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  1. #1
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Question Help plz new in forum and pwc's

    I recently bought a 2009 yamaha sho 1.8 supercharged
    my cuestion is:
    Can i use the riva e1 without playing with the ecu and can you tell me some easy and helpfull mods for my jet without touching or changing the ecu thanks


  2. #2
    Hammy's Avatar
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    Hi,
    Getting a E1 wheel won't be the right choice if you want to stay with the the stock ecu (with a stock map obviously). The stock ECU will limit the maximum boost amount.

    Do you mostly do rough water, flat ??? What is the water temp ? Sea level ?

    Things to look for :
    -Air filter
    -Intake manifold ribond
    -free flow exhaust
    -intake grate
    -rideplate
    -sponsons
    -impeller

    Get your ECU reflashed or save (like me lol) for a MOTEC or a ViPEC. This is the only way go get all the power from your mods

  3. #3
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Man i live in miami here summer its super extra warm and hot, so if i re flash the ecu does the e1 will work and thanks for the mods, do you know any place to reflash the ecu ?

  4. #4
    FZS-T
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    R and D performance for $750 bucks!...they do a hell of a job!.

    http://www.4-tecperformance.com/inde...oducts_id=1371.

    Cheapest way to go if your looking to save some bucks

  5. #5
    FZS-T
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    Quote Originally Posted by 1_Fast_SHO View Post
    I recently bought a 2009 yamaha sho 1.8 supercharged
    my cuestion is:
    Can i use the riva e1 without playing with the ecu and can you tell me some easy and helpfull mods for my jet without touching or changing the ecu thanks

    I haven't used riva's charger wheel but the Etech wheel its a Sweet piece

  6. #6
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    I was just asking cuz i have the e1 at home but im scared to blow the engine installing the e1 without tuning or modding the ecu should i install it or reflash first ?

  7. #7
    FZS-T
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    You should definately reflash the ECU and also buy yourself an LC1 gauge too see where the A/F is at also stock I/C will not be efficient with the amount of boost running through it!. its restrictive as it is with stock boost!.

  8. #8
    hitman's Avatar
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    Welcome to the forum. If you want solid reliability I would think about maybe going with the B1 or C3 wheel instead of the E1. The E1 will push the stock injectors to their absolute max regardless of what ECU you're running.

  9. #9
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Completely stock ecu nothing have been done to the ski

  10. #10
    YamaSHO's Avatar
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    You can run the E1 on stock ECU, but not alone. you will need an IC w/ bov and a Fuel pressure regulator, and power shot along with with the stage one goodies, and some good pitching to the prop to keep you under the limiter, and might I add some good tuning as well. If you miss any of these you run the risk of completely messing up your motor. I have seen it done on various ski's down here. So yes, it is posible if you have all the other parts.

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