If it ain't broke tweak it a little....
Yamah 2006 25ESH had history of electric starting issue when bought used 3 months ago. Found corroded ground wire on his boat when motor was removed/sold. Ran new 6 ga tinned wire from battery 10' to motor and brand new battery. Motor cranked approx 20 times flawless. then did not want to electric start had to pull when headed back to ramp. Motor flushed at home would not start had to pull. Go this morning to check connections and wiring all tight on motor and turns over 5 times. Cranking volts checked ok. Neutral safety works and I'm alittle stumped what to look for next because it is working right now. :-/