to take them off and clean them? Any ideas on what might be wrong with the #4 carb?
Just for your info, it is '86 with only 37,000 miles. Plain Jane with just a fairing and radio. Can get the bike for $1300, that is why I said that the price is right.



User avatar
virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: no vacumn on #4 carb

Postby virgilmobile » Wed Sep 26, 2012 10:31 pm

No vacuum is not a good thing.As is,personally, I wouldn't invest more than a couple hundred bucks.There a high probably of a damaged piston.
Yes the engine will run on 3 cylinders and have a hole in one.Been there done that.
A quick compression test will tell all.
If the compression is close to the next cylinder,It has a severe leak in that manifold or something upset at the Carb throttle plate.
This is manageable.
No vacuum can be a hole in the piston or broken cam or even hydraulic valve problems may get expensive


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