RPMS fine but loss of power above 3-4000

[TitanDawg]

Ran fine today for about 30min through all rpm ranges. Then as I accelerated past the 3-4000 range I lost all thrust. I was still able to idle and moderate rmps to get the boat trailered. I just put a few pumps of grease in the fitting on the pto. What am I looking at here. Did I spin the the spline on my drive shaft?
Thanks for your help.

[dank]

Re: RPMS fine but loss of power above 3-4000

Get under it with a flashligh and inspect the pump for debris from the rear and front of the impeller.

[John Kubiak]

Re: RPMS fine but loss of power above 3-4000

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