I BOUGHT A OUTBOARD ON EBAY. IT WOULD NOT RUN. ONLY BACKFIRED OUT EXHUST?? THE WIRES ARE TO SHORT TO SWITCH,SO I SWITCHED THE PLACEMENT OF THE COILS... NOW IT RUNS, BUT I CAN'T GET A TACH. TO WORK?? CHANGED THE RECTIFIER, STILL NO TACH???OH YEA, IT'S A 1979 EVINRUDE, 55HP...PLEASE HELP, IF YOU CAN. THANKS ALOT, ALEX.......PS. IT HAS A 121/4 BY 15. PROP ON IT NOW. AND IT DOES 33MPH... HOW MUCH FASTER DO YOU THINK IT WOULD GO WITH A 113/4 BY 17... THANKS AGAIN.....AL...
