Kawasaki 550 Factory Pipes, Half Pipe vs Full Pipe

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  1. #1
    I dream skis sportsfreak29's Avatar
    Join Date
    Oct 2011
    Midland, Tx.

    Kawasaki 550 Factory Pipes, Half Pipe vs Full Pipe

    I recently got a full pipe and have had a half pipe on my mod ski for a couple decades.

    Wondering what the performance difference is and what type of motor mods will see the best gains for each of these pipes??
    If you're not crashing, then you're not trying!!!

    Ski situation in limbo!

    Special thanks to Chris Newmiller, and Mitchell at M&M Marine!

  2. #2
    PWCToday.com Is My Home Away From Home fastgtfairlane's Avatar
    Join Date
    Apr 2010

    Re: Kawasaki 550 Factory Pipes, Half Pipe vs Full Pipe

    the half pipe will have a little more bottom end and the full pipe will have more midrange and top rpm power. if you set the ski up properly with the full pipe you can have pretty good bottom end too. i have a full pipe and love it with the ported 550 reed setup. that said, ive never gotten to try a reed half pipe setup though. put the pipe on and find out! my headpipe was polished. I ran dual cooling with one line going directly to the front of the pipe and had a flow control valve with a pisser. i had the top screw open 1/2 a turn, middle closed and there is a hole at the bottom as well that was not adjustable that i covered with epoxy putty. depending on water temps you might go 3/4 turn on the top. the middle screw on my pipe is stuck. if you wanted more top end, then close the top screw and leave the bottom hole open. the cooler water directly from the pump that isnt preheated through the engine first makes the screw adjustments more responsive as well as more water pressure through the pipe for better flow control valve adjustment as well.

    either pipe would work well on just about any engine combination just really depends on what you want the ski to do. more bottom end then go half pipe with 550 pump, more top end go full pipe 440 pump.
    Attached Images Attached Images
    Last edited by fastgtfairlane; 11-20-2017 at 06:20 PM.
    91 440; PJS Viper 7000, jetsport exhaust mani, factory full pipe, coffman waterbox,solas 17*, jetco worked 440 pump, ocean pro nozzles. shredmaster ocean rideplate and grate combo, wide tray, footholds, deep strake mod, driveshaft fill,650sx quick turn

    build thread part 1: http://www.pwctoday.com/showthread.php?t=331343
    build thread part 2: http://www.pwctoday.com/showthread.php?t=364872
    build thread part 3: http://www.pwctoday.com/showthread.php?t=396154

  3. #3
    Resident Guru eat wake's Avatar
    Join Date
    Jul 2007
    Portland, MI

    Re: Kawasaki 550 Factory Pipes, Half Pipe vs Full Pipe

    Iíve got a factory full pipe minus manifold I may consider letting go of.
    1995 Yamaha FX1, 144mm Pump, alum pole, TRUE FX1 B-Pipe, carbon chin pad, foot holds, hooker prop, etc, etc, etc.
    1982 Kawasaki 550- original

  4. #4
    PWCToday.com Is My Home Away From Home seadoobutch787's Avatar
    Join Date
    Mar 2005

    Re: Kawasaki 550 Factory Pipes, Half Pipe vs Full Pipe

    I ran a Coffman half pipe on my 550 and it rocked!
    1997 Seadoo SPX---limited mod
    1996 Seadoo GSX--Cruiser
    1995 Kawasaki 550/750sx---Conversion ski

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