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Prop spin at 1700 RPM Merc Cruser

P

PeterTye

Guest
"Was speeding along @ 35mph wh

"Was speeding along @ 35mph when the engine raced disengaging from the prop. I came to an idle and it reengaged. I hit the gas slowly and got prop spin again @ 1700 RPM consistently.

Was able to idle it home just about plaining @ 1650 RPM

Boat has 450 hours on it and I have owned it for about 30 of those


Any ideas on what it could be."
 
You have spun the hub in the p

You have spun the hub in the prop or spun the engine coupler. Take the prop to a prop shop and have it tested. If is bad it can be repaired if not then the engine has to come out to replace the coupler.
 
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