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Old 07-13-2006, 04:48 PM   #1 (permalink)
DoppelgangerONE
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Default Rust In Gas Tank and Carb Issues...Advice??

(sorry about the double post...I wasn't sure which forum to put it in to get better responses)



Hey everyone. My bike had been running funny...seemed really rich, and then it flooded. Well, I went to the local shops, and one wanted $125 to clean the carbs, and one wanted almost $400 (riiiiight) to do it.

I decided to do it myself. When I got the float bowls off, there was some reddish brown goo in the bottom of them. I didn't know what it was, but the carb cleaner cleaned it right out. It was caked all over the screw thing on the bottom of the carb. I cleaned all 4 floats, and all of them were like that. When the goo started to dry on the pavement, I realized that it looked like rust...so I took a flashlight to my gas tank, and there are spots of rust in the tank.

Now, my bike does NOT have a fuel filter. Should I add one to help deal with the rust, or is there some other thing that I need to do?

Also, would this rust/varnish/goo in the carbs have been the problem with my bike running strangely? I cleaned that out, and when I sprayed the carb cleaner up through the needle it sprayed out in a fine mist really well. I don't THINK that the needles were clogged, but I'm not sure. I didn't take the carbs completely apart, because I'm not very well versed in carb maintenance/repair.

I'm gonna try riding it for a while, as right now it's idling/revving better than it has since I've had it. Before I got it, I think it sat for several years.

Last edited by DoppelgangerONE; 07-13-2006 at 04:50 PM.
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Old 07-13-2006, 04:54 PM   #2 (permalink)
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I also cleaned my carbs out and they had a bit of rust in the bottom. If your bike has no filter you might want to install one. Also, you can clean out and recoat the inside of the gas tank that will stop it from rusting more.
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Old 07-13-2006, 05:17 PM   #3 (permalink)
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you did the right thing by dumping out the bowls. i would suggest taking off your tank and cleaning the whole thing out with your favorite solvent (kerosene?) and discarding whatever you get out. was it full of chunks of rust, or was it just jellied gas? look inside your tank with a flashlight. if you have chunks of crap in there, there are methods of removing this stuff and recoating your tank. kreem and por-15 (or something like that) make products to do this adn recoat your tank. if you don't have big chunks of stuff, maybe just a little sediment and some surface rust, you should be ok with just installing inline fuel filters. these go on the fuel line between the petcock and your carbs, and will filter out small particles. also, if you only have surface rust in your tank, make sure you keep your tank full as it will help prevent new rust from forming and keep condensation to a minimum. it's also good to use that stuff that removes water from your gastank, as any condensation in your tank will sit at the bottom, and rust your tank where you can't even see it.
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Old 07-13-2006, 05:21 PM   #4 (permalink)
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Quote:
Originally Posted by apor
you did the right thing by dumping out the bowls. i would suggest taking off your tank and cleaning the whole thing out with your favorite solvent (kerosene?) and discarding whatever you get out. was it full of chunks of rust, or was it just jellied gas? look inside your tank with a flashlight. if you have chunks of crap in there, there are methods of removing this stuff and recoating your tank. kreem and por-15 (or something like that) make products to do this adn recoat your tank. if you don't have big chunks of stuff, maybe just a little sediment and some surface rust, you should be ok with just installing inline fuel filters. these go on the fuel line between the petcock and your carbs, and will filter out small particles. also, if you only have surface rust in your tank, make sure you keep your tank full as it will help prevent new rust from forming and keep condensation to a minimum. it's also good to use that stuff that removes water from your gastank, as any condensation in your tank will sit at the bottom, and rust your tank where you can't even see it.
apor

It appears to be just light spots of surface rust. The stuff in the bowls was more like a jelly goo, no like little chips of rust or anything. I wasn't even sure it was rust until I saw the dry rust color on my driveway after I was done.

I think I'm gonna go get a fuel filter tomorrow. Do you think just any small one from the auto parts store should work?
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Old 07-13-2006, 05:26 PM   #5 (permalink)
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buy 2 and keep one as a spare in a ziplock...if its that bad it will clog it in no time...
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Old 07-13-2006, 06:21 PM   #6 (permalink)
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Quote:
Originally Posted by DoppelgangerONE
It appears to be just light spots of surface rust. The stuff in the bowls was more like a jelly goo, no like little chips of rust or anything. I wasn't even sure it was rust until I saw the dry rust color on my driveway after I was done.

