A Proper Pop-Off?
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  1. #1
    Top Dog jobrown's Avatar
    Join Date
    May 2009
    Location
    Little Rock, AR
    Age
    32
    Posts
    1,963

    A Proper Pop-Off?

    Iíve started fouling plugs in my x2 since the day I built it, always had a bit too much smoke at low speeds (in no wake zones) or when idling. Plugs would normally only last a couple tanks of gas before id have to clean them. Finally decided this week enough was enough and pulled the SBN 44 carb to see what was going on in there. The jets are 120 low 145 high, with a mariner head and Coffmanís exhaust (all running on an 86 x2)

    I decided to build a simple pop off gauge and see what was what, and boy it was a mess. Wouldnít hold any pressure, leaked like crazy! I got a new o ring and polished up the brass seat, at which point I realized this isnít a 2.0n/s itís a 2.3! After lots of cleaning and spring change outs I got this, and I shot it in slow mo to show the bit of leak I get before the pop. Itís not bad, and barely any air comes through before the pop at 20 psi. What do yíall think? This a good pop off?
    trim.F4AE9DB1-F1D4-4DDB-95C6-ECA8589C2AE1.MOV




  2. #2
    PWCToday.com Is My Home Away From Home john zigler's Avatar
    Join Date
    Mar 2003
    Location
    wisconsin
    Age
    53
    Posts
    9,394

    Re: A Proper Pop-Off?

    Needle and seats are wear items, they can/do go bad.... Why not just replace?
    RCJS also doing business as WATCON
    608-743-1305 9am to 5pm CST m-f
    email watcon@watcon.com

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    new parts / products / services www.watcon.com
    thank you

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