Bronlonius
Petty Officer 2nd Class
- Joined
- Oct 21, 2012
- Messages
- 145
Have a yamaha 2003 25hp 4 stroke right now, and I'm considering replacing it with a new 20hp tohatsu. The yamaha doesn't have tilt, and is really heavy to lift from inside the boat. Also, the yamaha isn't as quiet as I had hoped.... About 70-75dB while idling. I never measured the noise level of my old 15hp nissan, but the yamaha seems about the same, maybe even louder. I haven't been able to find a published spec for the noise level of tohatsu 4 strokes, can anyone with a 20hp do a test for me? If you have a smartphone, there are apps for measuring dB.. I used "decibel 10th", I'm sure there are others.