I think I'm gonna go get a fuel filter tomorrow. Do you think just any small one from the auto parts store should work?
jellied gas does turn kinda brown, so it may have been just that (lucky you?). when you get fuel filters, get the little clear ones that have inlet/outlet nozzles that'll fit your size fuel hose. matter of fact, take your old fuel line w/you and get new fuel lines while you're at it, then you can measure it all. if you do a search on "inline motorcycle fuel filters" in google, you should find some... here's kinda what you're looking for: http://www.jcwhitney.com/autoparts/B...+10211/c-10111

also, get some carb cleaner /water remover crap from the auto store. i have used "seefoam" brand with excellent results, though nothing takes the place of a good, thorough cleaning by hand if you want to be real sure about your results. i'd say rinse out the tank, get the filters, and see how it runs. carefully feel the exhaust headers to see if they're equally hot, see if it responds smoothly to throttle input etc. also, if this bike has been sitting, you should do a brake fluid flush, that stuff should be changed every three years or so, but nobody does it.

apor

Last edited by apor; 07-13-2006 at 06:23 PM.
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Old 07-13-2006, 06:46 PM   #7 (permalink)
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Kreem works very well at restoring a rusting tank. Buy the 3 step process of Kreem, install a fuel filter and clean those carbs. The bike should run like new again.
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Old 07-15-2006, 03:16 PM   #8 (permalink)
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Quote:
Originally Posted by apor
you did the right thing by dumping out the bowls. i would suggest taking off your tank and cleaning the whole thing out with your favorite solvent (kerosene?) and discarding whatever you get out. was it full of chunks of rust, or was it just jellied gas? look inside your tank with a flashlight. if you have chunks of crap in there, there are methods of removing this stuff and recoating your tank. kreem and por-15 (or something like that) make products to do this adn recoat your tank. if you don't have big chunks of stuff, maybe just a little sediment and some surface rust, you should be ok with just installing inline fuel filters. these go on the fuel line between the petcock and your carbs, and will filter out small particles. also, if you only have surface rust in your tank, make sure you keep your tank full as it will help prevent new rust from forming and keep condensation to a minimum. it's also good to use that stuff that removes water from your gastank, as any condensation in your tank will sit at the bottom, and rust your tank where you can't even see it.
apor
Get yourself 2 large bolts and a bottle of acetone. Filler up and shake the crap out of it and pour out the gas and the acetone. Then let it dry. Vent it well and fill it up with 1/2 gallon of gas , shake it up and dump it out.

IF YOU HAVE RUST IN YOUR TANK WHY THE HELL ARE YOU RUNNING IT WITHOUT A FILTER ARE YOU INSANE OR OBSESSED WITH POPPING OFF THE CARBS. . YOU ARE ASKING TO PLUG UP YOUR JETS
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Old 07-15-2006, 04:21 PM   #9 (permalink)
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Quote:
Originally Posted by StickItGraffix
IF YOU HAVE RUST IN YOUR TANK WHY THE HELL ARE YOU RUNNING IT WITHOUT A FILTER ARE YOU INSANE OR OBSESSED WITH POPPING OFF THE CARBS. . YOU ARE ASKING TO PLUG UP YOUR JETS
Calm down, this is the first time I ever had any idea that my tank had any rust in it...
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Old 07-15-2006, 11:19 PM   #10 (permalink)
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Quote:
Originally Posted by DoppelgangerONE
Calm down, this is the first time I ever had any idea that my tank had any rust in it...
Im not freakin out just trying to convey to you how important it is to keep the filter on it. If its dirty and you cant get another right away just clean it out the best you can and reinstall the old one . Unless there is no flow. Blow on it and ensure you dont get a restricted flow . But ANYTHING will work as long as it fits the ID snug. You can get a cheapo at auto zone or napa.
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Old 07-16-2006, 04:19 AM   #11 (permalink)
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I got some sediment/ floaties in mine. Tank looks pretty good. I'm thinking my filter needs to be replaced but would my carbs need to be cleaned too???
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Old 07-16-2006, 01:21 PM   #12 (permalink)
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Quote:
Originally Posted by CHERRYKAT600
I got some sediment/ floaties in mine. Tank looks pretty good. I'm thinking my filter needs to be replaced but would my carbs need to be cleaned too???
It really depends. Clean or change the filter first and see what happens...
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