Running like a turle


Information and questions on GL1500 Goldwings (1988-2000)
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Not enough bikes
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Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Running like a turle

Postby Not enough bikes » Fri Aug 05, 2016 1:31 pm



My 98 1500 has lost half its power it feels like ,, started out intermittent and then grew in to fill time turle,,, need some help here!!



Not enough bikes
Posts: 7
Joined: Mon Aug 24, 2015 11:04 am
Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Running like a turle

Postby Not enough bikes » Fri Aug 05, 2016 1:54 pm

Should have put some more info on what I have tried already, new plugs ,gas filter checked timing,all looked good. And right on as far as the maintenance manual. According the there specs... I did notice this , when it started it was 10 seconds and them back to normal and I may ride 25 miles before it would act up again.. So on and so on until it became a turle,.. Could use some help on this one !!

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Aussie81Interstate
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Location: Penrith Australia
Motorcycle: 1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500

Re: Running like a turle

Postby Aussie81Interstate » Fri Aug 05, 2016 6:02 pm

Whats a turle? I'm not sure

:D

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spiralout
Posts: 1050
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Location: Alabama
Motorcycle: 1975 GL1000 (gone)
1980 GL1100I (with '77 1000 engine)
1996 GL1500 SE

Re: Running like a turle

Postby spiralout » Fri Aug 05, 2016 7:53 pm

Aussie81Interstate wrote:Whats a turle? I'm not sure

:D

That would be a turtle with a Texas accent. :D

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Bluewaterhooker0
Posts: 558
Joined: Wed Nov 14, 2012 11:27 pm
Location: Tampa, Fl
Motorcycle: 1997 Goldwing GL 1500 SE

Re: Running like a turle

Postby Bluewaterhooker0 » Fri Aug 05, 2016 11:03 pm

Shot in the dark....loosing or lost an ignition coil ? Maybe a throttle slide ?

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Happytrails
Posts: 653
Joined: Wed Sep 04, 2013 6:13 pm
Location: Tarentum, Pennsylvania
Motorcycle: 1991 Goldwing 1500 SE

Re: Running like a turle

Postby Happytrails » Sat Aug 06, 2016 3:25 am

Maybe check your plugs. See if all cylinders are firing and getting fuel.
1991 GL1500 SE Anniversary Edition
Sun Flare Gold Metallic
Vallant Brown Inset

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dingdong
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Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500
2004 NRX1800 Rune

Re: Running like a turle

Postby dingdong » Sat Aug 06, 2016 7:24 am

loosen your fuel cap and ride the bike. Could be a pressure problem.
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

Not enough bikes
Posts: 7
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Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Re: Running like a turle

Postby Not enough bikes » Tue Aug 09, 2016 5:49 pm

Tried that, checked the timing, changed plugs also,, this is my first time hands on with the 1500,, have 1000s and 1100and 1200 ,,trouble shouting them is a lot easier. Then the 1500 ,,.. Glad u took the time to comment on my problem and look beyond the mised spelled word turtle,,,, I did get. Some smack for that but on sweats ... Any other ideas are welcome..thanks..oh.... If I miss spell something just over look it and figur it out...... 8-) r

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thrasherg
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Re: Running like a turle

Postby thrasherg » Wed Aug 10, 2016 11:40 am

Not to be all gloom and doom, but can you check compression? You might have a valve or two burning out, it can become intermittent for a while until the cylinder completely shuts down!! Don't worry about the absolute value, just check that all cylinders show a similar value. Otherwise something coming and going as you describe is usually electrical, so I would suspect a CDI failing, or ignition coil (maybe even a spark plug). It could also be a lack of fuel, can you check the fuel pump? Just unplug the fuel feed to one set of carbs (assuming the 1500 has carbs) and put the pipe in a container, turn on the ignition and see if the fuel pump runs for a minute or so without stopping and supplies fuel. You could have a blocked breather on the gas tank, a blocked fuel filter, a defective fuel pump, etc.. I would start with the compression test first, then the fuel pump (these are the easiest tests to do) and then go from there, finding intermittent electrical faults is very difficult & frustrating.

Gary

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virgilmobile
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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: Running like a turle

Postby virgilmobile » Wed Aug 10, 2016 12:19 pm

I lost half my engine power when one carb had enough &^#$% in the bowl that it plugged the main jet..
I opened the drain screw with a 2 foot long screwdriver between the forks.Tough to find it.
When I opened the bowl drain screw,I got a few drops of water out of the drain tube(it's a small tube on the right side by your foot...It didn't flow clean gas till I blew the carbs out with compressed air.The bowl had about 4 tbs of gunky water sludge in it..The Other carb was clean...Had to start the bike a few times to refill the carb and blow it out till it ran clear.

