Reply To: Converting Yamaha 6hp 677 model to 8 hp

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July 6, 2021 at 3:06 pm #242082
Mumbles
Participant

    25 Km/hour (15-16 MPH) with a six horse? I wouldn’t argue with that! That might be the maximum speed the propeller can develop no matter how much horsepower is turning it.

    • This reply was modified 5 years, 4 months ago by Mumbles.