I have always heard that decarbing gives positive results, but I am trying to figure out why I got negative results--the loss of top end speed. I bought a 1982 Johnson 15hp in 1994. The owner claimed it only had 10 hours on it. If so, it was the hardest 10 hours a motor has ever seen...
I own a 1988 Blue Fin 1700. Does anyone know what happened to this boat manufacturer? They disappeared around 1994. They may have been bought out by Fisher Marine, but I cannot find anything definitive.
Motor was bought new in 1988. Replaced impeller last year (1st time) and used the boat multiple times with no problems. Hooked it up to the garden hose before last outing and ran it for several minutes. Went skiing for a good run, got back in the boat and continued up river. Overheat alarm...
