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Fullchoke132
MMT Member
Joined: Wed Feb 01, 2017 9:43 pm
Posts: 25
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 fuel question I have a 22hp 4 stroke longtail, and was wondering which fuel would be better.
Currently where i live i have access to regular pump 92 octane and ethanol free 87 octane. Knowing that the 92 oct would need additive and the 87 doesn't, but the ethanol free is only 87 octane, is one of these better than the other? meaning, which one do y'all recommend i use?
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| Fri Jun 02, 2017 7:05 pm |
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Johnny-O
MMT Pro Member
Joined: Fri May 24, 2013 2:46 pm
Posts: 242
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Re: fuel question 87 is fine unless you've modded the engine. If you have higher compression, you need the added octane.
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| Fri Jun 02, 2017 7:30 pm |
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Fullchoke132
MMT Member
Joined: Wed Feb 01, 2017 9:43 pm
Posts: 25
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Re: fuel question Okay cool. All I've done is open the jets a little bit.
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| Fri Jun 02, 2017 7:46 pm |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: fuel question All fuels use "clean burn" additives as per federal mandates...
Only Chevron uses liquid techron - most others use solid powder based additives...
If you buy a new Yamaha outboard they will tell you only run Chevron - nuf said !
I only run Chevron 93 in my MM - outboards - chainsaws -- lawnmowers - etc etc...
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Fri Jun 02, 2017 8:06 pm |
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Fullchoke132
MMT Member
Joined: Wed Feb 01, 2017 9:43 pm
Posts: 25
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Re: fuel question
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| Fri Jun 02, 2017 8:49 pm |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: fuel question Additives - no except Stabil marine at end of season where tank is built in...
Small portable tanks should be dumped if fuel is over a month old...
Gas is like milk - you don't drink old milk and adding new milk to old milk stills tastes bad...
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Fri Jun 02, 2017 9:39 pm |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4820
Location: West Monroe, LA
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Re: fuel question Seafoam.
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| Sat Jun 03, 2017 5:01 am |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am
Posts: 822
Location: Jefferson TX
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Re: fuel question Seafoam at least twice a year, fuel stabilizer if its gonna set up more than a couple weeks, close all fuel tank vents if possible, and always use non ethanol if at all possible.
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| Sat Jun 03, 2017 7:48 am |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: fuel question
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Sat Jun 03, 2017 9:31 am |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: fuel question Next fuel up - use a clean glass jar - fill it and put it on a shelf.... In a month go look for yourself at the white goo that drops out to the bottom of the jar..... Adding Stabil or seafoam will keep it from souring and changing colors but the white goo will still be there.... 
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Sat Jun 03, 2017 9:35 am |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm
Posts: 16915
Location: Rowlett, TX
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Re: fuel question *lien*
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| Sat Jun 03, 2017 9:35 am |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: fuel question LOL - dang auto spell
substitute "lean" for "lien"
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Sat Jun 03, 2017 9:40 am |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm
Posts: 2377
Location: West Coast Wisconsin
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Re: fuel question Guess they can't sell Yamahas in Wisconsin. There isn't any Chevrons around here.
A little Berryman B12 works a lot better than that overpriced Seafoam and straight Toluene is better yet for carb cleaning.
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| Sat Jun 03, 2017 6:46 pm |
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flint87
MMT 1000 Club
Joined: Sun Dec 14, 2014 2:21 pm
Posts: 3214
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Re: fuel question
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| Sun Jun 04, 2017 6:20 am |
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