I had posted a post on here about a problem with my 1971 100 h.p. outboard being stuck in forward. Its the electric push button shift. I checked my two wires that run into the exhaust housing with a ohms tester and they came back at 6 ohm's which i read mean't they were good. But I noticed alot of people on here saying that on these older elctric shift models to use a type C lower unit oil and I just checked what I used and it was regular 80/90w lower unit oil and not the type C. Could this be whats making it not shift out of gear? Any other ideas will help. Also I only ran the motor about 30 seconds since I put the regular 80/90w gea oil in it so if I change it back to the type C should it fix it or is my motor ruined? Thank you