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

    Dual sxr mikuni 40mm carbs on 750sx.. Jetting?

    I've had 550's and 650's for almost 30 years but totally new to the 750 motors.

    I've got a set of dual sxr carbs for a '92 small pin 750sx motor thats going into a650sx with a Factory Pipe 750 Limited exhaust.

    I'm at about 2000 feet elevation but may be going down the the gulf occasionally.

    What N/S, L/H jet and pop off should I setup the carbs with??
    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
    Resident Guru bored&stroked's Avatar
    Join Date
    Dec 2006
    Mesa AZ

    Re: Dual sxr mikuni 40mm carbs on 750sx.. Jetting?

    I had that setup but with a PJS 650 pipe at whatever altitude phoenix is at and I think I was around 70/145 on jetting.
    '90 Superjet: ported 760, dual 44's, B pipe, ADA head 190psi, TDR waterbox, hooker 10-16, sponsons. Wife's ride
    '94 Suuuperjet: 84mm 61x, ported, protec pipe, H2o designs waterbox, Newmiller head 175psi w/girdle, protec ride plate, Protec mod'd cdi, UMI grate, RN pole -4", rev footholds, solas prop, sweet green turf+wrap.
    '95 Raider 701: Fiberglass not SMC, Hydrotrailer hitch, ugly purple and yellow everywhere.

  3. #3
    PWCToday.com Is My Home Away From Home Rushford_Ripper's Avatar
    Join Date
    Dec 2009

    Re: Dual sxr mikuni 40mm carbs on 750sx.. Jetting?

    I am slightly above sea level and running a sxr with only a wetpipe and lightened flywheel jetted at:

    152.5 main
    80 pilot
    stock N/S
    stock spring

    Hope this helps for a base line idea

  4. #4
    PWCToday.com Is My Home Away From Home wielgot's Avatar
    Join Date
    Jul 2011

    Re: Dual sxr mikuni 40mm carbs on 750sx.. Jetting?

    750 ported with factory pipe,40mm sbni

    1.5 n/'s
    Prok filters
    IL Jet Riders Member #2

    95 X2 650
    92 Jetmate ported 750 factory pipe
    92 SC 750
    93 Blaster stk
    93 Blaster Mod

    Paypal= jwielgot@gmail.com

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