AMA Pro Flat Track
About
AMA Pro Grand National Twins
AMA Pro GNC Twins - Quick Look
- Top Speed: Over 140 mph
- Engine Displacement: 550cc - 1250cc with the following restrictions, racing only engines may not exceed 750cc, engines greater than 1000cc are restricted to air/oil cooled.
- Eligible Bikes: Harley-Davidson XR-750, Harley-Davidson 1200, Harley-Davidson 883, Honda RS750, Aprilia RSV1000, Aprilia RXV450, Aprilia RXV550, Aprilia SXV450, Aprilia SXV550, BMW F800, Buell 1200, Ducati 750 Pantah, Kawasaki 650R, KTM 950 LC8, Suzuki DL / TL1000, Suzuki SV650, Suzuki SV680, Suzuki SV750, Triumph 865, Yamaha XZ650FJ.
- Minimum Weight: 314 lbs with fuel.
- Fuel: VP C12
- Tires: Goodyear CD5 (Front: DT-11 27.0x7.0-19 D3616) and CD8 (Rear: DT-11 27.5x7.5-19 D1637)
- Race Tracks: Half-mile and Mile oval
- Riders to Watch: Kenny Coolbeth, Chris Carr, Joe Kopp, Kevin Atherton, Bryan Smith, Sam Halbert, Joe Halbert, Nichole Cheza