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'18 242x E and surfpoint not all it should be

Discussion in 'Yamaha AR240, SX240, 242 Limited / S / X/ E-Series' started by jacoviii, Jul 23, 2018.

  1. jacoviii

    jacoviii Well-Known Member

    Messages:
    18
    Ratings:
    +1 / 0
    Boat Make:
    Yamaha
    Year:
    1998
    Boat Model:
    Exciter
    Boat Length:
    16
    On the '18 242x e with the surfpoint the nozzles are aligned toed in. They slightly point in towards each other at about 12* angle. So as you turn one nozzle will be at a 24* angle where the other is at 0*. It feels like it has no power in the turns. Also only seeing 43mph but did see 46mph on glass 4 ppl and full of gas. I'm coming from a '98 Exciter 270hp. Next year I plan on playing around with the aliment and see how it might change the handling
     
  2. Tms1224

    Tms1224 New Member

    Messages:
    4
    Ratings:
    +0 / 0
    Boat Make:
    Yamaha
    Year:
    2018
    Boat Model:
    242 Limited E-Series
    Boat Length:
    24
    Wow that’s low mph! I have a 18 242E best I’ve hit is 50 mph. Is the 43 mph with full ballast bags ? ..
     
    Last edited: Jul 26, 2018
  3. NORCAL-GAS

    NORCAL-GAS Member

    Messages:
    91
    Ratings:
    +56 / 2
    Boat Make:
    Yamaha
    Year:
    2018
    Boat Model:
    242X E-Series
    Boat Length:
    24
    i hit 48 new, yesterday i was only able to get 45..... lately only 45. the 242x seems to be a bit pig-ish...but...45 aint a pig. more like a turbo bacon. i think the 242x should get a few more mph...
     
  4. jacoviii

    jacoviii Well-Known Member

    Messages:
    18
    Ratings:
    +1 / 0
    Boat Make:
    Yamaha
    Year:
    1998
    Boat Model:
    Exciter
    Boat Length:
    16
    Nope no ballast full fuel and 4 adults
     
  5. Ronnie

    Ronnie Jetboaters Admiral

    Messages:
    4,692
    Location:
    SF Bay Area
    Ratings:
    +3,577 / 62
    Boat Make:
    Yamaha
    Year:
    2010
    Boat Model:
    Limited S
    Boat Length:
    24
    If you are boating at altitude (I.e., a mile or so up), expect to lose 10 mph on the top end acceleration is noticeably slower as well compared to performance at sea level.
     
    • Agree Agree x 1
  6. Tms1224

    Tms1224 New Member

    Messages:
    4
    Ratings:
    +0 / 0
    Boat Make:
    Yamaha
    Year:
    2018
    Boat Model:
    242 Limited E-Series
    Boat Length:
    24
    Do you trailer the boat or keep docked ? The reason I ask is there seems to be all kinds of ways these boats take on water, have you pulled the drain plug lately ?.. maybe you have an extra load of water you’ve been carrying around.
     
  7. Mohamed Z Sherif

    Mohamed Z Sherif Member

    Messages:
    49
    Location:
    Long Island NY
    Ratings:
    +18 / 1
    Boat Make:
    Yamaha
    Year:
    2018
    Boat Model:
    X
    Boat Length:
    24
    18 242x also didn't get full speed mid 40s. boat should give me another 5 mph easy and I'm not in high altitude
     
  8. Mainah

    Mainah Jetboaters Captain

    Messages:
    2,157
    Location:
    Chapin, SC
    Ratings:
    +2,586 / 19
    Boat Make:
    Yamaha
    Year:
    2016
    Boat Model:
    Limited S
    Boat Length:
    24
    Temperature and humidity have big impacts as well. At 60 degrees and less than 50 percent humidity I get 50 mph. At 90 degrees and 70 percent humidity 47 is it all else being equal.
     
    • Like Like x 1
    • Agree Agree x 1

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