EVINRUDE HO 225 HO SPINNING HUBS

[SMBASS]

I HAVE A 2003 225 EVINRUDE HO. THE PAST YEAR THIS THING HAS BEEN SPINNING HUBS SOMETHING AWFUL. IS THERE A CHANCE THAT THE EXHAUST IS TO HOT, AND HOW DO I FIX IT

[Ben]

I think I would try another prop shop or send it off to one of the big tuners.   That motor makes a lot of torque and heavy bass boats load the crap out of the prop.  If they are not using top quility hubs and properly installing them, they won't stay under that motor.  

Bass boats cause a lot more prop problems than most other boats because they are built to run so dang fast and need a high pitched prop,  but the boats are also heavy, and heavy boats usually run a much lower pitched prop.   Those 3.3 Fichts are torque monsters but they don't eat hubes as fast you saying yours is.

[Yankee_Bassman]

I'm not familiar with newer Evinrude motors, but I know on most, if not all of the '90's, the lower unit is engineered to insure that a stream of water hits the prop hub to cool it. If the trim tab gets bent or broken, it can redirect the cooling stream, causing the hubs to overheat, and spin/break apart.

If you replaced or adjusted your trim tab before the problem started, that may be it.....if not, check it out for condition.

Another possibility is a hairline crack in the prop hub housing that is causing the area to flex under torque and throw the housing out of round, making the hub spin.

The only other thing I can think of has already been said: the quality of the replacement hubs might be poor. If you're using a reputable prop shop, that shouldn't be the reason. If you've used the same shop each time, I agree that you might want to consider trying a different shop. Good luck, that's a frustrating problem to deal with.

OK, one more thing....do you know for certain the prop is within spec for the motor?