Sta-bil vs Seafoam
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Road Master
Joined: Jun 2012
Posts: 1,012
Likes: 5
From: N.W. Illinois Stephenson County
Sta-bil vs Seafoam
I used to use Sta-bil brand fuel stabilizer when storing my bikes. But, I noticed that for the first one or two tanks of gas mileage suffered resulting in 20-30 miles less in range on a tank full. I have swiched to Seafoam brand and have noticed no drop in MPG's. Has anyone else experienced this?
Tourer
Joined: Sep 2011
Posts: 250
Likes: 0
From: Long Island
The seafoam will break up carbon but you need the stabil for long term storage of fuel.
And if you are stuck using ethanol in your gas, for storage it wouldn't hurt to add a splash of startron to your fuel.
And if you are stuck using ethanol in your gas, for storage it wouldn't hurt to add a splash of startron to your fuel.
Road Captain
Joined: Sep 2008
Posts: 727
Likes: 1
From: Silverdale, WA
Same here, mpg is less for that tank, but I have switched to marine Stabil (blue), it is labeled for use with ethanol treated fuels, and have had good results, ie no carb gumming or corrosion in bike, boat or power equipment fuel systems.
Outstanding HDF Member
Joined: Jul 2010
Posts: 2,727
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I used to use Sta-bil brand fuel stabilizer when storing my bikes. But, I noticed that for the first one or two tanks of gas mileage suffered resulting in 20-30 miles less in range on a tank full. I have swiched to Seafoam brand and have noticed no drop in MPG's. Has anyone else experienced this?
Cruiser
Joined: Jul 2011
Posts: 169
Likes: 13
From: Bay Area, CA
seafoam is a greater cleaner tool. used to clean your carbon build up, injectors, can clean up the crankcase as well as other items. It's not used in the same manner stabil is which is to stabilize the fuel during longer term storage. Seafoam would help in this regard, but not nearly as much.
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Stellar HDF Member
Joined: Aug 2012
Posts: 2,135
Likes: 1,872
From: Minnesota
I use seafoam in my boats during winter storage, especially in the fuel injected engines - just don't have a clue what impact it has on gas mileage 
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Joined: Feb 2007
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From: Spokane, WA.
Marine grade
It does the trick to make ethanol fuel not separate.
Used it last year in the Roadking, good to go.
Use it in my gas for law mower year round and from that can to mix 2 cycle oil for my Stihl products.