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denistheruski YaBB Newbies Offline 2005 Suzuki Savage Posts: 45 Austin, TX	Do I really have to suck on ... 11/11/12 at 14:05:10 ... the vac line while performing Serowbot's petcock test in order to see if I have diaphragm leakage? I sniffed the line after I took it off of the carb nipple and it did smell a bit like gasoline. Not sure if that's a sign of anything.
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28889 L.A. California Gender:	Re: Do I really have to suck on ... Reply #1 - 11/11/12 at 14:25:38 that hose is between the gas tank and the carb... a faint smell of gas?
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denistheruski YaBB Newbies Offline 2005 Suzuki Savage Posts: 45 Austin, TX	Re: Do I really have to suck on ... Reply #2 - 11/11/12 at 15:59:27 Given how pungent gasoline is, I would say it's a faint smell.
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Gyrobob Serious Thumper Offline Posers ain't motorcyclists Posts: 2571 Newnan, GA Gender:	Re: Do I really have to suck on ... Reply #3 - 11/11/12 at 16:18:33 denistheruski wrote on 11/11/12 at 15:59:27: Given how pungent gasoline is, I would say it's a faint smell. If it is anything less than a 2.8 on the Keester-Smithereen PAP scale, you're fine. (PAP = petroleum aromatic pungency) Generally you have to be way past seven for there to be any concern.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Do I really have to suck on ... Reply #4 - 11/11/12 at 18:33:51 Bob,, didnt ya get that bakkerds? Isnt that Smithereen - Keester? Blows yer nose to Smithereens & puts ya on yer Keester?
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Re: Do I really have to suck on ...
Reply #5 - 11/11/12 at 19:00:12

justin_o_guy2 wrote on 11/11/12 at 18:33:51:

Bob,, didnt ya get that bakkerds? Isnt that Smithereen - Keester?

Blows yer nose to Smithereens & puts ya on yer Keester?

The way it was relayed to me was that a fellow (I think his name was Flotsam G. Williker) had his keester blown to smithereens from smelling pungent substances so pungent, the vapors combined with the natural methane in his posterior and spontaneously combusted.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Do I really have to suck on ... Reply #6 - 11/11/12 at 19:06:57 Ive known a lot of people who woulda suffered a concussion from such an event,,
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Oldfeller--FSO Serious Thumper ModSquad Offline Hobby is now "concentrated neuropany" Posts: 12673 Fayetteville, NC Gender:	Re: Do I really have to suck on ... Reply #7 - 11/12/12 at 12:26:50 I've heard of people taking off their vac petcock and putting on a Raptor so they can have the stock vac petcock unit to carry in their pocket as a synthetic cigarette replacement. Puffa-puffa, nice !!! ___Woosh___ musta been a fresh one .... and you aren't supposed to light them
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LouSiana

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Re: Do I really have to suck on ...
Reply #8 - 11/13/12 at 13:40:01

denistheruski wrote on 11/11/12 at 14:05:10:

... the vac line while performing Serowbot's petcock test in order to see if I have diaphragm leakage? I sniffed the line after I took it off of the carb nipple and it did smell a bit like gasoline. Not sure if that's a sign of anything.

This is quite right. The running engine sucks the air out of the line, producing a light vacuum. Now you stop the engine and air and gas vapor re-enters into the line. Behind the throttle you should have a mix of air and gasoline.

verslagen1 wrote on 11/11/12 at 14:25:38:

that hose is between the gas tank and the carb... a faint smell of gas?

No, sorry. The line he mentioned is between the carb and the petcock.
Just another sort of paranoia coming up? Wink

I personally am not shy for a handful of gasoline molecules in my mouth, so for a quick test I suck on the vac line from the carburetor side, close the line with the tip of my tongue and feel the continuous vac sucking my tongue. If it does for about 10 seconds, I can trust the diaphragm to be OK. Sucking pulses makes the work of the diaphragm audible.

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Re: Do I really have to suck on ...
Reply #9 - 11/13/12 at 14:47:01

LouSiana wrote on 11/13/12 at 13:40:01:

verslagen1 wrote on 11/11/12 at 14:25:38:

that hose is between the gas tank and the carb... a faint smell of gas?

No, sorry. The line he mentioned is between the carb and the petcock.
Just another sort of paranoia coming up? Wink

Both the vac line and the gas line technically go between the carb and the petcock, a very short throw from the tank Mr hair splitter. One carries gas, the other vacuum. it would not be impossible for a wif of gas to exist in the vac line, whether it's sucked in on shutdown or permiated thru the diaphragm.

If one can get gas on his hands and thoroughly wash, then go into the house and still smell it...

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