I spend 95 percent of our time in the 1,250 to 1,400 rpm range and enjoy Put-Put mode. Every hour on the water is a gift.
When heading offshore to fish/dive and time is limited because we have a 2.5 hour run to get in the deep blue clean water before the wind picks up. I therefore run at 9K on the way out, but it’s a lot more fuel to do it. At 9K the engine is still very happy, and under very moderate loading.
As Durant noted, Scott knows a lot more about the subject than us, and is a very good resource to discuss the pros and cons of the various engine choices.
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