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Can't believe I fixed it #4677872
02/25/18 05:40 PM
02/25/18 05:40 PM
Joined: Feb 2011
Posts: 2,071
California
Stelth Offline OP
Stelth  Offline OP

Joined: Feb 2011
Posts: 2,071
California
Last year, I bought one of those wheeled string-trimmer things that looks kind of like a lawn mower, but has the really heavy string where the mower blade would be. Sears Craftsman, Briggs and Stratton engine. After getting quite a bit of use, it sat for a while. Then it wouldn't start. It had usually taken one or two pulls to start, very reliable. Now, nothing. So, I put more gas in it, no dice. Now I'm thinking carburetor trouble.

I have never had good luck with carbs. My feeling has been that they are inhabited by evil spirits, and I can't find the proper incantations. Cars have been fuel injected for quite a while, so I figured I didn't have to worry about it. Of course this one is plastic. I figured out how to get the float bowl off, and found that the float was moving freely, and that there was fuel in the bowl. Now what. I noticed a plastic deal in the middle of the bottom of the carb that looked like it might come out. After some judicious prying, a plastic thingy that looked like three towers came out. I discovered that there was a little brass insert that I couldn't blow through (gotta love the taste of gasoline). I showed it to my DW and asked her if she could think of anything small enough to stab into it, and sure enough, she suggested a sewing needle. Eureka.

Surprisingly, I was able to re-assemble everything on the first try, and now it starts on the first pull again.


Experts are often wrong, but rarely in doubt.
Re: Can't believe I fixed it [Re: Stelth] #4677881
02/25/18 05:48 PM
02/25/18 05:48 PM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline

Joined: Apr 2009
Posts: 2,933
Canada
Garbage bag wire ties are good for cleaning carbs if you don't have anything else like a set of cutting torch tip cleaners.

When I can't find the torch tip cleaners, which is often, I get a garbage bag wire tie, strip the paper/plastic from it and go to work. The wire is the right diameter and very flexible so I don't worry about it breaking off in an orifice.

Re: Can't believe I fixed it [Re: Stelth] #4677882
02/25/18 05:49 PM
02/25/18 05:49 PM
Joined: Mar 2013
Posts: 5,299
The Midwest
skyactiv Offline
skyactiv  Offline

Joined: Mar 2013
Posts: 5,299
The Midwest
Good deal! Never be afraid to try.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual

Re: Can't believe I fixed it [Re: Stelth] #4677883
02/25/18 05:50 PM
02/25/18 05:50 PM
Joined: Jun 2003
Posts: 34,073
ME
eljefino Offline
eljefino  Offline

Joined: Jun 2003
Posts: 34,073
ME
I was vacationing once on this island where there was no industry, no hardware store, but a dump. Inspired by the overgrown hay in the 100 square feet of non-rocky property I lugged home a lawnmower that only ran if you pressed the primer button. It came full of gas and oil even!

Dismantled the carb with a crescent wrench I found, stripped the paper off a bread tie, shoved that through the carb, reassembled, and it started right up. I mowed. drive

Re: Can't believe I fixed it [Re: Stelth] #4677898
02/25/18 06:02 PM
02/25/18 06:02 PM
Joined: Jun 2003
Posts: 18,415
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 18,415
Deplorable in apple valley, ca
I can rebuild a racing carb,Holley or carter. I don't have any luck with small engine ones. Spent most of Friday morning messing with my chainsaw. Finally took it to a shop about 3pm.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Can't believe I fixed it [Re: Stelth] #4677919
02/25/18 06:27 PM
02/25/18 06:27 PM
Joined: Mar 2008
Posts: 6,084
South Florida
bubbatime Offline
bubbatime  Offline

Joined: Mar 2008
Posts: 6,084
South Florida
Many small engine carbs are as cheap as $12 to $15. Just replace it, instead of taking it to the shop. Very easy, works perfect every time.


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 SuperTech Syn 5W20
06 GMC Sierra SuperTech 10W30


Re: Can't believe I fixed it [Re: bubbatime] #4677944
02/25/18 06:51 PM
02/25/18 06:51 PM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline

Joined: Oct 2012
Posts: 4,825
Taiwan
If it worked, good, but I dont think a sewing needle is a very good choice because they have a taper.

Common recommendation is a nylon bristle.Also fine copper electrical wire strand.

In extremis I use a pressure jet of detergent-in+water from a hypodermic syringe, (after boiling) and in extreme extremis I poke it with the needle at the same time.

You need a fine needle, like from an insulin syringe, for the last resort.

Re: Can't believe I fixed it [Re: Stelth] #4678019
02/25/18 07:59 PM
02/25/18 07:59 PM
Joined: Aug 2008
Posts: 3,462
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline

Joined: Aug 2008
Posts: 3,462
Where the wind comes sweepin'
Carb Jet. Meters fuel into the carb.

On older motorcycles it was a thing to get a "jet kit" to bump up the fuel delivery for more power or to make the bike run cooler.

