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  1. S

    Cannabalizm.. what to do

    Now that I have your complete attention.. :eek: <br /><br />As some of you might know from my posts I am building a 1973 115hp evinrude wich I have added bubble exhaust and the raised 140 intake manifold. something I overlooked was the added space in the front. My air box cover will not fit...
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    115 115393M wiring

    In doing some tests last night my rectifier is blown. No big deal but.. I don't think it's connnected properly. The red wire is connected to the first pin closest to the bow(pin 8). The yellow wires are connected to 6 and 5(to the 2 yellow wires coming from the stator.<br /><br />I looked up...
  3. S

    Calls for UL77V Can I use QL77JC4?

    I really don't want to use a surface gap plug. 1973 115hp 115393M Model #
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    Powerhead installation

    What is the easiest way to install the powerhead and lower cowling? As I remember this was a pain in the a$$ to get off let alone on. And... to make things worse.. I will need to not screw up any of the paint in the process.
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    Vernatherm and bypass diagram

    1973 evinrude 115hp. 115393M<br /><br />Does anyone have a mechanical diagram of the vernatherm and bypass assembly and could send it to my email.<br /><br />kismet@houston.rr.com<br /><br />Thanks in advance
  6. S

    Compression before seating rings and after

    HOw much of a change is there in compression once the rings seat?<br /><br />I have been building an evinrude 115hp 1973. I have the powerhead complete and am waiting on finishing up the transom mount stripping and painting. Got the motor on my workbench. It was starring at me... So I go to...
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    Reed blocks

    I have 2 set's of reed blocks. One set has a 140 stamped on the reed stops. These stops also have slots in them(vents?).. anyway.. this is on a 1973 evinrude 115. I also have a set of reeds that are from a 140, no vents, or slots in the stops on those. Is there any advantage to using the ones...
  8. S

    What is the recommended octane fuel for merc 125 2001

    anyone?
  9. S

    Cowling seal

    They no longer make a seal for my 1973 115 V4 evinrude. I have heard of weather stripping to do the job. Has anyone done this and what did you use? Also, what glue did you use to apply it?
  10. S

    Is an electric fuel primer expensive?

    If so, is there an alternative method?
  11. S

    to loc-tite or not to loc-tite, any answers

    I am re-building an outboard. Should I use loc-tite? I have replaced all the bolts with hardened socket head cap screws. Won't they vibrate out if I use never sieze?
  12. S

    High compression heads

    I am in a quandry.. I have the 1973 115. High compression heads(the highest there is). My machinist relieved them at the sides where the piston can come in contact. In trying to find a good head with no scratches or pits, I came up dry. Had one person contact me wanting 60$ for one. I then...
  13. S

    Upper Rod Bearings

    I've got a 1973 115. 115393M.<br /><br />I bought all new upper rod bearings and there not the same type as are in there. The old ones were caged with 1 slit in them. The new ones are oe part #395627. They have 2 flanged washers and 28 bearings. I installed them and there is side play so that...
  14. S

    RPM MAX/sneezing

    What is the Max RPM these motors(Johnrude v4<br />'s) can run?<br /><br />I was talking to someone who used to race them and was running 8800! <br /><br />Stock reeds will flutter at 6200?<br /><br />I have searched on sneezing here. Seems a lean condition at idle. My motor sneezes EVERY time it...
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    Vaccum

    I know I have asked this before, but I am gonna try again.<br /><br />Can I drill two holes in the manifold near the carburator for vaccum gauges to tune the motor(idle and off idle is the main concern)? Am I missing something here? I know there is vaccum there.. so.. seems only logical I can...
  16. S

    wellcraft 1975 fisherman 17'

    I don't have the plate on the back of the boat that tells weight and max motor capacity. Would anyone happen to know?
  17. S

    High compression heads/pistons

    my 1973 is supposed to have high compression heads and pistons. How can I tell if it still does? I am thinking someone had done this before to this motor.. they might have used lower compression pistons/heads.<br /><br />1973 115 115393M<br /><br />someone mentioned the top ring being a certian...
  18. S

    I think I need head

    I got one head on a V4 that took a beating. All kinds of gouges from little balls making there way from the bottom. I got out my dremel and started cleaning the gouges up. After about 15 minutes of this "cleaning", I put the head down and said "fawk it".<br /><br />I am having doubts using this...
  19. S

    vent hole=oil level

    you fill it from the bottom hole. Get a pump from wally world. 7.00. open vent screw(take out) and fill. when drips out top..it's full
  20. S

    Drive shaft Shimming(pinion gear shimming)

    I have been trying to get some assistance on the proper shimming of the lower unit.<br /><br />YEa, get the tool.. easy said.<br /><br />I have read alot of posts on this topic. Which if read and done will cause the gearcase to fail! I don't believe the shimming is to create as little end play...
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