Fuel smell after riding ?


Information and questions on GL1500 Goldwings (1988-2000)
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DannyB
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Location: West Kelowna BC. Canada
Motorcycle: 2000 GL1500 SE

Fuel smell after riding ?

Post by DannyB »



Hello Folks...this is my first posting. My 2000 GL1500 always stinks up the garage after a ride, no matter on the distance. Always a strong aroma of gasoline. Don't think it's running rich, as I only notice it after it's parked for about 1/2 hour in a closed garage. Anybody with same issue? Any idea what I should be looking for? Appreciate the feedback...DannyB.



Mtrdrms
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Joined: Mon Sep 19, 2016 5:24 pm
Location: Colebrook, Connecticut
Motorcycle: 1988 GL1500

Re: Fuel smell after riding ?

Post by Mtrdrms »

Hi Danny, I'm having a similar problem. Will the bike start easily when warm? Does it smoke on startup? If you don't notice any fuel smell when riding and your fuel mileage is ok, rebuild the fuel valve. Its easy and cheap.

Andy
1988 GL1500

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WingAdmin
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Re: Fuel smell after riding ?

Post by WingAdmin »

It can be a stuck or dirty valve in the gas cap, or a worn gasket in the gas cap. The tank will pressurize when it heat soaks from the engine after the bike is parked. If the gas cap lets pressure out too early, you will smell gas. You might try filling the tank right up to the top before parking. That will mean there is less air to expand and force out through the cap.

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ct1500
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Re: Fuel smell after riding ?

Post by ct1500 »

Some will tell you it is normal because they too have a gas stinking ride on their 20 or 30 yr. old machine. :?: It takes diligence starting at tank, pump cover gasket, fuel cap, filter, petcock, hoses and connections right up to carburetors themselves to track down the cause of the fuel/vapor leak.
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DannyB
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Re: Fuel smell after riding ?

Post by DannyB »

Mtrdrms wrote:
Wed Oct 17, 2018 6:46 pm
Hi Danny, I'm having a similar problem. Will the bike start easily when warm? Does it smoke on startup? If you don't notice any fuel smell when riding and your fuel mileage is ok, rebuild the fuel valve. Its easy and cheap.

Andy
Hi Andy....yes, the bike starts first crack after a couple seconds, but always with choke on full...whether hot or cold out (I'm in Canada). As far as smoking...no. As far as fuel valve, I'll pass that by the mechanic next time I'm in there, as when I fix something, I always end up with spare parts...if you know what I mean !! Appreciate the reply

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DannyB
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Re: Fuel smell after riding ?

Post by DannyB »

WingAdmin wrote:
Wed Oct 17, 2018 7:02 pm
It can be a stuck or dirty valve in the gas cap, or a worn gasket in the gas cap. The tank will pressurize when it heat soaks from the engine after the bike is parked. If the gas cap lets pressure out too early, you will smell gas. You might try filling the tank right up to the top before parking. That will mean there is less air to expand and force out through the cap.
Hi WingAdmin..I have trouble with the gas cap. It does tighten securely, but extremely hard to loosen or tighten, takes a man & a baby to close it tight. The cap 'may' need a new seal..or a new cap altogether. I understand about filling the tank after every ride, but some rides are only around town..for a quart of milk...if you know what I mean. Would be a pain in the butt...but I'll check out the cap for sure...Thanks for the reply1

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DannyB
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Re: Fuel smell after riding ?

Post by DannyB »

ct1500 wrote:
Wed Oct 17, 2018 7:34 pm
Some will tell you it is normal because they too have a gas stinking ride on their 20 or 30 yr. old machine. :?: It takes diligence starting at tank, pump cover gasket, fuel cap, filter, petcock, hoses and connections right up to carburetors themselves to track down the cause of the fuel/vapor leak.
Thanks for the reply...yes, I understand it's a dinosaur (2000), but it only has 43,000 miles on it, so it's mine for a while! I guess I'll start at the cap & work my way down. Hopefully I can trace the problem.
If I can't, well....dinosaurs do smell a bit I'm told....appreciate your feedback

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Erdeniz Umman
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Re: Fuel smell after riding ?

Post by Erdeniz Umman »

DannyB wrote:
Thu Oct 18, 2018 7:54 am
WingAdmin wrote:
Wed Oct 17, 2018 7:02 pm
It can be a stuck or dirty valve in the gas cap, or a worn gasket in the gas cap. The tank will pressurize when it heat soaks from the engine after the bike is parked. If the gas cap lets pressure out too early, you will smell gas. You might try filling the tank right up to the top before parking. That will mean there is less air to expand and force out through the cap.
Hi WingAdmin..I have trouble with the gas cap. It does tighten securely, but extremely hard to loosen or tighten, takes a man & a baby to close it tight. The cap 'may' need a new seal..or a new cap altogether. I understand about filling the tank after every ride, but some rides are only around town..for a quart of milk...if you know what I mean. Would be a pain in the butt...but I'll check out the cap for sure...Thanks for the reply1
Remove the seal and apply light coat of grease where the seal seats inside the cap. Then reinstall the seal, so that cap will turn easily.
Last edited by Erdeniz Umman on Thu Oct 18, 2018 9:37 am, edited 1 time in total.

