GL1500 Right bank doesn't run right


Information and questions on GL1500 Goldwings (1988-2000)
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FaulknaciousD
Posts: 2
Joined: Tue May 10, 2022 6:24 pm
Location: Marysville, KS
Motorcycle: 1992 GL1500 Aspencade

GL1500 Right bank doesn't run right

Post by FaulknaciousD »



I am stumped on where the problem is.
So my '92 the right cylinders are not running properly. I can remove the spark plug wire with no change to the engine idle, revving the bike up it cannot make it to peak RPM under full throttle.
I have checked timing which should be proper, compression was fine at ~185psi, I pulled the carbs from what I can tell they look good (before I knew the right bank was the problem I only really checked the left carb), the spark plug wires when removed show spark, checked the resistance across them and they were in spec. I put new spark plugs in even though the old ones looked fine.
The only thing that I can think of is if somehow I messed up a vacuum line or something. Any ideas and help would be great


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Rambozo
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Motorcycle: 1992 GL1500 Aspencade
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Re: GL1500 Right bank doesn't run right

Post by Rambozo »

Sounds like no fuel. Stuck float on the right carb? Are you getting any fuel from the accelerator pump? How from the boosters when revving the engine?
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FaulknaciousD
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Joined: Tue May 10, 2022 6:24 pm
Location: Marysville, KS
Motorcycle: 1992 GL1500 Aspencade

Re: GL1500 Right bank doesn't run right

Post by FaulknaciousD »

Yeah when you twist the throttle the fuel shoots in from the pump nozzles on top, I won't be able to work on it for a little bit, but the float sounds like that could be it.
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Rambozo
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Motorcycle: 1992 GL1500 Aspencade
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Re: GL1500 Right bank doesn't run right

Post by Rambozo »

Nope, if you are getting fuel squirting from the accelerator pump, then the float valve is filling the fuel bowls. Must be something else. A vacuum line could for sure mess it up at idle, but it would have to be a monster leak to keep it from running at high rpm. You would know it.
I guess you could have some large debris blocking the main jets or something else wrong with that carb. You will know when you can run it and look in the carb.


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