SuzukiSavage.com - Print Page

SuzukiSavage.com
/cgi-bin/YaBB.pl
General Category >> Rubber Side Down! >> Puke tube
/cgi-bin/YaBB.pl?num=1697459715

Message started by pg on 10/16/23 at 05:35:15

Title: Puke tube
Post by pg on 10/16/23 at 05:35:15

My '05 is running pretty well; however, I see a lot of oil and gas mixture coming from the puke tube. The manual petcock works properly as I have a tygon fuel line and I can see the fuel. I turn it off, when I am not going to ride it. I'm guessing I have a problem with the float, does that sound about right? Thanks

Best regards,

Title: Re: Puke tube
Post by verslagen1 on 10/16/23 at 05:53:26

I would be concerned about the amount of gas in the puke tube which I have to assume you mean the breather tube. At that point it’s already in the crank case and mixing with oil.

The float valve may be the problem but if not then you may have it jetted too rich

Title: Re: Puke tube
Post by pg on 10/16/23 at 06:14:47

Yeah, I dumbed the oil and it was filled with gas. I was hoping it was a fluke, but this is a problem that is not going away. It was jetted on the rich years ago. It ran really well, and I didn't have any issues. That was years ago though. Thanks

Best regards,

Title: Re: Puke tube
Post by Serowbot on 10/16/23 at 06:55:21

Now wait a minute...
The Breather tube is a fatty coming off the top right side of the head.
The puke tube hangs down from the airbox under the bike.

Which is it?

Title: Re: Puke tube
Post by pg on 10/16/23 at 07:30:49

I was referring to the one at the bottom of the bike. With that said, I replace the tube on the top of the engine and I didn’t have a clamp. I get lots I’d residual oil on that side of the engine. Thanks

Best regards,

Title: Re: Puke tube
Post by ohiomoto on 10/16/23 at 17:14:39

My guess: Faulty petcock (even manual petcocks can fail, verify its operation), worn float needle, float level needs adjusted, bad or leaking float..

[media]http://www.youtube.com/watch?v=eXVzajDpiEI[/media]

Title: Re: Puke tube
Post by pg on 10/18/23 at 04:58:12

787F7E787A786378170 wrote:

My guess: Faulty petcock (even manual petcocks can fail, verify its operation), worn float needle, float level needs adjusted, bad or leaking float..

Thanks to all for your assistance. I'm pretty sure the petcock is ok. I didn't like the condition of the float the last time I cleaned the carb. I ordered a new one and I will need to check the height. Is it common for float needles go bad?

Best regards,

Title: Re: Puke tube
Post by Serowbot on 10/18/23 at 06:30:46

Yup, on all bikes. Over time that little rubber tip hardens and no longer seals.
Sometimes you can just clean the needle and seat, but when it gets hard, it's over.
Modern gas.... don't cha' love it?

Title: Re: Puke tube
Post by ohiomoto on 10/18/23 at 16:09:21

283F39353A2A580 wrote:

----------------

I could tell you a story about the last time someone said "I'm pretty sure..." to me. ;D

It's not hard to test the petcock. Pull the hose and make sure it works. Even a small drip when it's off is going to feed the float bowl. May as well do it while you wait for the float.

I wouldn't say it's common to wear out a needle. I've only replaced one or two in my lifetime. You will see a groove worn into the rubber on the needle's tip.

Title: Re: Puke tube
Post by pg on 10/18/23 at 18:47:25

The reason I thnik the petcock is working ok is because it has a translucent tygon fuel hose to a fuel filter. I can see what is going on. Also, I cut off the fuel and let it sit for 5 or 6 weeks and didn't have any issues.

The float shipped out and I need to double check on how to measure height. I'll drop a note with an update after I dig in.

Best regards,

Title: Re: Puke tube
Post by ohiomoto on 10/18/23 at 19:25:47

Gotcha. I forgot you had mentioned that. If you are keeping fuel in the line, the float isn't leaking unless the petcock has a slow leak that you aren't seeing.

Title: Re: Puke tube
Post by Dave on 10/19/23 at 03:46:21

I haven't seen anyone mention the vacuum tube from the carb to the pecock. After a while the ethanol fuel negatively affects the diaphragm in the petcock. Some of them get stiff and stop functioning - some get holes and start leaking fuel into the vent tube.

Take the vent tube off and see if there is fuel in it. If it is wet or smells like fuel - that is an indication that the diaphragm is leaking. You can do a test by disconnecting the vent tube and plugging the carb nipple - then set the petcock to prime so the bike will get fuel and run.

Title: Re: Puke tube
Post by ohiomoto on 10/19/23 at 18:51:46

He said he has a manual petcock which is what the raptor is. I assume that's what he meant. I hate it when I assume something. lol

Title: Re: Puke tube
Post by Dave on 10/20/23 at 05:59:23

4A4D4C4A484A514A250 wrote:

He said he has a manual petcock which is what the raptor is. I assume that's what he meant. I hate it when I assume something. lol

Oooops.....my bad! Somehow I missed that.

Title: Re: Puke tube
Post by pg on 10/22/23 at 12:24:49

I opened up the carb and the old float didn't look too good, it was sitting just out of spec. I put the new one in a made sure it sat in the middle of their recommendation. It started up and idled a lot easier. I don't foresee any issues moving forward.

Best regards,