Saddleman has several with different ratios. The difference that will get you is the housing on the 02 and up does not have the hole for the speed sensor in the top of it. Saddleman can tell you what will fit where through and what ratios are available. It won't be as simple as pulling a 03 FD off and putting that FD on your 00 though.
The 2000 LT has a 2.75 ratio & the 2003 LT has a 2.62 ratio. I run a 2.91 ratio for hwy. riding or long trips & a 3.09 ratio for around town & to work. The 2003 LT final drive would have to be modified because it doesn't have a speed sensor like your 2000 LT has.
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