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  1. Q

    Sealer 1000, Boat Armor replacement found

    In my Seloc they refer to Sealer 1000. I searched threads and my trail lead to some products that were no longer available. They stopped making Sealer 1000 a while ago. A replacement for this with the same properties is one of two sealers. Try Threebond 1194 formally 1104. 1104 had lead in...
  2. Q

    Shift Rod Seal replacement

    1983 75 HP Evinrude. I am replacing all the seals in the LU. Air was blowing through the drive shaft seal. I also noticed a small bubble coming from the shift rod every once in a while when I put 5 lbs of pressure in it. I took the upper drive shaft bearing housing off, and now have removed...
  3. Q

    water pump impeller rusted

    Evinrude 1983 75hp 3cyl I had a leak in the lower unit this past season. I removed the LU drained it, put ~ 10psi in it and submerged it. Air was coming out of the water pump port (only) that leads to the powerhead. So now I know where it is leaking Driveshaft seal housing either o-ring or oil...
  4. Q

    #3 cylindar has intermittent spark

    1983 75 HP Rude. I replaced the coil and spark plug wires. There is intermittent spark after about 15 min of running. I lift the hood and check things out, all looks ok then all of a sudden I have spark again. Whether or not I lift the hood. This happens at any throttle position. I am at a...
  5. Q

    Bolt grade question

    I am replacing a couple of bolts that sheared off. This attaches the powerhead to the mid section. They are 3.5 inchs long. The reason why they sheared off was because the other bolts were loose and the torque of the engine finally won. The question I have is that the bolts are grade 8 can I...
  6. Q

    #3 Cylinder no spark when hot

    1983 75 HP Rude I decided to post a new thread with a new title for this issue. I have been having this issue with this engine for a while now. At WOT the engine runs great for a short period of time then dies to 2100 rpm. I have found that the #3 cylinder has no spark when the engine heats...
  7. Q

    Evinrude 75 - 1983 WOT no power RPM ~ 2100

    I took my boat out for the first time with the new (1983) Rude 75. I rebuilt the carbs, all compression is good. Here is the story this time: BTW Thanks for all the help!!! I can sit at idle all day, with the engine in neutral I can increase the RPM to 6000 and maybe higher but why blow...
  8. Q

    Which Prop 75hp evinrude

    So I replaced my engine and had great advice in carb cleaning and driveshaft replacement from my friends here on this forum. This engine did not have a prop with it and I thought I would be able to use the Tohatsu Prop on it. Silly, it is never that easy is it. Now I need to figure out what...
  9. Q

    83 Evinrude 75 hp Tachometer set up

    I swapped engines from a Tohatsu M70A 2 stroke, 2 cylinder, to a 83 Rude 75hp. I want to know if I can use the tach from the Tohatsu on the Rude. There are two wires yellow and white coming off the Tach that used to go to the Tohatsu rectifier and magneto. Can I use this Tach which is labeled...
  10. Q

    How to measure length of outboard

    When they say it is a 15,20, 25" length outboard where are they getting that measurement from? Silly question but I can't seem to locate the answer.
  11. Q

    M70A years they made these

    Can anyone tell me what years the Tohatsu M70A was made? This is the 2 cyl 2 stroke. Can you point me to a site that will have the year of the motor by referencing the model or S/N
  12. Q

    83 Evinrude 75hp will not run without w/o choke

    I have a 1983 75hp Evinrude, 3 cylinder with type I carbs. Now the manual says type II but these are single throat. The issue, is that I can get her started, and it will idle, but once I advance the throttle (or warm up lever) to the start position or further, I have to continuously hit the...
  13. Q

    Drive shaft Evinrude 75hp 1983

    I have two lower units (large case) for this engine, One is blown out (freezing?) the other is newer in great shape. The problem is that when I was going to swap the lower units I found the top of the drive shaft spline pattern does not match. The old (damaged) LU has 4 splines set 90 deg...
  14. Q

    1975 Evenrude 85HP misfire??

    I have an 1975 Evinrude 85hp when at idle there seems to be a popping almost like one of the 4 cylinders is not getting good spark. I checked the compression and all 4 are at 115 lbs, checked the spark by pulling out the plug and watching as I pulled it away from the block, seems as if #2...
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