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  1. J

    Starter compatibility question on 1968 evinrude 18hp

    Does anyone know of the starter part number 377633 is compatible with a 1968 evinrude 18 hp model number 18802m? The listed part number for the starter is 383908 or 377953. One of the three legs where the starter bolts down broke yesterday. One of them has broke before and been welded back...
  2. J

    Proper knot for tying to a metal loop on the dock?

    The dock at the marina I use has metal rings to tie off to instead of cleats. What is the proper knot to tie off to those rings? I've never actually tied off there before until a couple days ago to get some lunch, but after finding out how good the food is at the restaurant is I have a feeling...
  3. J

    Size of highspeed jet in 1968 evinrude 18 hp fastwin

    Does anyone know the diameter of the hole in the highspeed jet of a 1968 18 hp fastwin?
  4. J

    Very low power from 1968 evirude 18 hp

    The drama with this motor continues. I finally got to take it out on the water today after doing a ton of work on it. One of the things I did was rebuild the fuel pump because it was fouling plugs really bad due to extra gas getting into the motor from a bad diaphragm. The crazy part is, now...
  5. J

    1968 evinrude 18 hp throttle timing question

    Re: 1968 evinrude 18 hp throttle timing question I am back home, and I checked the linkage you pointed out, but it does not adjust. Where the rod from the roller comes through that bracket it has a flat spot on it and there is a matching flat spot on the bracket. The rod can not be adjusted...
  6. J

    Random carb question on 1968 18 hp evinrude

    When I recently rebuilt the carb on my 1968 evinrude, I saw that it had a rubber tipped float needle, but did not have the spring, and didn't even have a groove for one on it. It looked just like the picture I've saw of the factory all metal needles but with a rubber tip. I was curious if...
  7. J

    how much scotch weld on skeg

    Re: how much scotch weld on skeg Here is some information that was given to me by hightrim when working on what I thought was a 1968 18 hp (turned out it was really most likely a 71 lower unit, but I would think this information would be pretty universal for the older motors) There was...
  8. J

    Which Way Should the Impellor ribs "curl"?

    Re: Which Way Should the Impellor ribs "curl"? The shaft turns clockwise looking down from the top. Here is a picture of my pump removed from the motor.
  9. J

    1968 evinrude 18 hp throttle timing question

    Re: 1968 evinrude 18 hp throttle timing question I'm out of town for the week, so I'm basically going by memory and one picture I happened to have on my computer. and naturally that part is covered by a bracket in the picture. If i'm looking at the diagram right, and remembering the carb on...
  10. J

    1968 evinrude 18 hp throttle timing question

    When I tried to adjust the throttle timing, even with the cam plate adjusted as far back as it will go, the butterfly still starts to open before the roller is between the marks. Are there any other places to make adjustments to help this? The only adjustment I've heard talked about is moving...
  11. J

    1968 evinrude 18 hp rpm questions

    I finally got my motor up and running again (I'll finish the lower seal kit replacement thread a little later today probably, can't find my adapter to put my memory card from my phone in the computer right now) and I have a couple of questions now that I have my tiny tac installed. What rpm...
  12. J

    Armature plate wobble on 1968 evinrude 18 hp

    I noticed today my armature plate has some side to side wiggle to it. I finally noticed it as a result of ordering a coil ring from Frank. I checked my coils with it, and I noticed they were set in a little too far. After I set them out with the ring, I noticed they were sitting flush with...
  13. J

    Thermostat change questions 1968 evinrude 18hp

    I am putting a new thermostat in my 1968 evinrude 18 hp. I figured as cheap as it was, and since so many of the other parts in this motor seemed to have never been replaced, it couldn't hurt. I have two questions about the install. First, do I put anything on the new gasket for the cover...
  14. J

    Replacing lower seal kit 1968 evinrude fastwin 18 hp

    Re: Replacing lower seal kit 1968 evinrude fastwin 18 hp To remove the shift rod bushing, flip the lower over, put the removal tool into the hole, and drive it out. Here is a picture showing the location of the shift rod bushing, and the tool from Frank in it for removal. Picture of the...
  15. J

    1968 evinrude 18hp deflector behind fuel pump?

    I was looking over a parts diagram of my motor tonight, and I noticed there is a "deflector" part number 303680 shown between the fuel pump and the bypass cover. My motor does not have that part on it. What is the purpose of that part, and what problems could come from not having it?
  16. J

    Replacing lower seal kit 1968 evinrude fastwin 18 hp

    Re: Replacing lower seal kit 1968 evinrude fastwin 18 hp I clamped the assembly in the workmate to hold it while I pulled the seal. If anyone has a better way of doing that feel free to comment, because it was a little bit awkward doing it that way. This picture shows the old seal removed...
  17. J

    Replacing lower seal kit 1968 evinrude fastwin 18 hp

    Re: Replacing lower seal kit 1968 evinrude fastwin 18 hp After removing the prop, the screws holding the skeg on need to be removed. Before fully removing all of those stand the lower unit back up before removing the skeg, so that nothing falls out when you separate the skeg from the rest of...
  18. J

    Replacing lower seal kit 1968 evinrude fastwin 18 hp

    Re: Replacing lower seal kit 1968 evinrude fastwin 18 hp The next step is removing the water pump housing. There are three screws holding the housing on. After removing those screws, the housing and drive shaft can be removed from the lower unit, along with the wear plate for the impeller...
  19. J

    Replacing lower seal kit 1968 evinrude fastwin 18 hp

    ****EDIT**** After reading a few very informative posts by oldcatamount, F_R_, and kfa4303 I found out that this is not a 1968 lower unit. It appears to be a 1971 from what I can tell. The main difference being that the 68 does not have the detent spring and balls I mentioned under the clutch...
  20. J

    1968 Evinrude 18hp fouling bottom plug

    I have a 1968 Evinrude 18hp fastwin, that keeps fouling the bottom plug. It doesn't take but about five minutes of running with new plugs in for the lower plug to be COVERED in carbon. The top plug is fine. I have replace the coils, points, condensers, and plug wires so far and its still...
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