i fabricated a "speed up pulley" for my 50" deck..used a hole saw to cut the top pulley from the "stack", then i bought a weldapulley from the implement store...i believe its a 4.5" or maybe even a 4"....i trued up the inside in the lathe then fried it all together with little stitches...definitely cuts alot better, blade speed increased...does work the motor harder when the pto switch is hit though also....i can post some pics if i pull the deck down off the wall and pull the cover off i suppose...if anyone wants......
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