I like to screw with people sometimes and I'll ask if their bike (that had EFI) has a performance jet kit. You'd be surprised how many people say yes because it sounds like something cool to have.

Re: Can't believe I fixed it [Re: Stelth] #4678033
02/25/18 08:10 PM
02/25/18 08:10 PM
Joined: Apr 2013
Posts: 204
Kevil,Ky
vwmaniaman Offline
vwmaniaman  Offline

Joined: Apr 2013
Posts: 204
Kevil,Ky
Once met an old man at a flea market, he had a trailer full of weed eaters and saws and the like for sale. I asked him how he got all of them and how he fixed them. He said he added a quarter cup of sea foam in the tank first and some gas. I had a weed eater that came from my Dad's shed. He passed away like 12 years ago. it had sat all that time. Son added 2 stroke gas and tried to start it with no luck. I went over to it and added the sea foam. It started on the third pull and ran fine again Used it all afternoon on leaves. I'm a believer.


Don't waste your time on a slipshod repair.
Re: Can't believe I fixed it [Re: Stelth] #4678046
02/25/18 08:18 PM
02/25/18 08:18 PM
Joined: Jan 2007
Posts: 833
El Oeste
HawkeyeScott Offline
HawkeyeScott  Offline

Joined: Jan 2007
Posts: 833
El Oeste
Great story. Congrats on the successful repair. Too many good how-to videos not to at least give it a shot. That said, I really enjoy doing a carb rebuild on a Briggs or Tecumseh. On 2 cycles, itís just too cheap and easy to buy a new carb and swap it out. Tiny parts and passages can mean big headaches.

Re: Can't believe I fixed it [Re: boraticus] #4678298
02/26/18 01:08 AM
02/26/18 01:08 AM
Joined: Dec 2016
Posts: 8,006
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,006
Waco, TX
Originally Posted By: boraticus
Garbage bag wire ties are good for cleaning carbs if you don't have anything else like a set of cutting torch tip cleaners. The wire is the right diameter and very flexible so I don't worry about it breaking off in an orifice.


Keep old broken guitar strings around for the same purpose! thumbsup


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Can't believe I fixed it [Re: Linctex] #4678582
02/26/18 11:30 AM
02/26/18 11:30 AM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline

Joined: Apr 2009
Posts: 2,933
Canada
Originally Posted By: Linctex
Originally Posted By: boraticus
Garbage bag wire ties are good for cleaning carbs if you don't have anything else like a set of cutting torch tip cleaners. The wire is the right diameter and very flexible so I don't worry about it breaking off in an orifice.


Keep old broken guitar strings around for the same purpose! thumbsup


The best I can do is play a radio, so I don't have any guitar strings laying around.

Good idea though. I'll have to find some of my old rocker friends from the 60's who may still play a bit of guitar and ask them to save the thin strings for me.

What I find ironic is we're having this discussion regarding the best wires to use to clean a carb, but according to "experts" it's the last thing we're supposed to do to clean a carb?

The only sensible reason I can think of for not using a wire is that you won't be able to clean the carb and will need to take it into a shop so an expert can clean it, likely using a piece of wire. wink

Re: Can't believe I fixed it [Re: Stelth] #4678690
02/26/18 01:35 PM
02/26/18 01:35 PM
Joined: May 2006
Posts: 4,078
Central Wisconsin
dwendt44 Offline
dwendt44  Offline

Joined: May 2006
Posts: 4,078
Central Wisconsin
Quote:
The only sensible reason I can think of for not using a wire is that you won't be able to clean the carb and will need to take it into a shop so an expert can clean it, likely using a piece of wire. wink


But that would be the factory's officially endorsed wire. laugh


There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.
Re: Can't believe I fixed it [Re: Stelth] #4678739
02/26/18 02:38 PM
02/26/18 02:38 PM
Joined: Feb 2015
Posts: 2,595
Slovenia EU
Kamele0N Offline
Kamele0N  Offline

Joined: Feb 2015
Posts: 2,595
Slovenia EU
This is how I do it smile


2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Can't believe I fixed it [Re: vwmaniaman] #4683942
03/04/18 10:58 AM
03/04/18 10:58 AM
Joined: Feb 2011
Posts: 2,071
California
Stelth Offline OP
Stelth  Offline OP

Joined: Feb 2011
Posts: 2,071
California
Originally Posted By: vwmaniaman
Once met an old man at a flea market, he had a trailer full of weed eaters and saws and the like for sale. I asked him how he got all of them and how he fixed them. He said he added a quarter cup of sea foam in the tank first and some gas. I had a weed eater that came from my Dad's shed. He passed away like 12 years ago. it had sat all that time. Son added 2 stroke gas and tried to start it with no luck. I went over to it and added the sea foam. It started on the third pull and ran fine again Used it all afternoon on leaves. I'm a believer.


I'm going to keep this in mind. I have some other OPE that hasn't been run in a while. Thanks.


Experts are often wrong, but rarely in doubt.
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