carbs


Information and questions on GL1500 Goldwings (1988-2000)
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masonmetz
Posts: 3
Joined: Sat Jul 14, 2012 9:10 am
Location: Benton, KY
Motorcycle: 1988 GL1500/6 Honda

carbs

Postby masonmetz » Sun Nov 04, 2012 6:40 pm



what is the best way to get carbs off 1988 goldwing 1500 ?



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robb
Posts: 1040
Joined: Mon Jul 19, 2010 7:46 pm
Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: carbs

Postby robb » Sun Nov 04, 2012 9:35 pm

With a shop manual and camera close by to make reinstall easier. Lots of plastic to remove.

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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: carbs

Postby virgilmobile » Mon Nov 05, 2012 7:33 am

There is no best way.Drain the radiator.Start pulling.you'll need a really long philips #2 and a long set of needle nose to get the hoses loose.
They took me 3 hours the first time.

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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: carbs

Postby RBGERSON » Mon Nov 05, 2012 8:10 am

while they are out replace ALL!!!! the rubber hoses..lube the idle cable, polish/clean the slides..uhmm what else???
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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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: carbs

Postby virgilmobile » Mon Nov 05, 2012 8:18 am

Under the carbs is a rubber mat....Replace the hoses under there too.
Might as well do the ones connected to the left rear and right rear intake manifold too.There's 2 on each one.There's at least 2 on the carbs that need replacing.
Look close at any "hose" that has a sharp 90* bend.They tend to deteriorate in the bend.
With a little luck,your bike has had the factory mod done to it to improve the 'off idle hesitation' problem.
One last thing.Check the accelerator pump closely.Repair it and replace the "O" rings on the riser tube.

Scanjo
Posts: 19
Joined: Fri Mar 19, 2010 9:04 pm
Location: Des Moines, IA
Motorcycle: 89 GL1500

Re: carbs

Postby Scanjo » Sun Nov 11, 2012 10:03 pm

This is my winter project this year also. Carb rebuild, replace all the vacuum hoses, radiator hoses, and my throttle cables have a bit of a catch in them. They get replaced too. Bought my 89 in 08 and it has never run quite right. Big improvement when I found a vacuum leak and fixed that. The accelerator pump seems to lose it's prime (you need to crack the throttle several times before starting so it operates correctly). I suspect there may be hoses buried in there somewhere that are leaking still. At any rate, this is the last major project I still need to do. Hopefully after this it's just normal maintenance.

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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: carbs

Postby virgilmobile » Sun Nov 11, 2012 11:22 pm

Yes the accelerator can loose it's prime.Usually due to leaking "O" rings in the riser tube.Also be aware that even tho it has a electric pump,the engine needs to be cranking with a closed throttle to pull enough vacuum to open the fuel shutoff valve.
This can take several seconds of cranking to open the valve and pump fuel into the carbs.
One more point.the ignition system will not fire any plugs until the crank has made one full revolution.It's a design of the electronic ignition system.

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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: carbs

Postby virgilmobile » Mon Nov 12, 2012 2:02 pm

One last thing...The best thing I did to my 88 to fix the off idle bucking was a rebuild of the accelerator pump(and a little modification).viewtopic.php?f=6&t=11658
Now it squirts fuel at just a touch of the throttle.
It takes a small turn to make the bike jump up.It took a little getting used to how fast the engine will pick up now....no more feathering the throttle hoping it will catch up.




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