I have also seen one slide stick shut...Gunky and a torn diaphragm

Mine was the left carb..Bike on the side stand...moisture collecting in the crossover tube on the top of the carbs and dripping into the bowl vent...I extended the cross vent tube with some hose to the seat area to stop this..
This crossover tube I refer to is on my 88...I suspect all models have them..Mine is a metal "T" tube just behind the carbs with nothing connected to the T..It's just a vent...Some models use it for a EPA evap canister.

Not enough bikes
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Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Re: Running like a turle

Postby Not enough bikes » Thu Aug 11, 2016 8:38 am

Thanks for your suggestions,,will check compression today,,,fuelpump is one year old ,,going to check that also,, making a check lists ,,, will keep you posted

Not enough bikes
Posts: 7
Joined: Mon Aug 24, 2015 11:04 am
Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Re: Running like a turle

Postby Not enough bikes » Thu Aug 11, 2016 8:46 am

Thanks for the carburetor info,,definitly going to check that today also,,
8-) ,

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macdaddykeith
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Location: Claremont, NC
Motorcycle: 1993 GL1500A Aspencade

Re: Running like a turle

Postby macdaddykeith » Thu Aug 11, 2016 11:08 am

Mine was running really bad this spring too. I took the filter cover off and then the filter. You can see both carbs then. Crank it and then twist the throttle hard and let off. Kind of like romping on it quickly. When you do this, you can see the dark slides go back and forth. My left side was not moving. While I was romping on it, I sprayed a few shots of carb cleaner down on the slides and in any orifice that I saw. Eventually it cleared up and started running good on its own. I added some Seafoam to the tank and ran it out then I have been running Premium gas in it since. It has not even thought about acting up. Maybe it will work if the slides are sticking...

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OldZX11Rider
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Location: Garfield, Arkansas
Motorcycle: 1994 Honda GL1500 Goldwing SE

Re: Running like a turle

Postby OldZX11Rider » Mon Aug 15, 2016 9:43 am

Have you got it fixed yet? When you were describing how the bike acted when you were riding it, it reminded me of a Pontiac I once had.
The car kept losing power until finally it couldn't hardly pull itself out of the driveway. I described the symptoms to a mechanic I met. He thought about it a couple minutes then suggested the catalytic converter could be plugged up.
After I ran a pipe through that converter the car ran fine. :lol:
Is it possible your exhaust is getting plugged up somehow? Just an idea.
;)
For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain:

Not enough bikes
Posts: 7
Joined: Mon Aug 24, 2015 11:04 am
Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Re: Running like a turtle

Postby Not enough bikes » Thu Aug 18, 2016 6:00 am

Service manual has in it a secondary resistence test , that can be done with out taken out the coils, was very simple and a quite test on he coils,, they checked out at 24.5 witch according to the. S. M. Is in good shape.. Parameters are20.6 to 26. 8 ... Before I start ripping into the carburetors I'm going to check the vacuum advance I am thinking this could be the problem. Well see..thanks to all for your imput

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Bluewaterhooker0
Posts: 558
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Location: Tampa, Fl
Motorcycle: 1997 Goldwing GL 1500 SE

Re: Running like a turtle

Postby Bluewaterhooker0 » Thu Aug 18, 2016 9:46 pm

Not enough bikes wrote:Service manual has in it a secondary resistence test , that can be done with out taken out the coils, was very simple and a quite test on he coils,, they checked out at 24.5 witch according to the. S. M. Is in good shape.. Parameters are20.6 to 26. 8 ... Before I start ripping into the carburetors I'm going to check the vacuum advance I am thinking this could be the problem. Well see..thanks to all for your imput


Just another thought on the coils. Have you tried testing for spark at the plugs/cables WHILE you are experiencing the issue ? As I recall, old automotive ignition coils were prone to intermittent failure after they had run for some time, and gotten hot. It wouldn't show up on a resistance test while cold. You'd have to have access to the wires and plugs while out and running, when the issue shows up. A look at the plugs before this check might lead you to the suspect cylinders (color, oily, gasoline)

Not enough bikes
Posts: 7
Joined: Mon Aug 24, 2015 11:04 am
Location: Bailiff tx
Motorcycle: Goldwings. 1976. 77 78 79 80. 81. 82 83 84 1997trike

Re: Running like a turle

Postby Not enough bikes » Fri Aug 19, 2016 9:48 am

That's true when coils get hot they pron to intermittently fire or not at all...this is doing it when it is completely cold..new plugs and all are firing..vacuum test today..




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