Replaced fuel filter bike will not start


Information and questions on GL1200 Goldwings (1984-1987)
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snadams1
Posts: 5
Joined: Sat Feb 21, 2015 12:51 pm
Location: Tucson
Motorcycle: 1984 GL1200 Aspencade

Replaced fuel filter bike will not start

Postby snadams1 » Sat Feb 21, 2015 1:09 pm



First time posting. I just replaced my 1984 Aspencade fuel filter with Napa 3011, now bike will not start. The fuel pump has been clicking, sometimes loudly. There is fuel entering pump and exiting pump when hoses are disconnected and while turning bike over I can feel the pump working, maybe not strong enough? I live in a rural area and it is my only transportation to work. Help. Green around the ears.



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virgilmobile
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Re: Replaced fuel filter bike will not start

Postby virgilmobile » Sat Feb 21, 2015 1:37 pm

I suppose the first thing I'd look at is...after you attempt to start it,take a flat blade screwdriver and open one of the carb drain screws..Just to see if there is gas getting into the carbs.Whichever one is easiest to get to.Put a rag under there take catch the gas.

dennislp
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Re: Replaced fuel filter bike will not start

Postby dennislp » Sat Feb 21, 2015 1:44 pm

check vacume line on petcock may have been bumped off or split

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virgilmobile
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Re: Replaced fuel filter bike will not start

Postby virgilmobile » Sat Feb 21, 2015 5:08 pm

I don't recall that the 84 had anything more than a lever to turn on the fuel.I think a vacuum valve showed up on the wing in 88.

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robb
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Re: Replaced fuel filter bike will not start

Postby robb » Sat Feb 21, 2015 5:15 pm

A lot of fuel filters are a one way flow. Check and see if it has an arrow, pointing to tank is backwards.

dennislp
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Re: Replaced fuel filter bike will not start

Postby dennislp » Sat Feb 21, 2015 5:30 pm

was thinking it was a 1500 . 1200 is just a mech valve

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tom84std
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Re: Replaced fuel filter bike will not start

Postby tom84std » Sun Feb 22, 2015 3:32 pm

Dennis, I see you haven't had a chance to reply with any more detail so I thought I would offer my own fuel pump story. Mine failed a couple of years ago. Also an 84 and with around 60,000 miles. With a little research I found that our bikes work with a fuel pressure of 2-6 PSI and the volume requirement is tiny. I found a pump at a major chain which met that requirement. It was an OEM automotive replacement. It came in a kit which included a small steel canister inlet filter. I purchased hose barbs to adapt the threaded inlet/outlet connections to 1/4" fuel hose and installed hose clamps. It's approximately the exact size and shape of the Honda factory unit. (Stay away from the plastic ones which are of a larger diameter. I've had TWO of those fail after six months service.) Total cost was about $50. I was broke down 200 miles from home and I did this in a parking lot. The pump was a gold colored canister but I later painted it black.
You may or may not have a failed pump at this time but yours is 30+ years old now.
If you haven't yet, a hose length connected to the pump and pointing into a coffee can will tell quickly if yours is working. Include the filter inline during the test to eliminate that. Good luck and let us know how it's going.

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HawkeyeGL1200
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Re: Replaced fuel filter bike will not start

Postby HawkeyeGL1200 » Sun Feb 22, 2015 5:43 pm

In a pinch, you can bypass the fuel pump as long as the tank is really full... and ride a while. I can't think of a single reason a fuel filter change would make the bike so that it is unable to start.

