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  1. #1
    snake4345's Avatar
    Join Date
    Mar 2009

    tested new mods today...what's next?

    just got the gen2 wheel, riva air intake, worx grate, and solas 14/19 on today. went straight to the lake...only ran 70 according to the speedometer i dont have a gps. rpms were between 8050-8100. i was expecting a little more. im going to fill the ride plate holes in the morning and see if that helps any. im looking for 75mph now.....suggestions on the parts i need to get there or suggestions to help me a little more on what i have now...thanks in advance

  2. #2
    Banned User
    Join Date
    Aug 2007
    Reading PA
    well is it a 14/19 or a 15/20 and also u are going over 70 i bet now but ur speedo wont show it, u need a GPS.

  3. #3
    DaveC's Avatar
    Join Date
    Jun 2007
    Central Oklahoma
    The first thing you need is a GPS. It is almost impossible to be able to determine if you are making progress without a GPS and a boost gauge.

    When I was using the Riva Stg. 1 kit and the Rotax Racing impeller (very similar to the Riva Gen 2) my best speed was 74.4 with the rideplate holes plugged. Several members have had similar results and some slightly faster.

    You have similar parts as the Riva Stg. 1 kit, but I have not used the Worx intake grate.

  4. #4
    snake4345's Avatar
    Join Date
    Mar 2009
    its a 14/19 that my dealer picthed up a little...he tested my boat last night and gpsed at 70. ill try to get one this week and retest. ive read the mod database on here and people with simular set up are at 73-75. 70 just seems too low. but then again he may have been wrong.

  5. #5
    sportster's Avatar
    Join Date
    May 2006
    St.Albert, Alberta, Canada
    my speedo went to 70 when it was stock & 70 when it was modified & stops. you need a gps to get true speeds.

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