Motor or prop issue!?

[Timothy Whitworth]

I have a 1994 skeeter zx175 with a   Yamaha pro v 175. Boat fires right up and when I put it in to gear to go it has no holeshot it will just bog down.sometimes t won't big out and It will take out of the hole but not hardly at all. Does anything know about my problem? Any help appreciated much, thanks.

[iabass8]

If your RPMS are increasing out of the hole but your speed is not picking up, you may have a spun hub. Pretty easy to tell. It will feel like you're in neutral while hammering down. Easiest way to find out is put a mark on the inner race of the prop and then on the hub itself. Take off and check the marks. If they are way off, you have a spin hub. If they are a hair off, it's fine and no the hub.

If by bogging down you mean you give it gas and the RPMS aren't increasing past the 2-2.5k ish range and you're boat wants to die, you may have a duel restriction or a number of other things. 

Make sure the issue isn't the prop before you start on the motor. 

[Bassun]

I had a problem almost identical to this once.  Boat idled fine, revved fine etc.  But, when I throttled out of the no wake cove where I launch -- major power loss at full throttle.  Long story short, the engine was just getting hot because of a bad impeller.  (and one later from a clogged water line that I didn't notice at the dock.)  I thought it was fine the first time after I piddled around on it and it ran fine on a short distance.  Really it had just cooled down, and once hot, it thermaled and limited power again.  Glad the engine was smarter than I was!