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RBGERSON
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Re: Fuel smell after riding ?

Post by RBGERSON »

Any gas sitting in the tray around the gas cap..= leaky petcock..???
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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DannyB
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Re: Fuel smell after riding ?

Post by DannyB »

RBGERSON wrote:
Thu Oct 18, 2018 8:53 am
Any gas sitting in the tray around the gas cap..= leaky petcock..???
No Sir....sometimes, when I overfill or spill, but that's expected. Tank could be 1/2 full, and after a ride, it smells up the garage. I'm going to check the gas cap first, for a new seal/cap.
thanks for the reply

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RBGERSON
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Re: Fuel smell after riding ?

Post by RBGERSON »

If teh petcock is bad it only leaks when yoiu are riding..there is a weep hole to show yous the diaphragm is bad..it drys up fairly quickly after you stop the bike as most of it drains out the tray's hose.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

89 1500
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Re: Fuel smell after riding ?

Post by 89 1500 »

Mine was the petcock, most common leak. Rebuilt it twice and got tired of messing with it. The petcock lives in the bottom of my tool box Where the usless pos belongs. Now the fuel filter lives where the leak machine used to. no problems with running etc...been that way for years now. I'll strip the damn thing off of the next 15 too.

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DenverWinger
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1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: Fuel smell after riding ?

Post by DenverWinger »

I don't think I'd want to do that on a 1500, the petcock is there to prevent hydrolock.

If the tank is full it will gravity-feed fuel to the carburetors, and if a carburetor has an issue with the float you could hydrolock a cylinder.

The 1100 if hydrolocked will just stall the starter (done that several times from leaky headgasket) but the 1500 has enough grunt in the starter to bend connecting rods or strip starter gears. Scary. :shock:

I saw somewhere recently (was it here or Saunder's site) somebody posted a picture of an electric petcock valve. Looked like it would fit nicely. You could install that, and power it from the accessory terminals.
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
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WingAdmin
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Re: Fuel smell after riding ?

Post by WingAdmin »

DenverWinger wrote:
Fri Oct 19, 2018 7:53 am
I don't think I'd want to do that on a 1500, the petcock is there to prevent hydrolock.

If the tank is full it will gravity-feed fuel to the carburetors, and if a carburetor has an issue with the float you could hydrolock a cylinder.

The 1100 if hydrolocked will just stall the starter (done that several times from leaky headgasket) but the 1500 has enough grunt in the starter to bend connecting rods or strip starter gears. Scary. :shock:

I saw somewhere recently (was it here or Saunder's site) somebody posted a picture of an electric petcock valve. Looked like it would fit nicely. You could install that, and power it from the accessory terminals.
I agree, I wouldn't go without a petcock on my 1500. This is the electric petcock that was being discussed: viewtopic.php?f=6&t=41869&p=255400#p255208

89 1500
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Re: Fuel smell after riding ?

Post by 89 1500 »

If you filled a cylinder with fuel it had nothing to do with that petcock that's all carb and a lot would have to be going on to get that much fuel through the system. Seven of us removed them mine being the longest at eight years no issues unless the bike sits for more than 2 weeks. Some fuel bled back to the tank over time. Still cranked normally and after a few minutes at idle the fuel filter filled to normal.

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ct1500
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Re: Fuel smell after riding ?

Post by ct1500 »

The auto petcocks primary function is a safety device to prevent fuel flow in the event of tip-over. A carburetor motorcycle when tipped over either through vehicle accident or unattended when parked is a much greater likelihood than a float valve failure. The petcock works in conjunction with the bank angle sensor, ECM and fuel pump all designed to stop fuel flow minimizing fire hazard in the event of tip-over.
Local and need repair help with your 1500, Valkyrie or ST please click contact
Nothing leaves my shop till its' perfect
This is what I do

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DenverWinger
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Motorcycle: (s)
1980 GL1100 STD Vetter (2005-)
1993 GL1500 Aspencade (2017-)
1983 Trav-Lite Camper (2010-)
Past rides
1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: Fuel smell after riding ?

Post by DenverWinger »

With that in mind probably a better source for power on the electric petcock would be from a relay triggered by fuel pump power rather than just accessory power.


♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark

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