I was able to get my boat in the water yesterday and everything was going great until I ran into a problem. I was running the boat off and on for about 3 hours while I was fishing. I decided to try a new spot and headed that way I way turning about 4500-4800 RPMs. I started playing with the trim to get the boat to ride a little better and the RPMs went to about 5200-5300 everything was fine for a few minutes until the motor started to bog and I lost all power. I quickly got off the throttle and slowed down. Then motor still had no power and would run real rough in any RPM. I was cruising at 2000 and it was still rough so I tried to give it a little. The motor then acted like it was going to stall. I was in the channel so I and a long way from the marina so I pulled it over and fished for about 45 minutes. I knew I needed to get back so I fired it up and headed back. I kept it at 2000-2300 and it was running just fine. I went ahead and got it up to 4500-4800 and it was still running fine. I continued to fish and cruise around for another 3 hours keeping the RPMs under 5K and never had the same problem.
Does anyone know what could have happened? Were the RPMs too high? If it over heated would it cause this problem and was I suppose to hear a buzzer? I replaced the water pump and have run it with no problems before this.
BTW… The motor is a 1989 Yamaha 90.
Thanks,
Charles.
Does anyone know what could have happened? Were the RPMs too high? If it over heated would it cause this problem and was I suppose to hear a buzzer? I replaced the water pump and have run it with no problems before this.
BTW… The motor is a 1989 Yamaha 90.
Thanks,
Charles.
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