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Message started by Afan on 12/15/14 at 14:28:29

Title: Replacing a choke
Post by Afan on 12/15/14 at 14:28:29

Hi,
recently I dropped my 2006 S40 on the driveway and my pants got hooked on the choke knob and bent it. I managed to straiten it but now the choke doesn't stay in pulled position. The moment I release it it would go back. Eventually stayed just a little bit out. I wonder if I can replace just the choke or I have to replace the whole carb w/ choke?!?

Thanks,
Afan

Title: Re: Replacing a choke
Post by verslagen1 on 12/15/14 at 14:38:21

you can order the choke knob separately.

Title: Re: Replacing a choke
Post by KennyG on 12/15/14 at 14:56:06

The choke on my almost new 2013 S40 will not stay on. After I put the bike in gear and start riding the choke knob slides back in.

I have been using a wooden clothes pin to hold the choke on for the first 5 minutes of riding.

Is there a better remedy?

Kenny G

Title: Re: Replacing a choke
Post by Afan on 12/15/14 at 15:10:05


776473726D6066646F30010 wrote:
you can order the choke knob separately.


In case I wasn't clear, it's not the knob that gives me an headache. When I bent the axle the knob is on it, it first couldn't go in. After I straitened it up now the choke doesn't stay out.

Title: Re: Replacing a choke
Post by verslagen1 on 12/15/14 at 15:40:57


4C6B6C630D0 wrote:
[quote author=776473726D6066646F30010 link=1418682509/0#1 date=1418683101]you can order the choke knob separately.


In case I wasn't clear, it's not the knob that gives me an headache. When I bent the axle the knob is on it, it first couldn't go in. After I straitened it up now the choke doesn't stay out.
[/quote]
If I wasn't clear, you can go online and check what you can order with any oem supplier.

Title: Re: Replacing a choke
Post by Afan on 12/15/14 at 16:03:03


392A3D3C232E282A217E4F0 wrote:
If I wasn't clear, you can go online and check what you can order with any oem supplier.

I tried and wasn't successful. I don't know what to look for.
:-[

Title: Re: Replacing a choke
Post by Afan on 12/15/14 at 16:16:38

According to http://www.suzukipartshouse.com/oemparts/a/suz/506b36bbf870022ba8af9e41/carburetor it's called "PLUNGER ASSY"  :-?

Title: Re: Replacing a choke
Post by justin_o_guy2 on 12/16/14 at 15:47:37

Short piece of tubing, slotted, fit on the shaft, keep knob out,, shorter piece = 1/2 choke. Anything you can slip in there,, or, buy parts and hope you can get in and back out and not mess up the carb..

Title: Re: Replacing a choke
Post by Dave on 12/17/14 at 04:30:27

I had to buy a the enrichment (choke) plunger assembly for a carb that I shipped...the box was crushed and UPS bought the new plunger assembly.  They are about $ 39 at the dealer and easy to replace...except the cable bracket needs to be removed to get the plunger assembly out and back in.


http://www.partzilla.com/parts/detail/suzuki/SP-13411-24C00.html

Title: Re: Replacing a choke
Post by ohiomoto on 09/13/24 at 07:39:34

Does anyone know what mechanism provides detent to the plunger?    

I see a lot of inexpensive "plunger caps" for sale.  

EDIT: After a little searching it appears that the cap assembly is the detent.  There are two parts.  The threaded plastic part and a rubber grommet.  I think the plastic provides the detent and the rubber cap applies the pressure needed to hold the detent.

I found a video that shows how you can "fix" the issue with a zip tie around the rubber grommet. I applied pressure with my finger and it improved the detent.

I'll try the zip tie trick.  If it works I'm going to explore replacing the plunger cap.  

Here is the video.  (Some of you might find it entertaining.)

https://www.youtube.com/watch?v=XrrITUA7TlQ

[media]http://www.youtube.com/watch?v=XrrITUA7TlQ[/media]

Title: Re: Replacing a choke
Post by ohiomoto on 09/16/24 at 06:25:10

The zip tie trick works.  The knob holds strong in all positions.  If anything it might be too tight and I wonder if it will cause the plastic part to wear out faster.  An o-ring might be a better option, but I didn't have on handy.  

Finding the correct cap assembly would be ideal but it's good to know we can extend the life of the enrichener assembly.

Title: Re: Replacing a choke
Post by JOG on 09/16/24 at 19:33:08

IDK how well it works but there are YouTubers out there who make knobs using hot glue. I saw some pretty good looking ones. If you have a favorite beer,A bottle cap can be built in.
One guy used a box end wrench for the form and made it easy to twist.
I know, twisting isn't the goal here,just saying.

Title: Re: Replacing a choke
Post by zevenenergie on 09/17/24 at 00:38:45

I would never put a tie wrap on my rubber grommet. I think it looks cheap.

Whether it is a four stroke or a two stroke a tie wrap has a sharp edge and can easily damage the skin.
You only have to hold it up briefly. Once the engine is started the engine is quickly warm. If you then give full throttle you are exactly where you want to be..

Title: Re: Replacing a choke
Post by JOG on 09/17/24 at 03:16:16

After I did the cam,exhaust and jetting it took mine a little over two miles to be able to ditch the choke, Or,I could reach down and crank the idle up. After I figured that out I just fired it up on the choke, jacked the idle,rode off and kept backing the idle down as it warmed up. Didn't matter if it was a pretty day or a crisp morning, first start required some attention.

Title: Re: Replacing a choke
Post by ThumperPaul on 09/17/24 at 04:58:06

Dave and Verslagen had the right idea and actually answered the question.  Buy a complete new plugger assembly (part #29 in the diagram).  Darn thing is expensive at $49.  https://www.partzilla.com/catalog/suzuki/motorcycle/2006/boulevard-s40-ls650/carburetor

I’m cheap, so I’d probably buy this eBay special and see if it fits.  Our BS40SS carb isn’t listed, but the part sure looks the same.  For $8, why not give it a shot.

https://www.ebay.com/itm/315424727220?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=cdxlfgc5ryy&sssrc=4429486&ssuid=E09oxHAHSqa&var=&widget_ver=artemis&media=COPY

Title: Re: Replacing a choke
Post by JOG on 09/17/24 at 06:26:49

It's a brass shaft. Pull it apart, straighten it up, fix it.
Put the shaft on a flat piece of steel that only supports the shaft. Roll it till the bend is up, using something light, a piece of wood, tap it down. Don't smack it a flat spot it.
Once it's close enough to straight and will roll, a flat piece of steel, back and forth, rolling it, under pressure, it Otta straighten out.
If it doesn't work you can always spend the money. Take a swing at it first..

Title: Re: Replacing a choke
Post by zevenenergie on 09/17/24 at 23:51:48

My o my god. What some people do to there shaft strait.

Title: Re: Replacing a choke
Post by ThumperPaul on 09/18/24 at 04:54:08


27382B38333833382F3A34385D0 wrote:
My o my god. What some people do to there shaft strait.


;D  As JOG said, don’t smack it…

Title: Re: Replacing a choke
Post by JOG on 09/18/24 at 20:19:42

Well, not with anything harder than YerLipps..
A gentle lip smackin might just straighten the wrinkled up thing right on Outt..
Your inchage may vary.

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