550sx reed motor porting, where?
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  1. #1
    PWCToday Regular Lowflyin's Avatar
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    550sx reed motor porting, where?

    Whats up guys. Me and a buddy have 94 and 93 550sx reed motor skis and looking to get them ported over the winter time here. Anybody have recommendations where we can send our stuff for some mean work?

    Thanks!

    Sent from my LM-V350 using Tapatalk
    ~'94 550sx
    ~'09 Yz450
    ~'04 400ex
    ~'46 J-3 Piper Cub

  2. #2
    PWCToday Guru
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    Re: 550sx reed motor porting, where?

    Chris Newmiller of Newmiller Machine (screen name here is MCN6). Have built 2 fully ported piston ports, and a fully case/cylinder ported 550 reed for me. Incredible work, priced extremely competitive...and the power is well, awesome.

    Many others will vouch for his work.

  3. #3
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
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    Re: 550sx reed motor porting, where?

    I second on Newmiller Machine. Excellent work, highly recommended by many.
    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.

  4. #4
    PWCToday.com Is My Home Away From Home
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    Re: 550sx reed motor porting, where?

    group k is a very safe bet.been around forever and their builds last,there's also jr,php,erik brigham who are all top notch engine builders that actually have the know how ,experience and trophies to back it up.unlike some self proclaimed machinist in the northwest!
    and remember,you get what you pay for in this hobby

  5. #5
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
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    Re: 550sx reed motor porting, where?

    There are a few #1 plates made possible by Newmiller Machine. That being said the motor is only a part of the winning puzzle.
    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.

  6. #6
    Resident Guru sportsfreak29's Avatar
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    Re: 550sx reed motor porting, where?

    Newmiller does the best work I’ve ever seen.

    He builds reliable engines with lots of power, and will last a long time.
    If you're not crashing, then you're not trying!!!

    '90 650sx, full mod with all the bells and whistles.
    '84 JS550/650 pump swap with PJS Viper engine.
    '93 550sx with a 650sx motor and Rhass pump kit.
    '81 JS440, full mod 550 PP motor. '
    '93 300sx/750 SP BOB.

    Special thanks to Chris Newmiller, the guys at Prowatercraft Racing, Rhaas Products, and Mitchell at M&M Marine!

  7. #7

    Re: 550sx reed motor porting, where?

    + 1 for newmiller

  8. #8
    PWCToday Regular Lowflyin's Avatar
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    Re: 550sx reed motor porting, where?

    Well I think I know who theyre getting sent to, thanks everyone !

    Sent from my LM-V350 using Tapatalk
    ~'94 550sx
    ~'09 Yz450
    ~'04 400ex
    ~'46 J-3 Piper Cub

  9. #9
    Top Dog mx595's Avatar
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    Re: 550sx reed motor porting, where?

    Tim at ZForce Racing does amazing work, and will build a custom package that works for you.


    Sent from my iPhone using Tapatalk
    DIALED IN BY Z-FORCE RACING
    www.zforcemotorsports.com

    I own a few skis that I ride a few times a year...

  10. #10
    PWCToday.com Is My Home Away From Home mcn6's Avatar
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    Re: 550sx reed motor porting, where?

    I don't think he likes me very much

    I think Eric is a good engine builder too btw and Group-K has been around since JC was a carpenter...

    Quote Originally Posted by restosud View Post
    group k is a very safe bet.been around forever and their builds last,there's also jr,php,erik brigham who are all top notch engine builders that actually have the know how ,experience and trophies to back it up.unlike some self proclaimed machinist in the northwest!
    and remember,you get what you pay for in this hobby



    Home of Newmiller Machine

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