Harley-Davidson Fat Boy Tire Size
The Harley-Davidson Fat Boy (1337cc) takes a MT 90-16 front tire and a MT 90-16 rear tire.
Key takeaways
- Front tire: MT 90-16.
- Rear tire: MT 90-16.
- Any tire made in the same size fits - shop across brands on price and grip.
- Covers 1990-1992 (size changed across years - see table).
Buy tires for your Harley-Davidson Fat Boy
These are the OEM sizes. Any tire made in the same size fits the rim - so you can shop across brands (Michelin, Dunlop, Pirelli, Shinko, and more) on price, grip, and mileage. Replace front and rear as a matched set where you can.
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Harley-Davidson Fat Boy tire sizes by year
| Years | Front | Rear |
|---|---|---|
| 1992 | MT 90-16 | MT 90-16 |
| 1990-1991 | 130/90-16 | 130/90-16 |
Frequently asked
What size tires does a Harley-Davidson Fat Boy take?
The Harley-Davidson Fat Boy takes a MT 90-16 front tire and a MT 90-16 rear tire. See the by-year table for other years.
Can I fit a different brand of tire on a Harley-Davidson Fat Boy?
Yes - any tire made in the same size fits the rim, so you can choose across brands (Michelin, Dunlop, Pirelli, Shinko, and others) on price, grip, and mileage. Keep front and rear a matched pair where you can.
More parts for your Harley-Davidson Fat Boy
We cover the other consumables for your machine too - the exact fit, cited, in one place.