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  #1  
Old 1 Week Ago
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Default Lucas fuel stabiliser

Had ideas of storing my bike over winter so added some fuel stabiliser .. Job done but I have been trying to sort carb out earlier than I expected so have been taking it for short runs and starting it pretty regular..

Q is will this make any difference to me trying to sort fuel mixture out or am I ok ? And is it fine to simply ride with the stuff in ? Or should I drain and refill with fresh petrol..

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Default

Nah, just fill it and ride it into garage. Put some of that red fuel stabilizer in the tank & your good. I dont know if it happens where you are but, my fuel level goes down when it's been sitting for awhile not sure why.
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I've got a handful of cars and motorcycles that I put away every winter not to mention another 7 or 8 pieces of equipment ranging from my lawn tractor to my weedwackers, saws, etc. Each and every one gets filled up with fresh gas and fuel stabilizer and then thoroughly ran to burn off any moisture in the oil and get the stabilizer good and mixed in before getting put away. Come Spring time, they all get used as usual without draining any of the gas (unless see below). This is works fine all the way from my leaf blower up to my 500+ horsepower, 11:1+ compression cars. Now, if I was planning on running one of the cars at the drag strip or the road course directly after winter hibernation and didn't have the time to put enough miles on them to burn off the full tank of treated fuel, I would then drain the fuel for good measure given the torture that's about to ensue upon them. That fuel would then be put into my pickup or lawn tractor, etc.

Many of these products not only claim to stabilize the fuel but to clean out carb jets, etc. etc. Now, I can't say what they really do or not but the intention is to operate the vehicle with it in the fuel. If they are stabilizing the fuel as they claim then there's no reason to drain it, of course you can if you wanted to. If the bike was sitting for a year or two or more with gas and fuel stabilizer in it then personally I would drain the gas out of it but for seasonal storage it's no problem.

As for the fuel mixture part, any time I've ever had any of my vehicles dyno tuned I've been instructed to run whatever fresh gas I usually run with no additives of any kind. With that said, for your self-tuning I can't imagine the fuel stabilizer effecting things much if at all but I am not an authority on that so interested in what others have to say.
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Only thing I've noticed over the years is that running a fuel stabilizer seems to lower the octane enough to cause slight pinging. Here in North Dakota, when fall hits, I start using the fuel stabilizer in case I wake up to a few feet of snow and have to leave it parked for the rest of the winter.
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Quote:
Originally Posted by Toejam503 View Post
Only thing I've noticed over the years is that running a fuel stabilizer seems to lower the octane enough to cause slight pinging. Here in North Dakota, when fall hits, I start using the fuel stabilizer in case I wake up to a few feet of snow and have to leave it parked for the rest of the winter.
Out of curiosity, what stabilizer have you been using? And did you notice the pinging right away after adding it to the gas or after several months?

I’ve never had that happen, wondering if it was sta-bil because my one car that is 11.3:1 was a bitch to start come spring the two winters I used it. I’ve had good luck with both seafoam and startron but not so much the sta-bil. Maybe the sta-bil I used was old or something.
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Quote:
Originally Posted by TUCCI View Post
My fuel level goes down when it's been sitting for awhile not sure why.
Gasoline is extremely volatile, which basically means it evaporates easily and quickly. It's also extremely flammable, which is another issue.

John
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never use the stuff
the most i do is add some marvel to the system or run it dry with marvel in it. i never allow two cycle diaphragm carbs to sit with fuel as it will harden the material.
what is bad about sitting up a carb long term is moisture and fuel junk cannot get into air ways.
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+1 for Marvel Mystery Oil. Been adding it to the fuel sitting in my stuff off season for a great many yrs. My daily driver gets doses about twice yearly to clean the injectors.
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I use it in my air tools too. you know its good cuz its red.

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Quote:
Originally Posted by wrkdWS6 View Post
Out of curiosity, what stabilizer have you been using? And did you notice the pinging right away after adding it to the gas or after several months?

I’ve never had that happen, wondering if it was sta-bil because my one car that is 11.3:1 was a bitch to start come spring the two winters I used it. I’ve had good luck with both seafoam and startron but not so much the sta-bil. Maybe the sta-bil I used was old or something.
I've used both StaBil and Seafoam. I've tried, I think it was StarTron, and Lucas, but I still came up with the slight pinging once the engine reaches full operating temp. I usually use Seafoam because it doesn't seem to leave a residue in the carb. The pinging starts at operating temp right away. It's not real bad unless the outside temps are above 60F. Fresh tank of gas and it's gone.
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