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How long can gas sit and still be good?


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#1 landlover

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Posted 21 June 2012 - 10:51 PM

Hi, have an 07 VFR that has not been started since November 2011, plan to get it going again in the next three weeks. Granted, regardless of what is said on here will try to see if it will run but was curious what you people think, how long is gas good for?
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#2 timmythesmalldickedsmurf

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Posted 21 June 2012 - 11:31 PM

todays gas can go bad in as little as a month.

Can I convince you to paint it flat black?

Just when we thought the Early VFR section was safe...


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#3 The mailman

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Posted 21 June 2012 - 11:43 PM

I have never had gas in my tank over a month but I've had gas sit in a lawn mower and a snow blower for about six months each on multiple occassions and they both fired right up and ran fine. (two cycle snow blower with oil mixed in, unleaded gas in the mower)
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#4 tbzep

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Posted 21 June 2012 - 11:46 PM

I have never had gas in my tank over a month but I've had gas sit in a lawn mower and a snow blower for about six months each on multiple occassions and they both fired right up and ran fine. (two cycle snow blower with oil mixed in, unleaded gas in the mower)

I've let the mower sit with gas in it over the winter once or twice. It didn't want to start at first, but I added some fresh gas to the old and it fired right up.

#5 Dutchy

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Posted 22 June 2012 - 02:29 AM

I've had bikes gassed up for months (NMB, Guzzi, Redslut( with no problem whatsoever.

Mayby Dutch gas differs from US recipes???






You can always try some banaple gas.............. :tongue:



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#6 Veefer800Canuck

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Posted 22 June 2012 - 04:02 AM

If it is stored in a relatively cool place, and the tank is full, the odds are better.

However, the greater worry is that the injectors are gummed up.
7 months may not do it, but there's only one way to tell.

Might not be a bad idea to dump a small bottle of fuel injector cleaner in the tank, then fire her up and take a good long ride. Put some fresh fuel in it as soon as possible.

I know it's too late for you now, but I always put Sta-Bil in everything that sits for the off season, bike, snowblower, lawnmower, etc.



We strongly recommend that you use only genuine Honda accessories that have been specifically designed and tested for your motorcycle. We strongly advise you not to remove any original equipment or modify your motorcycle in any way that would change its design or operation. Such changes could seriously impair your motorcycle’s handling, stability and braking, making it unsafe to ride.


#7 midlifeVFR

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Posted 22 June 2012 - 04:26 AM

todays gas can go bad in as little as a month.


+1..............it may run fine but old gas will cause damage. If one of my bikes is going to sit for more than 2 - 3 weeks, I put Stabil in it.

#8 daemontrym

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Posted 22 June 2012 - 06:13 AM

I think your fine just throw in an appropriate amount of your injector cleaner of choice, then get her going.

While deployed I used to unhook my battery and fill tank with stabil and I would have no issues a year later when I came back.

#9 timmythesmalldickedsmurf

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Posted 22 June 2012 - 06:25 AM

I will be using gas tteatment (not a big stabil fan) while I am in Europe for 3 weeks. To date the longest I have gone without riding my bike us 14 days (also in Europe). I can't tell you how many bad-gas carb jobs I have done in my life. It is nearing 4 digits.

Can I convince you to paint it flat black?

Just when we thought the Early VFR section was safe...


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#10 MBrane

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Posted 22 June 2012 - 10:51 PM

Fuel injection systems can handle sitting better than carbs since there's less fuel in the actual system to gum things up, but yeah today's ethanol mix fuels go bad in as little as a month. If it were me I'd drain as much fuel out as I could, and add some cleaner to the fresh fuel. It's better than cleaning carbs. For carbed bikes that sit it's best to drain all the fuel.




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