Thanks fella's.
I replaced the two drive belts. One from the engine to the vari speed, and from the vari speed to the diff.
I also replaced the front most idle pulley.
I also replaced the tension pulley next to the vari speed.
And she works,...whoo hoo! It now goes up the hill in the back yard without slowing down.
I also ended up replacing the cutting belt too.
The vari speed pulley had worn through the bottom thrust washer. So I got a new one, and then covered that and the needle bearings all in lots of grease.
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Next question is on the engine, but I will make a new post for that.
