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    New motor prop and rpm questions

    Brian, I only get 5400 trimming it all the way up before you start to blow out the prop. Dennis, I am thinking something is off with the motor. Maybe it does need to go up one hole ? It is mounted on the top hole of the bracket and the second from top on the motor. I think I will take it...
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    New motor prop and rpm questions

    Oh, crap! Wait, I have to remove the trailer from the boat while running? For 15 years I have been doing it wrong? Why didn't somebody say something? Bottom is clean. Motor trimmed up. Load is 3/4 tank or about 100 gallons of fuel. Four people in board and Gold bricks stowed in the bow. I...
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    New motor prop and rpm questions

    The plate seems at the right height. The tail end of it is at or above the surface. The peak HP for that motor is around 5500-5800 RPM, so I am told . I am not so concerned about top end speed as I rarely run it WOT, but it is an indicator in regards to having the proper prop and such on the...
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    New motor prop and rpm questions

    Anybody here running a 4.2 liter F250 and what prop are you using? I have 8 hours and the motor won't turn more than 5400 RPM. Tried a power tech OS4 15.25 x17 and saltwater series 2 15.5 x17 and both topped at 5400. My old motor would spin up at 6k RPM with both props. Motor is mounted on...
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    What if I went past 20 hours, say 30

    Thanks Gentlemen. This is a new motor and Yammy calls for a 20 hour service then every 100 hours.
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    What if I went past 20 hours, say 30

    Greetings: It has been wet here the Smokies which means cool weather too. Grey skies and rain when I am available to boat. I have just over 5 hours on my new motor. I had tentative plans to go to Fla to fish next week. I think my spring early summer trip will be canceled . I have concerns...