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Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust Problems, advice and/or how tos for Sporster and Buell motorcycle carburators, Electronic Fuel Injection (EFI), Air Intake, Fuel and Exhaust.

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  #11  
Old 3 Weeks Ago
BKB's Avatar
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I've used Stabil for years in the mowers, weed whackers & Laura's bike. (1200L) Never had a fuel related problem with any of them after winter storage, 4 months or so, usually.
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  #12  
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I run mostly Shell V-Power gasoline with Top Tier levels of detergents.
(with the latest Shell addition of "friction modifiers" my mufflers have taken on a brownish tint instead of black/grey)
I occasionally run Red Line SI 1 fuel system cleaner at 1 oz per gallon, maybe once a year.

I use Stabil for the winter time, even though I usually ride at least once every month.
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  #13  
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I treat the gas for 4 vehicles as well as my lawn tractor, chainsaws, leaf blower, weedwackers, etc. every winter for storage until spring. I've used stabil, startron and seafoam over the years. I inherited a shit load of stabil so I use it in my lawn equipment but it's my least favorite of the three. Anytime I've put stabil in my one car for winter storage, I've had a tough time starting it in the spring. The motor is 11.3:1 compression so perhaps stabil doesn't work well in high compression motors, perhaps it doesn't stabilize fuel as well as they claim or maybe I got myself a bad batch once or twice. Either way I refuse to put it in anything but my lawn equipment. I've yet to have an issue with startron or seafoam in any of the cars or bikes that I own so I prefer those.
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  #14  
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I switched from Stabil to Seafoam back in the '90's after I had a 4 carb bike get one of the carbs plugged by a hardened chunk of Stabil in the main jet. I had to drill it out. The bike had sat for 2 years tho. I've been using Seafoam ever since. There are a lot of products on the market that deal with ethanol, StarTron is the most familiar. VP Racing "madditive" with Ethanol Shield is an "up&coming" product that may be worth a look.
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1 reason I don't run ethanol.
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  #16  
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Quote:
Originally Posted by 60Gunner View Post
1 reason I don't run ethanol.
I wish I could too, but in all it's 'wisdom' the Euro guys in Brussels decided to put 10% of that crap in all gasoline available since october 2019. At first it was 5%.
I know it shouldn't hurt Harley's built after 1980, but for storage you don't want that. I've seen some good suggestions, StarTron is also here (Holland) available.
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  #17  
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Quote:
Originally Posted by Toejam503 View Post
I switched from Stabil to Seafoam back in the '90's after I had a 4 carb bike get one of the carbs plugged by a hardened chunk of Stabil in the main jet. I had to drill it out. The bike had sat for 2 years tho. I've been using Seafoam ever since. There are a lot of products on the market that deal with ethanol, StarTron is the most familiar. VP Racing "madditive" with Ethanol Shield is an "up&coming" product that may be worth a look.
Thanks for the StarTron advice. What's the percentage of alcohol in gas is in the US? Does it vary per state perhaps?
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Anywhere from 0 to 10% and I live in the #1 ethanol producing state in the country. Still no problems finding pure gas.
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Quote:
Originally Posted by NLXL View Post
Thanks for the StarTron advice. What's the percentage of alcohol in gas is in the US? Does it vary per state perhaps?
THEY SAY it's 10% in my state but sometimes I feel they don't regulate it very well. For a while(circa 2008), Minnesota and Illinois were trying 15% but I'm not sure if they still do this or not. I have seen gas pumps with disclaimers that say the non-ethanol gas may contain up to 5% ethanol (SD and WYO)
I watched "Jay Leno's Garage" and he did a segment on VP fuel products and made the claim that the ethanol in California's gas deteriorates in 2 months or less.
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  #20  
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Quote:
Originally Posted by Toejam503 View Post
THEY SAY it's 10% in my state but sometimes I feel they don't regulate it very well. For a while(circa 2008), Minnesota and Illinois were trying 15% but I'm not sure if they still do this or not. I have seen gas pumps with disclaimers that say the non-ethanol gas may contain up to 5% ethanol (SD and WYO)
I watched "Jay Leno's Garage" and he did a segment on VP fuel products and made the claim that the ethanol in California's gas deteriorates in 2 months or less.
Thanks Toejam. About the same here, 5% was considered 'non-ethanol'.
In our neighboring country Germany, gas stations that sell E10 (10%) are also required to offer E5 (5%), so that older cars that are not suitable for E10 can also refuel. In the Netherlands this is not the case and you see more and more the E5 disappearing at gas stations. You really have to search for such a gas station and if you find one then you also pay 8 €-cents/liter more.
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