2100 hours on a blower? Holy crap I'm surprised there's anything left. We probably have sandier soils than you, but around here it only takes 600 to 800 hours to wear out a blower. Bet if you replaced yours you would notice it performs better.
I pull the deck off, back the front tires onto car ramps and put the back on blocks. Will be easier to replace your starter once the blower is out as well.
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