Thread: decarbing

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  1. #1
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    decarbing

    i am going to use sea foam,how much do i use and do you spray it straight into the carburators,WHAT IS THE BEST WAY TO DECARD

  2. SC Club Moderator ChampioNman's Avatar
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    #2

    Re: decarbing (crider5)

    Don't know we only recommend BRP engine tuner here. .

  3. Member
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    #3

    Re: decarbing (crider5)

    If you're going to spray, you need to use the Deep Creep version of Seafoam. It's the same stuff but in a spray bottle.

    If you use Seafoam, mix it with one gallon of gas and feed your motor. Shoot, I can't give good directions, so use the BRP stuff and follow the instructions on the can.

    If you really want to use Seafoam it's best to ask Dunk. He's the Seafoam king when it comes to decarbing with it. The problem is that he's not on this board but on a bunch of other boards like WMI or Floridasportsman.

    I've been using the OMC/BRP stuff to decarb with and use Seafoam as a preventative in the gas, much like you would use Carb-X. This was on my carbed Evinrude. On my DI's, I haven't done anything with it yet because I just broke 20 hrs on it last year before winter storage and the dealer took care of winterizing it.

    - Dae


  4. Sprint Boats Moderator Bassmeister's Avatar
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    #4

    Re: decarbing (Dae)

    If it's an Evinrude or Johnson ........ Why not use their products????? Just makes sense!!! JMHO!

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    #5

    Re: decarbing (Bassmeister)

    i couldnt find it so i got sea foam, is the sea foam not any good,and would this be a good way to decard
    use either Sea Foam or Engine Tuner by Bombardier to de-carb my engines. No, I don't just pour it in to the tank. I remove the carburetor or injector air intake cover, start the engine and spray into each carb or throttle body until the can is empty. Run the engine only at idle or fast idle, but not over 900 RPM while spraying into the cavities. Toward the end I'm trying to flood the engine out (V6 engine). As soon as the engine either floods out or dies, I shut it down.
    I remove the plugs and spray a can into the cylinders and turn the engine over by hand to be sure the solution has saturated in, behind, and under the rings. Then I put the plugs back in (but don't tighten), tilt the engine horizontal so the solution sits on top of the pistons. I put the cowling back on and let it sit overnight.

    The next day I remove the cowling and spark plugs. I use an air compressor to blow the solution out of each cylinder and turn the engine over again about 10 times by hand, not with the starter. Then I put all the plugs back in (and index the plugs--only mandatory on Bombardier's Evinrude FICHT engines and for racing engines or high-performance injected engines.).

    Next I either launch the boat (recommended), or put it on the hose, and start it. Keep your hand on the key because the engine will want to over-rev and burn off the excess solution. If it over-rev's, shut her down and re-start her again. You may have to shut her down sometimes up to three times before you burn off all the solution. If the boat is in the water, just start her and put her in gear and the prop will give enough resistance so the engine won't over-rev as it would if she were in neutral.


  6. SC Club Moderator ChampioNman's Avatar
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    #6

    Re: decarbing (crider5)

    Well there you go, sounds like you got it down pat. Have fun and just don't let it get away from you on the muffs or it'll be a code 57 and $250 to reset it .

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