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
