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fiberglass tank

Discussion in 'The Garage' started by crash, Sep 28, 2009.

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  1. crash

    crash XS650 Junkie

    we have a xs650 with a fiberglass or maybe plastic tank on it ,the problem we are having is if the bike sets more than acoulpe of weeks the gas seems to gel somewhat in the tank and gums the carbs up ,is this a reation with the gas and the stuff the tank is made of, if we start it up once a day no problems anyone have this happen before.thanks
     
  2. Travis

    Travis Staff Member XS650.com Supporter

    Never had it happen to me but I heard about it. It's the ethanol that they put in the gas that does it. You're going to have to find a new tank or a source of gasoline without ethanol.
     
  3. crash

    crash XS650 Junkie

    thanks will try and find another tank,i did nitice it alittle wet on the bottom thought it was just a seem leak but after reading that article now i think the gas is eating the tank again thanks mike
     
  4. crash

    crash XS650 Junkie

    changed to a steel tank awhile back dont seem to have any more problems with the fuel geling up ,thanks
     
  5. Travis

    Travis Staff Member XS650.com Supporter

    If you ever want to run a fiberglass tank again, I think some premium gasolines are advertised as not having ethanol. At least they are around here anyway. That might be a pain in the ass though always trying to find a gas station that has gas with no ethanol added every time you need to fill up. At least you don’t have to worry about it anymore with the steel tank. Now all you have to worry about is rust!
     
  6. crash

    crash XS650 Junkie

    yeh but i would rather worry about rust then having to take the carbs off all the time for cleaning or riding and the tank spring a leak all over me
     
  7. inxs

    inxs xx

    2,265
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    - the government here tells us there is insufficient ethanol in the fuel for it to be a problem...and they never lie

    - when it's all we can get then we will just have to live with it...
    - fibreglass tanks are ok if they are made from vinylester resin which is apparently fuel safe...
    - plastic is another story...
    - the only safe thing to do is drain the system if the bike is going to sit
     
  8. wronkatoys

    wronkatoys Winchester Wally

    I have a fiberglass tank on my Street Tracker. The ethanol in the gas is the problem. You can have your tank sealed . The Ethanol well leach the rosins in the glass in to your carb jets,valves and engine. I have been running leaded 100 octane race gas in my Street Tracker. Only cost $8 a gallon here in Texas :) The guy well only sell it 5 gallons at a time ,$40 for 5 gallons . I don't ride it a lot and buy the good gas.
     
    Last edited: Jun 9, 2010
  9. Trebor13

    Trebor13 XS650 Addict

    you can seal your tank whit Tank-cure,
    it;s a complete kit, decreaser and sealer,
    decrease your tank, put in the tank-cure, shake for 20 min orso and let it sit for 2 or 3 days.
    it als seals self welded tanks and stops little leaks. (or when there is some rust in the tank)
     
  10. wronkatoys

    wronkatoys Winchester Wally

    Thanks for the reply. I agree that works good for metal tanks. Por 15 is also very good for metal tanks. I got my tank from Omar 13 years ago when I built the Tracker. He is using a tank guard to reseal his fiberglass tanks with. I hate the crap that they are selling for gas. Ethanol also does not keep like the leaded gas did. It a real problem with boats that are not run for months at a time. The local boat shop here is covered up doing carb cleans.

    Anyone old enough on the list to remember 260 Sunoco gas? Used it in my race bikes back in the day.
     
  11. jefft

    jefft XS650 Junkie

    721
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    I am having trouble with one of Omars tanks now. Wanted money back but he insisted he could fix it with his "new coating". Its now been to him 3 times and today again I had blue gasoline when I drained the tank. White milky substance setting at bottom of container I drained gas into. Hmm, wonder what that could be? Also sticky slides in the carbs. I had to pay shipping each time. My advise would be to avoid those tanks. Either he don't coat them properly or I just got a lemon. No more fiberglass tanks for me. At this point I'm just hoping no engine damage. Robert is the new guy there and he don't seem to want to make it right either.
    Jtc
     
    Last edited: Oct 10, 2010
  12. gentlemanjim

    gentlemanjim More Wrenchin than Ridin

    You can get non ethanol gas from your local recreational airport.
     
  13. Travis

    Travis Staff Member XS650.com Supporter

    Around my area.. a lot of gas stations have premium gas that is ethanol free.. Regular and mid grade have 10% ethanol though. I feel bad you guys in states with 10% ethanol laws for all grades of gas.
     
  14. Kingwj

    Kingwj I know nothing, nothing!

    109 octane if my rapidly failing memory is correct.
     
  15. jamesgs4

    jamesgs4 fuck this, let's ride!

    That would be us poor saps in CO. :(
     

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