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  1. I

    proper rise for outboard bracket

    I have been told 2 different numbers for the rise when using an outboard bracket. I have been told 1" and 1.5" for every 12" of setback withch is right I am ready to mount and am torn as what to do 25" shaft with 30" setback. thanks
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    powerhead seperation

    I have been trying to take powerhead off V-4 crossflow but without any luck I have reread the omc sevice manual over and over again. This is the first job of this size I've attempted I have used good deal of up pressure some beating and no heat.( the manual did leave out the disconnecting of...
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    OMC HP

    I have seadrives 1.6 liter (1985) I one with a flat exhaust cover and one with a bubble exhaust cover back. What would the difference be? Also when I look in the books it seems hp on the V4's range 100-140 with basicly the same bore and stroke, where is the different hp coming from compression...
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    compression test

    just wondering the effect on reading of not having throttle wide open?
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    twin power mismatch

    how much difference in hp is ok in twin Outboard setup? example: 110 one side 115 other, <br /> I have a powerhead to swap but might be 115 next to a 140 I don't know
  6. I

    what is this motor

    I have have v-4 omc cross flow's there are not any tags on motors all I have is serial numbers (R8544030, R8545777 on plugs in the head ( I think they are serial numbers) can anybody tell me year, HP or if I can look them up some where? thanks
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    does it damage vro if plugged to premix

    I have always had vro motors that were pluged and premixed. I now have a motor that is running vro and I am thinking of unhooking and pluging, but what I was wondering is will this destroy the vro oil pump? IF I decide to use it later.
  8. I

    seadrive's 1.6 thermostats and motor Id

    I have one head running hot and horn sounding, posts I have read lead me to believe stats the cause. how difficult to replace, how do I get to them? also I have seen a pair 1985 1.6 seadrives they have flat exhaust cover, mine (85 1.6)have a round exhaust cover are they both 115 hp? what is...
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