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Message started by justin_o_guy on 05/19/07 at 11:49:46

Title: Straight gasoline in vent hose.
Post by justin_o_guy on 05/19/07 at 11:49:46

I forgot to mention htis. I drained the vent that hangs down from the airbox & all I got was gasoline, about a tablespoon .
The air filter seemed okay, didnt smell of gas particularly. So, I am soon to change the jet to 152.5 & then run a few throttle chop experiments, now that I have a nice collection of sparking plugs. Is there a reason for the gas being there? Is this common? Do any of you ever drain that plugged off tube? What kind of corruption do you get?

Title: Re: Straight gasoline in vent hose.
Post by azjay on 05/19/07 at 19:02:19

i have had that happen a couple times, however it did fuel the filter, and the paper wouldn't flow any air(a good argument for a K&N). i blame it on the d@mn cv style carb, i hate them!

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/20/07 at 12:25:03

It isn't really a vent. More like a drain because stuff is supposed to collect in there. A tablesthingie isn't much of anything anyway.

If it is gas, why doesn't it particularly smell like gas? Water vapor and oil mist condensed out of the crankcase will smell like a petroleum product.

Title: Re: Straight gasoline in vent hose.
Post by justin_o_guy on 05/20/07 at 13:22:00

It was gas, looked & smelled like gas, evaporated like gas & if I had had a grinder handy, I might have checked to see if it would burn like gas.. I can light about anything with my grinder, even stuff i dont want to light,.

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/20/07 at 15:21:29

justin_o_guy wrote:

Then wouldn't you say that you need to find out how gas got from the tank to the airbox?

Title: Re: Straight gasoline in vent hose.
Post by justin_o_guy on 05/20/07 at 15:51:38

Uhhhh, I believe that was the reason I posted that. Hoping someone who has seen a few of my posts about Lousy MPG & perahps, being good mechanics with extensive experience, maybe say something helpful.. I wonder if theres anyone here who might be able to do that?

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/20/07 at 16:03:14

justin_o_guy wrote:

No one can turn the screw driver for you, and you've already been in there when you were messing with jets. I think that you already know where to begin. (Check the floats, if you don't)

Stop being a newbie. Heck, I fixed the carbs on a '04 GS500 this week without a manual, and it was the first time I'd ever even touched one.

Besides, you never mentioned how long since the last time you checked that drain. A tablesthingie isn't much liquid. I've seen almost a 1/2 cup come outta there. If it's been a few months, then there's probably no reason for this topic anyway :P

Title: Re: Straight gasoline in vent hose.
Post by verslagen1 on 05/20/07 at 16:06:16

How'd you check that it was gas?
Water and oil will smell like gas?
The last time I drained mine, it ran like water and looked like oil. and didn't evaporate. For it to hang in that tube, it's either fresh gas or dirty water.

Title: Re: Straight gasoline in vent hose.
Post by bduff on 05/20/07 at 18:18:00

I would check your crankcase, see if you have gas in there.

Title: Re: Straight gasoline in vent hose.
Post by justin_o_guy on 05/20/07 at 18:39:10

The floor of the garage is sealed, so stuff doesnt soak in. I wiped part up & the rest evaporated pretty quick. I think I should check it again real soon,I'll be more careful to study it next time, I'll catch it instead of open the thing up on the floor. Maybe therte woint be anythng,, I could dig that.

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/21/07 at 04:51:12

verslagen1 wrote:

How'd you check that it was gas?
Water and oil will smell like gas?

I said, "it will smell like a petroleum product". I didn't say gas.

Quote:

The last time I drained mine, it ran like water and looked like oil. and didn't evaporate. For it to hang in that tube, it's either fresh gas or dirty water.

That is generally what it is. Goop. It hangs in the tube because there is supposed to be a plug in the end.

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/21/07 at 04:53:32

bduff wrote:

I would check your crankcase, see if you have gas in there.

Yeah. can't be too careful with gasoline at today's prices.

Title: Re: Straight gasoline in vent hose.
Post by bduff on 05/21/07 at 05:12:19

when i had this problem it was a mixture of oil and gas coming from the vent tube into the air cleaner box and then out the overflow tubes, due to a bad petc0ck. as of now i replaced the petc0ck and so far so good. my crankcase was filled with oil and gas which then worked its way up to the breather tube

Title: Re: Straight gasoline in vent hose.
Post by Greg_650 on 05/21/07 at 05:45:20

bduff wrote:

That really sucked, but that is by far more the exception, and not the rule.