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  1. J

    OMC tachometer won't work

    I just installed a NOS "classic series" OMC tachometer in my boat. It does not have the modular hookup, but it has 4 wires coming out of the unit. I hooked the purple up to the power source, the grey to the tachometer lead in my control box (1977 Power Pilot), black to a ground, and blue to...
  2. J

    New Motor Initial Idle Speed Adjustment

    I just got a chance to REALLY look at my 1985 Johnson 115 that was installed on my boat using the controls and cables from my 1977 Evinrude. I know that the OMC manual says to set the idle speed while in the water, but how do you get that INITIAL setting so that the motor will start and such...
  3. J

    Seafoam and VRO's

    I am planning the "Seafoam Shock Treatment" on my newly purchased 1985 Johnson 115. I have a separate gasoline tank that I'm going to use for the treatment. My question is whether the shock treatment will affect the internals of my VRO pump at all....may be a dumb question, but just want to...
  4. J

    Starting Procedure for VRO Motor

    What is the proper procedure for starting a motor with VRO? My old motor was pre-VRO and all I had to do was prime the fuel system, choke, and go. I've been told that I will need to squeeze the primer bulb on the VRO tank with my new motor before priming the fuel system. Is this the case? I...
  5. J

    Differences between VROs

    Were there any functional differences between VRO pumps back around 1992? I recently got my hands on a spare unit for my Johnson 115, but the OMC instructions say the kit was made for Loop Charged motors. As far as I can tell by looking at the pictures of the different Kits that OMC made...
  6. J

    Tire size question

    I have a 1977 Glastron 17' boat with a 115hp outboard. It is presently being towed on an (I'm assuming) original single axle Murray trailer. I need to replace some badly cupped tires, and am not sure which way to go. It has 20.5x8-10 tires on it right now. I need to tow it at highway speeds...
  7. J

    Trim gauge Necessary?

    I am installing a power tilt/trim motor on my boat, replacing an older manual tilt model. Do I need to install a trim gauge, or is there another way to "eyeball" the correct trim angle? Thanks, Joe
  8. J

    VRO Alcohol Resistance

    What year did OMC (if ever) begin to build VRO or VRO2 pumps that were alcohol resistant. I've heard conflicting things from the famous Bill Grannis article which says alcohol resistance was started with the VRO2 in 1986, and others that say only the latest (1993-present) pumps are alcohol...
  9. J

    Evinrude XD-50 oil

    Is it acceptable to use the mid range XD-50 oil in a carbureted VRO Johnson outboard? I like the idea of the carbon guards and the increased lubricity of this oil. Thanks
  10. J

    Difference Between New VRO's

    What is the difference between the 5004558 VRO and the 500559 VRO? Does one have a 3 wire connection and one have a 4 wire connection? I've been told that I need the 5004559 to replace my 3-wire VRO2 pump.
  11. J

    Warning Horn Compatibility

    If I want to use my 1977 control box with a 1985 VRO motor would I necessarily HAVE to replace the warning horn with a new one if everything is still functioning correctly? I'm just wanting to know if the older horns are capable of signaling the low oil or no oil from the VRO. Thanks, Joe
  12. J

    Controls for 1985 Johnson 115

    I recently bought an 85 Johnson 115 hp VRO motor to replace the 1977 Evinrude 85 hp I had on my boat. Do I need to replace my control box with a newer unit? Is there some sort of special hookup I should have for a buzzer for the VRO? I've never had a VRO motor before, and I want to make...
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