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  1. #1
    ph2ocraft's Avatar
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    RPM's of a 93 SL750

    Brain Fart and I'm heading to the water, any ideas???


  2. #2
    cheatin' piston popper addicted's Avatar
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    my book says 6500.

  3. #3
    ph2ocraft's Avatar
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    Thanks, I hate when I can't remember. Ugggghhhhhh

  4. #4
    SeaLion's Avatar
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    I want to say 6700 rpm but am not positive. I definitely know that the stock cdi had a rev limiter of 7200 rpm. The 93 SL750 had the dry pipe on it.

  5. #5
    cheatin' piston popper addicted's Avatar
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    In my clymer book it has max hp at 6500. That's where the # came from. Your probasbly right about the 7000+ rev limit

  6. #6
    Bing-A-Ding-Ding-Ding, Brrrrrap! Brrrrrrrrrap!!! Polaris_Nut#1's Avatar
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    Is this the 750 with the Pro CDI in it by chance??? If so please report back inquiring minds would like to know.......LOL

  7. #7
    SeaLion's Avatar
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    Yes it is ph2o's 93 SL750 with Pro cdi.

  8. #8
    Bing-A-Ding-Ding-Ding, Brrrrrap! Brrrrrrrrrap!!! Polaris_Nut#1's Avatar
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    Then definitely report back pronto! Might be totally different than the book now. HUMMMM?

  9. #9
    SeaLion's Avatar
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    He also has the newer larger pump and I think it is the extended one. I have no idea what impeller Al is running so there are quite a few variables that have changed form the stock 93 SL750 specs. I would like to hear it ran great at 6700 to 6800 rpm. Man he is going to love the bottom end from the Pro cdi's advanced timing. Assuming it is propped correctly and the carbs dialed in.

  10. #10
    ph2ocraft's Avatar
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    I'm actually just running my base numbers now and I'm trying to figure which impeller is going to net me roughly 6800 RPM. The little Fuji has a trued and welded crank so the RPM's don't bother me, I'm looking for some ported cylinders as we speak.
    The CDI does honk and I'm running 92 Octane with no detonation at this time. Piston wash is a bit on the rich side but I'm comfortable with that.
    I cleaned up the PRO carbs and I'll toss them on when I'm back from Havasu. So I'll have speed and RPM numbers for the following

    Stock 750
    750 with big mouth pump
    750 with big mouth pump and PRO785 CDI
    750 with big mouth pump, PRO785 CDI and PRO 785 carbs
    750 with big mouth pump, PRO785 CDI, PRO785 carbs and ported cylinders
    750 with big mouth pump, PRO 785 CDI and carbs, Ported cylindres and triple pipes.
    Impellers along the way should be interesting. RANDY, need a little help Buddy!!!!

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