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  1. K

    Losing Power - After two hours

    Yes I will be crusing at whateve speed, say 28 mphs, it will lose complete power and drop to 1,200 rpms or so, then rev real high, all with out power then randomly kick back in and start accelerating again. All with out moving the throttle.
  2. K

    Losing Power - After two hours

    I (my neighbor who is a retired fireman and now a boat captain) changed the hub when we changed the prop. I would think a Spun Prop would do that all the time, not working perfectly for two hours and then stop. I called some places to get time frames and quotes on a tune up waiting to hear now.
  3. K

    Losing Power - After two hours

    Is there anything to change for fuel filters beside by the Fuel water seperator filter? How would I tell the fuel pressure?
  4. K

    Losing Power - After two hours

    Yes Alpha One drive sorry It's weird we will be on plane cruising along, and it will lose power and drop to like 1,200 rpms then catch power again, and rev way up to 5,000 then settle back at where it started around 4,000. Or it loses power completely, and goes to zero, and then the gauge...
  5. K

    Losing Power - After two hours

    See attached, as far as trouble shooting I haven't done much else it was just me and my daughter out there yesterday so couldn't do much, and as the boat lost power she was getting nervous so I just headed back in.
  6. K

    Losing Power - After two hours

    Everyone, This is from another thread because I thought it was a prop issue, but below is my experience on my latest trip out. New boat owner, 1999 Bayliner Trophy, 21' cuddy cabin. Bought it to take my 9 year old daughter out. First two trips boat ran great, but were short trips. Last...
  7. K

    Won't go over 4,000 RPM

    Hey everyone, So update, bought and replaced the prop, launched today and ultra high tide after storms to make sure i didn't spin a prop from shallow water. First time launching just me and my daughter (9) and she did great helping tie the boat up and hold it while I ran to get truck. So...
  8. K

    Won't go over 4,000 RPM

    So I am shopping for Props, and what is on there is currently a 14.5 R 21 Pitch All I can find is 14.25 R 21 Pitch, in aluminum What difference would that cause? My neighbor is a retired fireman that now captains boats and said he thinks instead of plaining at 3,800 RPMS on normal...
  9. K

    Won't go over 4,000 RPM

    Was like 3,700 and between 11 and 16 mphs is there a fix for a spun prop or just a new one?
  10. K

    Won't go over 4,000 RPM

    Recently bought a 99 Bayliner trophy 21' cuddy cabin with a mercruiser 4.3 I/O. Single dad wanted something affordable to take my daughter on. Today was third time out on it, we cruised (Chesapeake bay of Maryland) and had a blast for two hours. It has ran fine the first two times out as...
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