Installing Coffman Pipe and flame arrestor on 93 X2
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  1. #1
    PWCToday Regular
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    Installing Coffman Pipe and flame arrestor on 93 X2

    I am going to be installing a Coffman pipe on my 93 x2 in short order. Outside the added cooling lines will I need anything special? Will a stock headpipe gasket work? I am also going to install a new flame arrestor as well. How much will these mess with the stock tuning of the carb?

  2. #2
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
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    Re: Installing Coffman Pipe and flame arrestor on 93 X2

    You should only have to open the hi speed adjuster about a 1/4 turn or so.
    Quote Originally Posted by Firebird A/C&Heating View Post
    OMG.....Rules for 550 vintage ski class...550 ski riders do not conform to any kind of rules. That is why you are riding a 550 ski in the first place. Rules suck....
    PS...the rule book will be in my 550 pump
    Quote Originally Posted by WB1994
    Listen , stop your cryin' , its only an X2.

  3. #3
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    Re: Installing Coffman Pipe and flame arrestor on 93 X2

    Thank you!!! Is a stock headpipe gasket ok? The hole is smaller than the opening on the pipe...

  4. #4
    PWCToday.com Is My Home Away From Home freekstyle's Avatar
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    Re: Installing Coffman Pipe and flame arrestor on 93 X2

    Unless you match the mani and the headpipe they will never be the same. Is your "stock" gasket metal or thick paper/fiber? If it is the thicker fiber bolt it on and rip it!

  5. #5
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    Re: Installing Coffman Pipe and flame arrestor on 93 X2

    Thank you! It’s thick fiber.

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