Is it possible you unplugged something while changing the filter.. I don't know what... I'd pull the plugs and make sure there is fire and I'd make sure I didn't bump the kill switch to OFF while I was messing around.
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

dennislp
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Re: Replaced fuel filter bike will not start

Postby dennislp » Sun Feb 22, 2015 5:56 pm

the pump can run and not have the press to work . I used a auto fuel pump on a 84 I worked on 2 years ago and I think it worked out better then oem

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trhaag
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Re: Replaced fuel filter bike will not start

Postby trhaag » Wed Feb 25, 2015 7:50 am

I've tried it. The pump received not bezin enough. Try without the filter and see if it starts. If it does it is filter.

snadams1
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Motorcycle: 1984 GL1200 Aspencade

Re: Replaced fuel filter bike will not start

Postby snadams1 » Wed Feb 25, 2015 3:27 pm

Thank you everyone for replying. I took out spark plugs and it looked as if one cap was bad. I replaced them and bike started right up. One plug was not firing or firing weak and possibly two. However I just got home and my bike did the same thing , it stalled but started for a short while with choke open. I have been riding for a few days and no problems until now. Filter arrow is in right direction going to input to fuel pump. There is no vacuum hose to petcock which I do not believe there is one. I do not think that the fuel filter is the problem, it was happen stance that the bike would not start after replacing it. Could it be coils? I am going to check plugs again to see if they are all firing correctly. This problem happened twice during the last two months, however weeks apart. I can hear fuel pump and feel pump working when the bike started with choke on. Bike will not start now with choke open. Frustrated in Tucson.

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tom84std
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Re: Replaced fuel filter bike will not start

Postby tom84std » Sun Mar 01, 2015 7:36 am

Yes, frustrating. I'd be frustrated too. You really need to pin down the problem. One of the big three is missing. Fuel, compression and timed spark. If you don't have a spark tester you can remove a plug or use an old one. If you remove a plug, be careful of dirt or debris falling into the cylinder hole. Blow it out with compressed air before removing the plug. Plug the tester or spark plug into the spark plug connector and place it on the engine block with the gap facing you as you crank, or hold it against the engine with several layers of a shop rag between the plug and your hand. Make sure the steel spark plug body is against the engine block. Check all four wires this way. The presence of compression should be answered by the way it sounds while you crank. If this is good you can move over to check for fuel being where it's supposed to be.

snadams1
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Motorcycle: 1984 GL1200 Aspencade

Re: Replaced fuel filter bike will not start

Postby snadams1 » Tue Mar 03, 2015 2:02 pm

Thanks for replying Tom. My computer screen has gone down, so I am at the library. When it rains it pours. I replaced the plugs , however it looks like the back two cylinders(closest to seat) are are not firing all the time or weakly. I believe that the left coil controls these two. But It probaly is not the coil. The reason I think this is because on other posts people have had the same problem with the ignition switch, causing the bike to stall out. Oh yea, the bike is running now but not correctly because of the firing issue. I saw a post from 2010 and there was a recall on the ignition switchthat started in 1985. I stopped by Honda and the gentleman said that there were no longer ignition switches available from Honda, so he figured that the recall is not in effect. Is there a way to find this information? I realize that the issue could come from bad connections also. Any suggestions? Thank you, Steve.

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virgilmobile
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83 GL1100 standard
84 GL 1200 I

Re: Replaced fuel filter bike will not start

Postby virgilmobile » Tue Mar 03, 2015 3:30 pm

With a volt meter,get to the black wire with the white stripe at the coils.with it running it should be within 1/2 of a volt of the battery volts.That wire is fed from the kill switch.The kills switch is fed on a black wire from the ignition switch.It is fed from the 30 amp fuse on a big red wire.
With this info you should be able to isolate if and where you might have a voltage loss.
If this is the reason for weak spark.

snadams1
Posts: 5
Joined: Sat Feb 21, 2015 12:51 pm
Location: Tucson
Motorcycle: 1984 GL1200 Aspencade

Re: Replaced fuel filter bike will not start

Postby snadams1 » Thu Mar 05, 2015 5:28 pm

Thank you Virgil. Have two days off so I am going to figure this out. I am at the library again looking for a computer monitor for the house. My run/stop switch does not work, bike runs no matter where switch is pointed. I am going to try your suggestion. Thank you for the response.




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