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  1. #1
    Member
    Join Date
    May 2006
    Location
    Houston
    Posts
    17

    Decarbing a 1990 XP-200

    Hi all newbie here on the board!! I have been reading posts for abot 9-10 months just never had any tech questions (untill now), but I have learned alot from ya'll.
    My Question I have a can of OMC Engine tuner and the correct fitting to attach it to on my primer solenoid (a schrader type of fitting). What is the correct procedure to decarb my 1990 XP-200 Looper. How should I run it after doing the decarb? any tips and tricks to make it easier and better etc. Thanks in advance.
    RedBoat

  2. SC Club Moderator ChampioNman's Avatar
    Join Date
    May 2004
    Location
    Crawfordville, FL/Lake Hartwell, SC
    Posts
    72,119
    #2

    Re: Decarbing a 1990 XP-200 (RedBoat)

    Hey Redboat,
    Welcome to the boards, Run your motor up to temp on the engine muffs, (do it off of a concrete driveway), screw in the tuner tube and blast away. Enjoy a frosty cold drink of your flavor and empty the can of tuner. If the motor doesn't stall but sounds like it is bogging shut it down and turn off the H20 flow. Come back in the AM and turn on the H20 and fire it up to an idle of 1500 RPM's and run for about 20 mins. Change the plugs and drive it like you stole it. keep the old plugs for a spare set for the next time you de-carb. CM

  3. Member
    Join Date
    May 2006
    Location
    Houston
    Posts
    17
    #3

    Re: Decarbing a 1990 XP-200 (ChampioNman)

    Thanks for the welcome. When I hook up the can do I just hit the button and hold it down, or do I just keep giving it short blasts. I did a search on this but came up with diffrent opinions (and a bunch on Yammys & and them black motors ) some say dont use the valve an shoot it down the carb throats?

    ----------------------------
    1988 Checkmate Exciter
    1990 Evinrude XP-200

  4. Member
    Join Date
    Apr 2006
    Location
    ofallon
    Posts
    202
    #4

    Re: Decarbing a 1990 XP-200 (RedBoat)

    try to hold down and let off when she tries to shut off on you. make sure all the windows and doors to your house are closed, it's hard to get the smeel out!
    dale
    Dale McCurry

    Javelin 389T
    Johnson 150

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