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04 sx230 rpm's at idle

Discussion in 'Yamaha AR230, SX230, SR230 and 232 Limited / S' started by Offroad, Dec 17, 2016.

  1. Offroad

    Offroad Member

    Messages:
    7
    Ratings:
    +11 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    SX
    Boat Length:
    23
    what is the correct rpm's at idle speed on an 04 sx230? My boat idles at 2k
     
  2. Bruce

    Bruce Jetboaters Fleet Admiral Staff Member Administrator

    Messages:
    10,977
    Location:
    Royal, AR
    Ratings:
    +10,682 / 95
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    SX
    Boat Length:
    23
    Idling at 2K does seem a little high to me.

    The Idle (Trolling) Speed should be documented on the Emission Control Information sticker which should be stuck to the control box (ECU) behind the engine. It may also be on the outside of the hood below the seat and or near the starter on the bottom of each engine on the left side.

    I did not find the specification in the owners or service manuals. It would be great if you could post once you find it.
     
  3. Bruce

    Bruce Jetboaters Fleet Admiral Staff Member Administrator

    Messages:
    10,977
    Location:
    Royal, AR
    Ratings:
    +10,682 / 95
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    SX
    Boat Length:
    23
    For later high output MR1 engines the the trolling speed is 1650 RPM plus or minus 50 RPM. So 1600 to 1700 RPM.

    I assume that at 2K you must have forward movement when the throttle is in the neutral position.
     
  4. Offroad

    Offroad Member

    Messages:
    7
    Ratings:
    +11 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    SX
    Boat Length:
    23
    Not sure on forward movement, just bought boat end of summer and didn't get a chance to take out. I will look for idle speed spec sticker tomorrow and post. I've also just ordered the yds software and cable.
     
    • Like Like x 1
  5. buckbuck

    buckbuck Jetboaters Admiral

    Messages:
    2,427
    Location:
    Illinois
    Ratings:
    +3,067 / 21
    Boat Make:
    Yamaha
    Year:
    2008
    Boat Model:
    X
    Boat Length:
    21
    You are looking for a sticker similar to this one.
    Welcome to the forum.
    IMG_2212.JPG
     
  6. Offroad

    Offroad Member

    Messages:
    7
    Ratings:
    +11 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    SX
    Boat Length:
    23
    This is the sticker on top my engine.
     

    Attached Files:

  7. Bruce

    Bruce Jetboaters Fleet Admiral Staff Member Administrator

    Messages:
    10,977
    Location:
    Royal, AR
    Ratings:
    +10,682 / 95
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    SX
    Boat Length:
    23
    Look for more. The owners manual shows you should have a sticker like buckbuck's.

    @Murf'n'surf, do you have HO engines? If not, do you know what your engines idle at?
     
  8. Murf'n'surf

    Murf'n'surf Jetboaters Admiral Staff Member Administrator

    Messages:
    6,036
    Location:
    Naples Florida
    Ratings:
    +4,416 / 33
    Boat Make:
    Yamaha
    Year:
    2005
    Boat Model:
    SX
    Boat Length:
    23
    I do not have HO motors.

    Unfortunately, I can't remember my idle speed.
     
  9. Offroad

    Offroad Member

    Messages:
    7
    Ratings:
    +11 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    SX
    Boat Length:
    23
    Just received yds. Do the engines have to be running to use software? I keep getting error message; pc and ecm not communicating
     
  10. Bruce

    Bruce Jetboaters Fleet Admiral Staff Member Administrator

    Messages:
    10,977
    Location:
    Royal, AR
    Ratings:
    +10,682 / 95
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    SX
    Boat Length:
    23
    @Julian, can you help here? I believe the key has to be on but the engines do not have to be running.
     
  11. Murf'n'surf

    Murf'n'surf Jetboaters Admiral Staff Member Administrator

    Messages:
    6,036
    Location:
    Naples Florida
    Ratings:
    +4,416 / 33
    Boat Make:
    Yamaha
    Year:
    2005
    Boat Model:
    SX
    Boat Length:
    23
    Try bumping the starter but not letting them start.
     
    • Like Like x 2
    • Agree Agree x 1
  12. Julian

    Julian Jetboaters Fleet Admiral Staff Member Administrator

    Messages:
    11,763
    Location:
    Raleigh, NC 27614
    Ratings:
    +8,911 / 126
    Boat Make:
    Yamaha
    Year:
    2016
    Boat Model:
    242X E-Series
    Boat Length:
    24
    • Like Like x 1
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  13. Offroad

    Offroad Member

    Messages:
    7
    Ratings:
    +11 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    SX
    Boat Length:
    23
    Thanks Julian,Bruce and Murf n surf for all your help. I was able to successfully pull information from both engines today. My hours were way off from one another; starboard 77.2hrs , port 183.6hrs. Time to do more research on boat thanks again
     
    Last edited: Dec 26, 2016
    • Like Like x 1
  14. buckbuck

    buckbuck Jetboaters Admiral

    Messages:
    2,427
    Location:
    Illinois
    Ratings:
    +3,067 / 21
    Boat Make:
    Yamaha
    Year:
    2008
    Boat Model:
    X
    Boat Length:
    21
    It is likely that the ECU has been changed on the one engine. Installing a new one starts the clock at zero.
    183 hours is very low for a boat that age.
     
    • Like Like x 1
  15. GMAN2015

    GMAN2015 Jet Boat Lover

    Messages:
    115
    Location:
    Greensboro NC
    Ratings:
    +121 / 4
    Boat Make:
    Yamaha
    Year:
    2005
    Boat Model:
    SX
    Boat Length:
    23
    I just pull the hours off my 05 SX230HO and both idled around 1450rpm from cold start.
     
    • Like Like x 1
  16. Stuntmanmike

    Stuntmanmike Member

    Messages:
    14
    Location:
    Crestview,Fl
    Ratings:
    +23 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    Other
    Boat Length:
    16
    Hello all, New to the forum. I'm a semi retired Marine and PWC mechanic. Just wanted to add my 2 cents worth on the YDS , It is very common for the "no communication" error to pop up and I have found that entering the off line service code look up first always works for me. And the engine does not have to be running to use it, just bump the starter and it will energize the power for atleast 30 seconds.
     
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  17. Stuntmanmike

    Stuntmanmike Member

    Messages:
    14
    Location:
    Crestview,Fl
    Ratings:
    +23 / 0
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    Other
    Boat Length:
    16
    1650 + - 50 rpms
     
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