WTB - 46 mm intake for 750 big pin

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  1. #1
    PWCToday Regular
    Join Date
    Jan 2008
    grand rapids, mi

    WTB - 46 mm intake for 750 big pin

    What the title says.

    Also - what exhaust manifold fits ? Does the little pin manifold fit on the big pin jug ?
    - '96 rn sj. 714 62t, b pipe, msd, dual 44's, r & d manifold, ADA head, pro-x pistons, lightened flywheel, UMI handlepole, worx ride plate, R&D intake grate, Scat trak 9-17.
    - '94 FX-1 701 61x , b pipe, msd ign enhancer, 44 sbn, SJ Tank, vortex f/a.
    - '91 701 61x sn sj. ac handlepole, R & D scoop and plate, 12/17 solas prop
    - '91 Sport Cruiser bone stock
    - '89 Wetbike 60 hp
    - '84 550, might become a coffee table

  2. #2
    Resident Guru sportsfreak29's Avatar
    Join Date
    Oct 2011
    Midland, Tx.

    Re: WTB - 46 mm intake for 750 big pin

    All the 650 and 750 exhaust manifolds have the same bolt pattern. It's the exit bore size and bolt pattern that's critical.

    You can also use the stock intake manifold, with an adapter plate, but you'll need to bore the manifold to match the adapter internal diameter.

    Check the Rhaas website.

    Last edited by sportsfreak29; 04-15-2019 at 03:04 PM.
    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!

  3. #3
    PWCToday.com Is My Home Away From Home john zigler's Avatar
    Join Date
    Mar 2003

    Re: WTB - 46 mm intake for 750 big pin

    RCJS also doing business as WATCON
    608-743-1305 9am to 5pm CST m-f
    email watcon@watcon.com

    Please visit our web sites

    new parts / products / services www.watcon.com
    used parts www.rockcountyjetski.webs.com
    thank you

    Please check out and like WATCON on Facebook

  4. #4
    Top Dog cman's Avatar
    Join Date
    May 2005
    i can see you

    Re: WTB - 46 mm intake for 750 big pin

    My friend has a R&D 46/48mm intake manifold with speed plate for 750/800 engines. I can put you in contact with him if you want. I believe he is selling it for $150 and it is in very nice condition.
    Last edited by cman; 04-16-2019 at 09:44 AM.
    Check out Poor Boy Racing on Facebook

    Need parts? Optima Racing is the place

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