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Why does it take starting fluid if I haven't touch it in a 2 month


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That is incorrect info. Ethanol doesn't evaporate, it absorbs water and it is known for eating rubber of.shitty quality. So by usually good gaskets and orings, and storing the gas in a dry place, it will be fine.

 

Also with ethanol, you need to feed it more fuel and compression. It is the same as methanol.

"Phase seperation" is the term, but I didn't want to get to technical

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I have good luck running sta-bil marine formula fuel stabilizer. I also turn off the petcock with the bike idling and let it run the bowls dry if I know my bke is going to set for a while.

I would use extreme caution draining the carbs by letting the engine run the gas out. They can do what's called a "run away" very scary when your kill switch don't work, so you yank plug wires off and she still running wot and I mean WOT!

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How is the engine going to run away when it is out of gas? I have seen a buddys wheeler "run away" from an extreme lean idle condition, but never heard of an engine going into a high lean idle form running out of gas. 

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just drain the carb bowls  thats what that lil screw on the bottom is for...

 

stabul ( sta bil?) fuel treatment is great  there is an ethanol style out now it works well  i was also thinking of trying sea-foam in fuel to help stabilize it. sea-foam has a moisture absorber as well. 

 

our tanks are forever open to the air fuel in an open environment is going to evaporate.  gas just does that.  i can leave a gallon of fuel outside in a 5 gallon bucket and its totally gone my the next day.  the fuel evaps and all thats left is all the shitty additives and bullcrap in the fuel.  whats even worse is the carbs are open air also.  if you leave the petcock on well as that fuel evaps  new shittier fuel goes right back in to replace it.

 

all the time i get the locals bikes and 4 strokes in here they say they wont start or wont run at all after 3 months of sitting ( with full tanks and petcocks on..)  i have to clean the carbs and put in fresh fuel.   now i have had to do that for as long as i can rember way back in the 90's when i first got into this business i was cleaning carbs on street bikes for the same reason  and there was NO ethanol in the fuel at the time...  

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