650sx with SBN44 Mikuni primer routing?
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  1. #1
    PWCToday Newbie
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    650sx with SBN44 Mikuni primer routing?

    I just put an SBN44 on my ski but there appears to be a primer input barb at the top of the carb just below the intake opening with a roughly 1/8 barb, much smaller than the others. I think it's a primer fitting but I can't figure out where to run it?

    I've tried searching and that's the only reason I think it's a primer really, but couldn't find an answer where to run it.

    Thank you!

  2. #2
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    Re: 650sx with SBN44 Mikuni primer routing?

    Post a picture so we can see exactly what you are describing.

  3. #3
    Top Dog bandit88's Avatar
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    Re: 650sx with SBN44 Mikuni primer routing?

    Yes that is for the primer. Your ski will need a primer push plunger or bulb installed to use it. Most install that in place of the choke switch. you will need to T the primer line from the main supply line, then run that to your primer plunger or bulb then run a line from that to the carb. Best to go on watcon or ebay and pick up the kit that has all the pieces you need.
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  4. #4
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    Re: 650sx with SBN44 Mikuni primer routing?

    Don't try to run/start it with the fitting open.
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  5. #5
    PWCToday Newbie
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    Re: 650sx with SBN44 Mikuni primer routing?

    Quote Originally Posted by bandit88 View Post
    Yes that is for the primer. Your ski will need a primer push plunger or bulb installed to use it. Most install that in place of the choke switch. you will need to T the primer line from the main supply line, then run that to your primer plunger or bulb then run a line from that to the carb. Best to go on watcon or ebay and pick up the kit that has all the pieces you need.

    Figured as much but was hoping for a different answer. Was hoping to get it going without more parts.

    Thank you


    Now onto the pipe.

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