Ok Jeff back to the Victa 24 pages. The pulley is 70mm in diameter, the one you have is obviously the one off the full crank so it is the right diameter. You are going to have to turn the pulley out to go over the PT boss and leave about 3mm in the end to fit up onto the boss in the same manner as it does on the blade carrier with the big washer.I have cut the sections out of the one here to allow the pulley on the motor to go through

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