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  1. #11
    Join Date
    Jul 2014
    Location
    Scotland
    Posts
    1,726

    Default Re: Fuel storage / treatment

    Stabil has been recommended to me.

  2. #12

    Default Re: Fuel storage / treatment

    Quote Originally Posted by Mrtrout View Post
    Just ordered this, same as the Honda one but 2 less delivered.
    Briggs and Stratton Fuel Fit 250ml 992381 Additive Fresh to 3 Years Stabilizer 798256131028 | eBay
    S.

    - - - Updated - - -



    15% Ethanol in modern petrol apparently Jim?
    S.
    Think 5% is normal for now, going to 10% later this year, 15% maybe later.

  3. #13

    Default Re: Fuel storage / treatment

    Thanks for all the info and suggestions. Had a look also at what they do in US where numbers are much bigger. Plan now is: fit additional filter with water separator, use Stabil each fill, at end of season run (fuel injected) motor dry. Fingers crossed.

  4. #14

    Default Re: Fuel storage / treatment

    Quote Originally Posted by skyeman1 View Post
    Thanks for all the info and suggestions. Had a look also at what they do in US where numbers are much bigger. Plan now is: fit additional filter with water separator, use Stabil each fill, at end of season run (fuel injected) motor dry. Fingers crossed.
    Don't burn your fuel pump out.....it is lubricated by the fuel. I ran out of fuel on the bike (BMW Fuel Injected twin) the fuel pump fuse blew before I could pull in to the side. I was on a B road, so not going fast. The fuel pump died despite the fuse blowing.
    Last edited by Tailing Loop; 04-06-2019 at 04:48 PM.

  5. #15

    Default Re: Fuel storage / treatment

    Quote Originally Posted by Tailing Loop View Post
    Don't burn your fuel pump out.....it is lubricated by the fuel. I ran out of fuel on the bike (BMW Fuel Injected twin) the fuel pump fuse blew before I could pull in to the side. I was on a B road, so not going fast. The fuel pump died despite the fuse blowing.
    Good point, thanks. Think I need to think it out again! Before season end.

  6. #16

    Default Re: Fuel storage / treatment

    Quote Originally Posted by skyeman1 View Post
    Good point, thanks. Think I need to think it out again! Before season end.
    As an afterthought. What outboard is it? Do you have a manual, or can you look up what the manufacturer suggests is the 'laying up procedure' - normally to squirt a preserving oil (in Mercury/Mariner case they have their own) into the air intake until it stalls. Treat thge remaining fuel in the tank with fue stabiliser (also in mercury labelled bottle - but actually reasonable price) and spray the engine with Corrossion Guard on the outside. then for recommissioning, take plugs out, turn engine over, put plugs in and fire up but allow to idle for a minute or two before engaging gear and putting under load. My engine is carburetted though, and dates back to 1982, but the system is the same or very similr, and with motorcycles although there you can turn the fuel off and allow the carbs to run dry, to prevent gumming up / varnishing. Suggested to FILL the petrol tank of a motorcycle for lay up, to prevent condensation forming in the tank, which creates rust spots inside. Where it is filled, it is protected from O2 and water contact. The same would go fo rbuilt in tanks - if you have a portable plastic one, just empty it, use the fuel up as best you can before you come ashore for the last time. the last litre ort so, chuck in the car/lawnmower/chainsaw(with oil mix) whatever could make use of it. That way you have no need to stabilise any fuel at all.

  7. #17

    Default Re: Fuel storage / treatment

    Quote Originally Posted by Tailing Loop View Post
    As an afterthought. What outboard is it? Do you have a manual, or can you look up what the manufacturer suggests is the 'laying up procedure' - normally to squirt a preserving oil (in Mercury/Mariner case they have their own) into the air intake until it stalls. Treat thge remaining fuel in the tank with fue stabiliser (also in mercury labelled bottle - but actually reasonable price) and spray the engine with Corrossion Guard on the outside. then for recommissioning, take plugs out, turn engine over, put plugs in and fire up but allow to idle for a minute or two before engaging gear and putting under load. My engine is carburetted though, and dates back to 1982, but the system is the same or very similr, and with motorcycles although there you can turn the fuel off and allow the carbs to run dry, to prevent gumming up / varnishing. Suggested to FILL the petrol tank of a motorcycle for lay up, to prevent condensation forming in the tank, which creates rust spots inside. Where it is filled, it is protected from O2 and water contact. The same would go fo rbuilt in tanks - if you have a portable plastic one, just empty it, use the fuel up as best you can before you come ashore for the last time. the last litre ort so, chuck in the car/lawnmower/chainsaw(with oil mix) whatever could make use of it. That way you have no need to stabilise any fuel at all.
    Thanks for that, it's a Honda BF50, that's 4st multi-point efi. Their suggested laying up procedures are not adequate. I do have engine experience and follow a process including gearbox oil, lub oil/filter change, fogging oil in cyls (careful, lamda sensors may not like too much) etc etc. My concern is more the increasing ethanol content and the potential problems of extended storage. Your comment about the fuel pump risk when running dry is one I hadn't considered, but should have. I think now the best bet is Stabil Storage fuel additive for the fuel which will remain in the system over winter. Hopefully that will minimise any water absorption or injector lacquering. Remaining tank fuel will as always be used the following year in mower, strimmer etc., any problems with that will be on dry land so not so worrying!

  8. #18

    Default Re: Fuel storage / treatment

    Quote Originally Posted by skyeman1 View Post
    Thanks for that, it's a Honda BF50, that's 4st multi-point efi. Their suggested laying up procedures are not adequate. I do have engine experience and follow a process including gearbox oil, lub oil/filter change, fogging oil in cyls (careful, lamda sensors may not like too much) etc etc. My concern is more the increasing ethanol content and the potential problems of extended storage. Your comment about the fuel pump risk when running dry is one I hadn't considered, but should have. I think now the best bet is Stabil Storage fuel additive for the fuel which will remain in the system over winter. Hopefully that will minimise any water absorption or injector lacquering. Remaining tank fuel will as always be used the following year in mower, strimmer etc., any problems with that will be on dry land so not so worrying!
    Bullet proof! I did a feature on a commercial operator using one for a small passenger ferry (Powerboat & RIB magazine). It had over 15,000 hours on it and had only needed service items!

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