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I have a 175 black max that I slug a rod in while getting itvsummer ready. I have it on a 20 prostar mastercraft. I know someone who is selling a 225 with a 25" shaft and mine has. A 20" shaft . My question is how would this effect the performance of my boat with the shaft being 5" longer?
I have a 1989 mercury black max that is running hot under a laod at an idle in a no wake it runs hot but takes a long time and running wide open it does well but at about 3000 rpm it gets hot pretty quick but only when in gear. I have already changed the waterpump the chrome sleve in the water...
New to this site,seems like a good place to retrieve info. Yesterday I decided to run my boat and my tach and fuel guage are not working I tested the fuel guage and it works so I am leaning towards a loose ground and was wondering if anyone knew what area to look in. Boat is a 1989 mastercraft...
