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Message started by Struch on 01/09/16 at 03:06:24

Title: carburetor vent/valves ?
Post by Struch on 01/09/16 at 03:06:24

Ok I clean my carburetor and change out floating needle. all was good but
it started to get cold and one morning I started it and it wasn't starting right up because of 38-40 degrees but it started to leak fuel my guess from this vent tubes under the seat ((. What I can do to fix it?   :'(  

Title: Re: carburetor vent/valves ?
Post by Steve H on 01/09/16 at 07:31:13

If you're leaking fuel from the vent tubes, your float valve isn't sealing properly in the carb.

Disassemble, clean, check condition, reassemble or replace needle and seat depending on condition then reassemble.

Always verify float height when you change the needle or the float.

Check your oil for gas.

Title: Re: carburetor vent/valves ?
Post by Struch on 01/10/16 at 01:53:17

Thanks for answer )
Ok I will pull it out tomorrow to clean and so forth.
How I can set the level of the float??? Because that what I re-please a month ago. I got oil changed yesterday so I guess I'm not going to be able to check for fuel in it ( and if I'm going to block this tubes what that going to do? I have Raptor.

Title: Re: carburetor vent/valves ?
Post by Steve H on 01/11/16 at 03:58:27

Here's the float level checking instructions from the tech section
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1367212825

Title: Re: carburetor vent/valves ?
Post by Struch on 01/11/16 at 07:25:13

You the best thanks Steve I took it off going to clean it and set it up. But on the went tubes do you know is it fine if it is going to be closed?

Title: Re: carburetor vent/valves ?
Post by Dave on 01/11/16 at 07:52:59


537472756368000 wrote:
But on the went tubes do you know is it fine if it is going to be closed?


Those vent tubes need to be open and operating.....they are there for a reason (to vent).  I think it is a bit weird that they extend so far up - but perhaps the idea is that if you tip over and the bike is upside down...the fuel will not flow onto the hot cylinder head.

Title: Re: carburetor vent/valves ?
Post by Struch on 01/12/16 at 04:53:42

Thanks Dave now I got it I hade an idea thet it works only f you have a vacuum on the bike ) but my is manual this why I had that ?

Title: Re: carburetor vent/valves ?
Post by Struch on 01/13/16 at 11:10:34

Ok I took it a part and guess I found it >:( it is a floater! The floater is not hermetic and one of the sides half full with gas  :'( Well I'm glad that I found it and so on but her is The ?  Can I solder it after drilling it out empty it and so on did some one had that problem??? Tanks

Title: Re: carburetor vent/valves ?
Post by Dave on 01/13/16 at 12:19:41

Well, yes....they can be soldered....but it is not easy.

You can drill the hole, and drain it, then when you try to solder it back up the expanding air inside wants to blow the solder out of the hole....or the cooling air wants to suck the solder inside.....or you heat it up too much and unsolder the float from the mounting arm.  (You also have to be sure you soldered up the leak that let the fuel get inside).

Title: Re: carburetor vent/valves ?
Post by justin_o_guy2 on 01/14/16 at 00:07:38

A wimpy soldering tool means that you have to hold it on longer, creating the problems Dave describes. Clean the area, apply flux, get solder on the tip of the gun, stick it on the area, hold till you see it flow. If it sucks in /blows out, no biggie, Now it's tinned. Now the solder just needs to stick to solder. A damp sponge cools the tip
The cooler tip has less resistance
Lower resistance increases current flow
That increases temperature

Cool it
Stab the tip into your flux
Apply solder to the iron
Touch the spot

If that doesn't get it, id be surprised.

If you don't already have soldering tools, probably ahead just buying a float.

Title: Re: carburetor vent/valves ?
Post by Struch on 01/15/16 at 07:49:09

that cool I do have it probably gona do it today I leat you know how it is gona go )

Title: Re: carburetor vent/valves ?
Post by Struch on 01/15/16 at 08:13:55

By the way wile I was cleaning the carb I found that I have 2 small needle hauls in piston valve (rubbery skirt before the Jet needle) or how you call this  :) Is that a big problem? What it can do?

Title: Re: carburetor vent/valves ?
Post by verslagen1 on 01/15/16 at 09:29:46


617265647B7670727926170 wrote:
I've been having carb issues for the past week.
the engine doesn't like a certain rpm off idle... sometimes.
backfires, crackles and pops... awesome and on command.

pulled the carb and found a hole in the diaphragm.

found some glue that's fuel proof (pliobond) at ace hardware.
used it last year to revitalize an intake duct on an old bike.
just slather it all over and it's like new... well at least the cracks are gone and it's flexible again.

unless anybody got a better idea, I'll use the pliobond to fix the hole.


Haven't had it in the bike yet, but it appears to have fixed the issue.
just fill the hole with it and wait for it to dry.

Title: Re: carburetor vent/valves ?
Post by Dave on 01/15/16 at 09:32:54


1E393F382E254D0 wrote:
By the way wile I was cleaning the carb I found that I have 2 small needle hauls in piston valve (rubbery skirt before the Jet needle) or how you call this  :) Is that a big problem? What it can do?


If they are really tiny - it might not hurt anything as long as they aren't letting so much air pass through that the piston isn't raised against the spring pressure.

I would be tempted to put a tiny amount of RTV sealer or Superglue on the holes.

Title: Re: carburetor vent/valves ?
Post by KennyG on 01/15/16 at 11:23:21

Good Year Pliobond is the very best contact cement ever made.
I have been using it for 60 years.

Plumbers, counter top makers and shoemakers use it extensively.

Kenny G

Title: Re: carburetor vent/valves ?
Post by justin_o_guy2 on 01/15/16 at 20:40:37

And I have a almost New quart of Less than great  contact cement. Rats.

Title: Re: carburetor vent/valves ?
Post by KennyG on 01/15/16 at 20:49:06

Justin,

Depending on what you are using the contact cement for you really don't have to have Pliobond. I have Weldwood brand and I use that for odd and end jobs around the house and shop.

Kenny G

Title: Re: carburetor vent/valves ?
Post by Struch on 01/16/16 at 04:06:12

Ok I will go with pliobond I will post wot it gona end with )

Title: Re: carburetor vent/valves ?
Post by Struch on 01/16/16 at 10:33:40

I found tis

Title: Re: carburetor vent/valves ?
Post by justin_o_guy2 on 01/16/16 at 13:53:34

Keep it outta your ears.

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