Search results

  1. L

    1973 40 HP Compression

    Do you think the cylinder walls are too far gone for honing to fix? How would I tell if they need to be bored out? What looks so bad about these? Just trying to learn, thanks!
  2. L

    1973 40 HP Compression

    Here are some pictures of the cylinders. I will work on getting the bottom end apart sometime this week. I didn't notice any scoring on the cylinder walls, but I will take a closer look tomorrow. I did notice I was able to wiggle both pistons very little when it was TDC, is this normal? I...
  3. L

    1973 40 HP Compression

    Here are some pictures from the bypass covers. Not sure how clean these are supposed to be but the crank appears to have a good amount of rust on it.
  4. L

    1973 40 HP Compression

    I will take a look at the piston and rings and give an update. Thank you. Where would I look to get new pistons? The only place I can find them is on ebay. Are these still manufactured?
  5. L

    1973 40 HP Compression

    This is my first post, so please forgive me if this is posted incorrectly. Model: 40354D 1973 40hp Evinrude Norseman. What kind of compression is acceptable for this motor? I measured 80 psi on both cylinders. Motor has been sitting for at least 5 years. I have seen answers ranging from 75...
Top