i have a 1964 merc 500 thunderbolt. has 120 psi on all 4 cylinders. was submerged drained and i took all percations and have been using it for the last two weeks almost daily but now in the last 3 days it lacks power. any ideas what it could be?
are 1978 johnson 70hp good engines? i could buy one running well on a rough seventies 14? fiberglass boat for 300$ but its missing a lower leg. is it worth it?
I bought a boat with a 1964 mercury 500 long shaft that had sat for 13 years, i took apart the magneto cleaned and reassembled. i rebuilt the two carbs and she fired up in a matter of seconds. i have played around with the carbs for about 4 hours now and cant get it to have a slow idle. the...