can anybody help me i have recently bought a boat with a johnson 50 hp outbourd on it took it down to local river on sat it was 40 degrees water temp was 28 degrees was going fine the the overheat alarm went of slowed motor down to cool down but then when cooled down it wouldnt go on full throtle it sounded like one of the clynders had cut out but when i got boat home and washed out motor out it sounded like it was working properly,does this have a cut out switch to prevent damage.not sure what year motor but it is pre 2000 but after 1995 i think