95 GL1500 Fuel Pump??

Information and questions on GL1500 Goldwings (1988-2000)
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Joined: Sun Feb 20, 2011 9:10 pm
Location: San Antonio, TX
Motorcycle: 1995 GL1500 Aspencade

95 GL1500 Fuel Pump??

Post by benbloan » Tue Feb 22, 2011 11:41 am

My bike runs fine - until I get on the highway! I will be cruising along at 70 for 15-20 mins, then the engine loses power. It acts like it is out of gas, when I open the throttle it just continues to lose RPMs. When it gets down to about 40 MPH it starts running fine again. I can get it back up to 70 for a mile or so and then it happens again. I am positive that it is not getting fuel, but need to understand what is causing it. If the fuel pump is gone, it wouldn't run at all, would it? Any insight will be greatly appreciated.

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Re: 95 GL1500 Fuel Pump??

Post by tmilam » Tue Feb 22, 2011 5:53 pm

I would change fuel filter first.

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Re: 95 GL1500 Fuel Pump??

Post by thrasherg » Tue Feb 22, 2011 6:10 pm

You might want to make sure the tank breather is not blocked. Your symptoms sound like a blocked fuel tank breather which causes a vacuum in the tank (Preventing fuel from going to the carb) as you slow down some air leaks in allowing the fuel to get out for a short while until the vacuum forms again. I would suggest riding your bike and when the problem happens again, try opening the filler cap and just leave it open for a while and see if the problem goes away. If it does then it's your breather. If it doesn't then it's something else, probably a clogged fuel filter or defective pump.


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Re: 95 GL1500 Fuel Pump??

Post by MikeB » Tue Feb 22, 2011 10:15 pm

I had the identical problem with my '99 Aspencade several years ago. What the problem was with my Aspy was the Auto Fuel Valve. It is simple to test, see below...

If the test shows that it is defective, you can rebuild it with a kit from J&L ( I think) or you can buy a complete valve from Honda at over $100.
Until you decide how to proceed, you can always bypass the valve and ride it without the valve until you get it rebuilt or replaced.
Tacoma, WA, USA

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Re: 95 GL1500 Fuel Pump??

Post by burntice51 » Fri Feb 25, 2011 1:25 am

My friend was having the same problem. He would ride for a while and then the bike would just run out of power. So I took off the gas cap and underneath in the middle is a breather valve that works just like a themostat. If it doesn't open to relieve pressure in your tank your fuel pump senses too much pressure and cuts off. Take a nail and push in the middle of the under side of your gas cap and make sure that that breather valve is working smoothly.

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Re: 95 GL1500 Fuel Pump??

Post by CrystalPistol » Fri Mar 04, 2011 12:21 am

Or you could replace the vacum operated fuel valve (petcock) with a manual petcock if you like.

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Re: 95 GL1500 Fuel Pump??

Post by furnacedoc » Sat Mar 05, 2011 5:49 pm

I had the same issue on My 97 1500se so I soaked the gas cap in seafoam overnight then blew it out with an air hose and have not had antother issues.

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