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Harley Davidson FLS Softail Slim MPG

4 Harley Davidson FLS Softail Slims have provided 14 thousand miles of real world fuel economy & MPG data.
Click here to view all the Harley Davidson FLS Softail Slims currently participating in our fuel tracking program.

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Use a different Oil

If you do your own oil changes than you can select any oil... ...

by emsrower

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