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  1. #1

    Default 92 force 70hp throttle valve ???

    My 70 hp outboard runs fine at start up and trolling for a while. Then I shut it down and it won't start, only way to start it is remove cowel and manually move the throttle valve then it starts right up. By the way I'm hoping im saying the right thing(throttle valve). I'm thinking it is a choke problem but I'm a little confused here. My carb doesn't seem to have a choke, and there is no linkage connected to throttle valve, How does it work?

  2. #2
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    3,086

    Default Re: 92 force 70hp throttle valve ???

    You don't have a choke you have an
    enricher/ primer.
    Does the same as a choke.

    I'm thinking the Throttle Valve is the
    enricher.
    How do you use the TV

    The key ,when you push it in activates a
    valve inside the enricher/ primer and it
    allows gas to feed into the throat of the
    intake manifold.
    There's a button on top the primer that
    when pushed in open the valve and fuel
    can flow.

    What rpm's at idle, in gear, in the water??

    Do you use the fast idle portion of your shifter?
    What shifter do you have?

    You can add pics after 5 posts or if you use
    a photo sharing site like photo bucket or shutter
    fly.
    PLEASE,NO PERSONAL MESSAGES IF THE QUESTION CAN BE ASKED ON THE OPEN FORUM
    88 Bayliner with 2002 225 HP Mercury
    Buy American made Cars and Trucks!!!Towing insurance,get it.
    In Scenic Beautiful Sebastian by the sea Florida

  3. #3

    Default Re: 92 force 70hp throttle valve ???

    Quote Originally Posted by Jerryjerry05 View Post
    You don't have a choke you have an
    enricher/ primer.
    Does the same as a choke.

    I'm thinking the Throttle Valve is the
    enricher.
    How do you use the TV

    The key ,when you push it in activates a
    valve inside the enricher/ primer and it
    allows gas to feed into the throat of the
    intake manifold.
    There's a button on top the primer that
    when pushed in open the valve and fuel
    can flow.

    What rpm's at idle, in gear, in the water??

    Do you use the fast idle portion of your shifter?
    What shifter do you have?

    You can add pics after 5 posts or if you use
    a photo sharing site like photo bucket or shutter
    fly.
    Thanks for the reply,I had boat in water yesterday so rpms at idle are around 800(according to my tach) Probably a little lower in gear. I don't use fast idle on shifter much, maybe I should? I'll check what shifter I have in a bit.
    Another thing I noticed is when I put shifter all the way forward, cam rolls forward but doesnt open throttle valve at all really. This is with engine off by the way.

  4. #4
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    3,086

    Default Re: 92 force 70hp throttle valve ???

    It needs to be 800 in gear.
    The fast idle helps on startup.

    Shifting when the motors off: it can damage the linkage.
    Spin the prop when shifting while the motors off.
    This releases the strain or pressure from the linkage.

    Look on the net for a procedure called a Link and Sync
    from FrankA he passed a few years ago but while here
    he was the best Force mechanic.
    It will help with the setup for the throttle roller and
    throttle cam.
    PLEASE,NO PERSONAL MESSAGES IF THE QUESTION CAN BE ASKED ON THE OPEN FORUM
    88 Bayliner with 2002 225 HP Mercury
    Buy American made Cars and Trucks!!!Towing insurance,get it.
    In Scenic Beautiful Sebastian by the sea Florida

  5. #5

    Default Re: 92 force 70hp throttle valve ???

    Quote Originally Posted by Jerryjerry05 View Post
    It needs to be 800 in gear.
    The fast idle helps on startup.

    Shifting when the motors off: it can damage the linkage.
    Spin the prop when shifting while the motors off.
    This releases the strain or pressure from the linkage.

    Look on the net for a procedure called a Link and Sync
    from FrankA he passed a few years ago but while here
    he was the best Force mechanic.
    It will help with the setup for the throttle roller and
    throttle cam.
    Thank you I will check that out.

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