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    40 HP AT 6000 RPM

    1990 60 Hp Johnson VRO. 40 MPH at 6000 rpm's is this about right ?
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    60 HP MPH ?

    Gentlemen I have a 1990 60 HP Johnson<br />Compression is 116, 115,117<br />Stock prop<br />Has not been tuned in about 5 years<br />What is the max MPH I should be getting ? I am getting about 43 MPH.<br />How much more will a better prop get me ?<br /><br />Thanks
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    Air Silencer Hose/RPM's

    All maintenance complete thanks to this forum. Two more questions. When I shut off the motor my Air Silencer hose will dump about a little more than a thimble of fuel into the cover. Didn’t know where it was coming from until I removed the hose from cover (OK I forgot to connect it ) Also...
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    Plug choice

    1990 60hp VRO Johnson<br />If my VRO is disconnected do I use L77JC4 or QL77JC4 Spark plugs ?
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    Exact Premix

    Gentlemen I know some of you will not like this, but what are some of the tricks to exact premix? Has anyone used a turkey baster or large syringe. Also there is the issue of getting all of the measurement into the tank Tricks ? <br />I am kind of annal about this stuff.
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    VRO or premix

    What are the disadvantages of premix vs a VRO
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    1990 60hp VRO or not ???

    Gentlemen, DFI can not rebuild my VRO pump (3 wire) however they can sell me a new one (4 wire) Do I want to buy a VRO at 200.00. VRO or not. If I mix my own gas, don't I still need the pump ????? Thanks
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    Cylinder head removal

    1990 60hp Johnson VRO<br />3 questions<br />1. I would like to inspect my cylinder head gasket. Can I remove the head and leave the head cover and gasket intact with the head. I am looking in my manual and am concerned with what is called a Head screw (right side as looking at the spark...
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    Head gasket = Overheating ?

    Will a blown head gasket cause overheating ? What are the tourch spec's for the head bolts on a 1990 60hp Johnson. Is replacing the head gasket a easy job ? Thanks
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    1990 60hp temp stick

    1990 60hp Johnson VRO<br />Just replaced water pump (works good) replaced T-stat (looks alot different) upgraded tell tale and heat sensor. Used heat stick,no 163 degree to be found. I used a 150 heat stick, and melted in back of t-stat housing 175 did not. Overheating ? Using muffs at idle...
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    OVERHEATING ?????

    1990 60hp Johnson VRO<br />Just replaced water pump (works good) replaced T-stat (looks alot different) upgraded tell tale and heat sensor. Used heat stick,no 163 degree to be found. I used a 150 heat stick, and melted in back of t-stat housing 175 did not Overheating. Using muffs at idle...
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    Lower Unit Removal Problems

    1990 60hp Johnson<br />removed all bolts, 4 for lower unit, 2 for trim tab plus one sunk deep in tab and corrosion block bolt. Lower unit has came down about 1/2 inch and stoped. I don't see any shift wires (have not extended them) The problem seems to be in the forward part of the unit...
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    HEAD GASKET ???

    Could any of you gentlemen tell me the tell tale signs of a blown head gasket. Also on a 1990 60hp Johnson where are and how many heat sencors are there.
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    Compression Test

    1990 60hp Johnson: Preformed compression test, 117 in all three, is this good ? what should it be.
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    Overheating/VRO ??

    1990 60hp Johnson VRO<br />I will be replacing my water pump and T-stat in this motor. What about the other Overheating mods, sensor wire tattle tale routing ect. Where can I find the info on the mods ? After I complete the work, can I test the motor on the water muffs ? How long can I run the...
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    Overheating Mod's Help

    1990 60hp Johnson VRO<br />I will be replacing my water pump and T-stat in this motor. What about the other Overheating mods, sensor wire tattle tale routing ect. Where can I find the info on the mods ? After I complete the work, can I test the motor on the water muffs ? How long can I run...
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    Water Pump 1990 60hp

    Should I be able to switch a water pump on my 1900 60hp VRO Johnson. Anything I need to know any special tools/tricks ? What about switching the tattle tale and heat sensor wires, T stat and seat (upgrades) Thanks USMC
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    VRO/Overheating/Fuel Restriction ????????

    Gentlemen, here is the story, 2 yrs ago the S.L.O.W. was comming on, took it to the mech he said replace the VRO and that the motor was not overheating. I took it to another mech, he replaced the alarm, problem solved. Last week I could run the boat full out for about 15 min then I got a...
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