I am wondering which engine to get in a jet boat 120hp sportjet or 175 sportjet. I had the 120 before and had it up to 45 mph and was happy with the ease of serviceing. I know that the 120 is a rebadged force engine and the 175 is true mercury. I have read though that the 175 is common for oil...
Maybe someone can help me. My 1996 sugar sand heat's Mercury sportjet 120 starts and runs Excellent until about 80% or more throttle is applied then it still runs good but engine changes sound a little and does not rev any higher and the boat does not go any faster. If I back off the throttle a...
