Search results

  1. K

    Compression on 1979 Merc. 115HP

    My neighbor wants to trade his 1979 115HP Mercury for a 75 HP Chrysler that I have that is in very good shape. His Motor has factory power trim and tilt. I ran a compression check and dry they read from top to bottom 90# 110# 100# 100# 75# 100# I added a few squirts of oil to each Cy. and that...
  2. K

    Coils Arcing

    I was checking for a misfire on my 1975 75HP Evinrude. I did this in the dark to see if there was any arcing. the only time I could see any was when I would pull a plug wire off. Doing this caused a lot of arcing around 2 of the coils. (looks neat at night). The 3rd coil didn't do this. Why does...
  3. K

    75HP Water Intake Screen

    75HP Water Intake Screen Once again I turn to the expert advise on the forum. You guys have saved me so much time, work and money. I thank you all. I am putting a new water pump in my 1975 75hp Rude. I thought while it was apart I would change the old beat up water intake screen. The drive...
  4. K

    Water Outlet Drill bit size??

    I am going to put a water outlet in the exhaust manifold cover on my 1975--75HP Rude. What size drill bit do I use for 1/8 pipe tap threads? My chart says use a size "R" which means nothing to me. Or maybe I should use a different kind of fitting? You guys are so knowledgeable, so knew this was...
  5. K

    Wards Sea King Oil

    I have a Wards Sea King 7.5hp With Clinton motor.<br />Year--????<br />Model# K7515106B<br />Serial# 1511084<br />Type# XTV50575B<br />On the front it says to mix 3oz of SAE 30 OIL per gallon of gas. Can this mean just plain auto oil? If so will both Detergent and non-detergent work. I know that...
  6. K

    1975 Evinrude 75hp numbers

    I recently purchased a boat with a 1975 75hp Evinrude "Hustler" motor. Model# 75543-B Serial# J0001198 I was wondering if the -B in the model is something special as I havn't seen it in any of the numbers I have looked up. It seems to be a nice low hour motor. Anyone have a any coments on it...
Top