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Post by kagetenshi on Oct 19, 2016 16:10:52 GMT -5
To keep a long story short, the inside of my carb is yellowish green and crusty. The crust is causing my carb float to stick which is causing major fuel overflow. Is there an easy way to clean the carb? Or am I stuck with the arduous task of doing it with carb cleaner and elbow grease?
Edit: I didn't think this qualified for the troubleshooting section since I already know what the problem is.
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Post by 190mech on Oct 19, 2016 16:40:09 GMT -5
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Post by gsx600racer on Oct 19, 2016 19:13:10 GMT -5
Are you using genuine Tygon fuel line ? There are a lot of imitations out there that are usually made of cheap vinyl. The cheap stuff breaks down not long after its installed. I'v been running Tygon hose for several years on scooters without any issues and even many more years on small engines(movers, chainsaws, trimmers, ect)without problems. Most if not all fuel related issues I/v dealt with was the fuel itself. Ethanol being the major contributing factor. If you are convinced its the fuel line, swap it out with something different and see if the problem goes away.. The marine fuel lines are usually the best out there. I would also suggest trying fuel additive that combats the Ethanol. A link worth visiting. blog.jackssmallengines.com/2015/04/see-ethanol-damage-up-close/ |
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Post by 90GTVert on Oct 19, 2016 20:51:20 GMT -5
I have had much better results from genuine Tygon® hose than just buying some generic ripoff. I've purchased mine from McMaster-Carr (F-4040-A).
Regarding an easy cleaning method, if you happen to have access to an ultrasonic cleaner they can do a good job. I bought one for $60 from Harbor Freight 2-3 years ago and I have been pleased with it. I cleaned and cleaned and cleaned a weed wacker carb and could not get it working, but it ran well again after a few cycles in the ultrasonic cleaner.
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Post by humanshield on Oct 19, 2016 21:49:46 GMT -5
I bought a 50 foot roll of blue transparent fuel line last year and it's been absolutely perfect.
I forgot where I got it or what it's made of but it's holding up fantasmic.
If I can find the source I'll post it.
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Post by dan50 on Oct 19, 2016 22:53:55 GMT -5
The ethanol in the fuel not only gunks up the carb, fuel sending unit and fuel filter, it also eats up fuel lines if made of cheap material.
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Post by FrankenMech on Oct 20, 2016 1:52:35 GMT -5
Yeah, it is the ethanol, but more specifically the water dissolved in it or that it brings along with it that corrodes the metal carb parts. Green stuff from the brass and white stuff from the aluminum. 100% gas will help if it is dispensed into a 5 gallon container and then transferred to your scoot. 100% gas is hard or impossible to find in corn BS states. Google: "fuel water separator filter" Most of the filters are huge though. I don't know if they will pull the water dissolved in the ethanol out or just the free water. This one may work: www.walmart.com/ip/Moeller-Composite-Fuel-Filter-Clear-Bowl-Kit/20753310 |
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Post by kagetenshi on Oct 20, 2016 11:10:55 GMT -5
I bought the tygon fuel line I have at o'reilly auto parts. I would hope they aren't selling imitation as the real thing. It's been installed for around a year. The only reason I switched to tygon was because I noticed the standard line I was buying kept cracking. As for fuel additives, I use seafoam and Startron enzyme based water remover. Top dollar stuff for what they do. I'll look into an ultrasonic cleaner. I frequent Harbor Freight. You have to love those 20% off coupons.
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Post by gsx600racer on Oct 20, 2016 11:40:58 GMT -5
It would be hard to say if the fuel line was an imitation or not.
But...... I run StarTron as well but not Seafoam. Maybe the Seafoam might be whats causing the fuel line to fail.
Might be worth and getting a small cup and put some Seafoam in it with a piece of your fuel line and let it soak to see if anything happens. It wouldn't hurt to experiment.
Hopefully you get your problems sorted out.
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Post by 90GTVert on Oct 20, 2016 12:19:26 GMT -5
It would be hard to say if the fuel line was an imitation or not. This is how my 3/16" and 1/4" Tygon hoses are marked :  I don't recall such markings on the generic stuff I bought. I would expect a major player like O'Reilly to be selling the real deal though. |
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Post by ryan_ott on Oct 20, 2016 12:22:42 GMT -5
My fuel line preference is OEM Honda. My lines are original from '98 and still nice and flexible. Every piece of Honda equipment I've handled has usually had good fuel lines. I got a roll for my other bikes and I'm very happy with it. The tygon I've used tends to stiffen up. www.ebay.com/itm/191992283394 |
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Post by FrankenMech on Oct 20, 2016 23:13:01 GMT -5
I believe the clear fuel line my neighborhood O-Really sells is urethane tubing, not tygon.
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Post by kagetenshi on Oct 22, 2016 7:47:59 GMT -5
The line I have doesn't have any markings at all. Could be fake. Guess they condone false advertising at o'reillys. The box said tygon on it. I'll try soaking some of it in seafoam to see what happens. But I am really thinking of going with marine quality standard fuel line. Now to clean the carb. Ugh...
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