MotoAmerica’s Five Race Classes

1. SUPERBIKE

MotoAmerica’s premier race class, Superbike showcases the top road racers aboard top-of-the-line, highly modified sportbikes capable of speeds approaching 200 miles per hour.

Engine Configurations:

Over 750cc up to 1000cc, 4-stroke, 3- and 4-cylinder

Over 850cc up to 1200cc, 4-stroke, 2-cylinder

Minimum Weight:

370.5 pounds

Rider Age Limit:

18-55

2. SUPERSPORT

MotoAmerica’s middleweight race class, Supersport features the series’ rising stars competing aboard production-based sportbikes.

Engine Configurations:

Over 400cc up to 600cc, 4-stroke, 4-cylinder

Over 500cc up to 675cc, 4-stroke, 3-cylinder

Over 600cc up to 750cc, 4-stroke, 2-cylinder

Minimum Weight:

354.2 pounds

Rider Age Limit:

16-55

3. LIQUI MOLY JUNIOR CUP

MotoAmerica’s entry-level race class, Liqui Moly Junior Cup presents the series’ youngest riders competing aboard small-displacement, production-based sportbikes.

Engine Configurations:

4-stroke, 1- or 2-cylinder

Eligible Motorcycles:

• Honda CBR500R

• Kawasaki Ninja 300

• Kawasaki Ninja 400

• KTM RC390

• KTM RC390 R

• Yamaha YZF-R3

• Yamaha YZF-R3A

• Yamaha YZF-R3 (2019-2020 Model Years)

Combined Minimum Bike and Rider Weight*:

• Honda CBR500R: 462.971 pounds

• Kawasaki Ninja 300: 440.925 pounds

• Kawasaki Ninja 400: 462.971 pounds

• KTM RC390/RC390R: 445.334 pounds

• Yamaha YZF-R3 (All Models): 449.743 pounds

*The weight of the rider (in full racing gear) and bike, as used on track.

Rider Age Limit:

14-28

4. STOCK 1000

A feeder class for Superbike, Stock 1000 gives MotoAmerica riders the opportunity to gain experience aboard open-class sportbikes with an eye toward eventually moving up to Superbike.

Engine Configurations:

Over 750cc up to 1000cc, 4-stroke, 3- and 4-cylinder

Over 850cc up to 1200cc, 4-stroke, 2-cylinder

Minimum Weight:

374 pounds

Rider Age Limit:

17-55

5. TWINS CUP

Putting middleweight, twin-cylinder sportbikes in the spotlight, Twins Cup enables regional and club racers from around the country to step up to the MotoAmerica series and compete on a national level.

Engine Configurations:

Over 600cc up to 750cc, 4-stroke, 2-cylinder, water-cooled

Over 600cc up to 800cc, 4-stroke, 2-cylinder, air-cooled

Minimum Weight:

Over 600cc up to 800cc: 297.6 pounds

Rider Age Limit:

15-55