I have a 01 800 mxz with a 151X2 on it, and didn't have to change drivers or do a drop and roll. There is only about 3/8 inch clearance on the front cooler. We put an 1 1/2 on a 99 600 mxz and it fit fine. I think you will be fine with the 1 1/2 on a 01 700.
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