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  1. 07-21-2018, 05:03 PM #1
    Mopar1979
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    98' JOHNson 200 motor what RPM is it suppose to run at? Water pressure?

    I just bought a 1999 Aries 200XTE bad boat with a 98' Johnson and cannot get the speed I want but I know the jackplate is not high enough ... set around 4" below boat. The highest we have had the motor RPM is around 5500 at 50mph with 20psi water pressure. When going around 37mph the water pressure dropped off to 10 to 12psi at 4500 to 5000rpm . Does anyone have specs in this motor and what should the water pressure be and optimal RPM for this motor?
    thanks,
    shawn
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  2. tdt91
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    #2 07-21-2018, 05:16 PM
    What prop is on it ?
    2000 Javelin Renegade 20 DC.
    Strong men create easy times, Easy times create weak men & weak men create hard times. Sheikh Rashid bin Saeed Al Maktoum
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  3. Bassmeister
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    #3 07-21-2018, 05:18 PM
    5800 rpms and no less than 18-20 lbs @ wot.
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  4. Mopar1979
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    #4 07-21-2018, 06:03 PM
    It has a renegade bass prop 13 1/2" 23 degree prop
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  5. tdt91
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    #5 07-21-2018, 07:59 PM
    You should be able to spin it faster than that. Check to make sure you are getting full throttle. Butterflies open up completely? Sounds like there will be a lot of testing & checking ahead for you.
    2000 Javelin Renegade 20 DC.
    Strong men create easy times, Easy times create weak men & weak men create hard times. Sheikh Rashid bin Saeed Al Maktoum
    In 1944 18-20 year old's stormed beaches, and parachuted behind enemy lines to almost certain death.
    In 2015 18-20 year old's need safe zones so people don't hurt their feelings. "Author Unknown"
    In 2021 18-40 year old's want to and work to cancel you out if you have a different opinion.
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  6. ChampioNman
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    #6 07-22-2018, 08:28 AM
    Operating range is 5000-6000 RPM. You should set it up to run at 5800 RPM and no less than 18 PSI at wide open throttle.
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  7. Mopar1979
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    #7 07-25-2018, 06:39 AM
    What is the proper throttle linkage adjustment procedure on this motor? Does anyone have a manual I could buy to help me with the adjustments?
    shawn
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  8. ChampioNman
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    #8 07-25-2018, 07:15 AM
    click this link it is a factory service manual you can download for around $15.00 https://www.selffixer.com/outboard.m...ual.520212.htm
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