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From the Vintage Bike Racing Forum:
AHRMA Next Gen Superbike Rules Proposal
Submitted by: Mark Hatten
This is a proposal to create a class that would encompass a decade (1983-1992) of AMA-style Superbikes. This class will start where our current Superbike classes end (1982) and will include machines that were on the track during one of the most popular time periods of AMA Superbike racing. The goal of the class would be to bring new, relatively younger riders to AHRMA, while showcasing machines that are now 20 to 30 years old.
Only listed bikes would be allowed, which will save a lot of the “like-design” issues we’ve faced in the past.
Approved bikes
Bimota YB4, YB4IE
Buell RR1000/RR1200
Ducati 851/888
Honda VF700F, VF750F, VFR700F, VFR750F, RC30
Kawasaki GPz750 (83-87), ZX7/ZXR750/ZX750R/ZXR750RR (88-92)
Suzuki GSXR750/GSXR750R (85-92)
Yamaha FZ750/FZR750R/FZR750RR (85-91)
Basic Proposed Rules
Same as Vintage Superbike with the following exceptions:
1) Stock stroke required. 2 mm overbore allowed.
2) Bike must use carbs or fuel injection, as fitted OEM. Carbs may be replaced with any style/size carbs. Fuel injection may be modified.
3) Suspension components may be replaced with the same style/configuration parts. (ie: conventional-style forks may be replaced with any other conventional-style forks, “upside down” forks replaced with any other USD forks, etc.)
4) No restrictions on wheel size/style. Carbon fiber wheels not allowed.
5) Carbon rotors not allowed. “Wave” or “petal” rotors not allowed. Perimeter rotors (ie: Buell-style) not allowed. No other restrictions on the number, size, or style of rotors allowed.
6) Any size/style/construction of conventionally mounted caliper is allowed. No radial mount calipers allowed. No perimeter (ie: Buell-style) calipers allowed.
7) No restrictions on tires. Slicks, DOT, or rains may be used.
8) Tire warmers may be used.
9) OEM gauge panel and/or gauges are not required
Committee Vote: Yes, 3-0. This proposed class brings another decade of Superbikes to AHRMA. We’ve had requests for many years to add this period of bikes to AHRMA racing, but we feel this proposal is conservative in its reach, adding just one class and not multiple classes, and focusing on what were the “top dog” racebikes of that time period in the U.S. In addition, the rules proposal specifies exact makes, models, and years of eligible bikes, avoiding the ambiguity we often see under the “like design” clause.
This class has proven very popular with other vintage racing organizations
AHRMA Next Gen Superbike Rules Proposal
Submitted by: Mark Hatten
This is a proposal to create a class that would encompass a decade (1983-1992) of AMA-style Superbikes. This class will start where our current Superbike classes end (1982) and will include machines that were on the track during one of the most popular time periods of AMA Superbike racing. The goal of the class would be to bring new, relatively younger riders to AHRMA, while showcasing machines that are now 20 to 30 years old.
Only listed bikes would be allowed, which will save a lot of the “like-design” issues we’ve faced in the past.
Approved bikes
Bimota YB4, YB4IE
Buell RR1000/RR1200
Ducati 851/888
Honda VF700F, VF750F, VFR700F, VFR750F, RC30
Kawasaki GPz750 (83-87), ZX7/ZXR750/ZX750R/ZXR750RR (88-92)
Suzuki GSXR750/GSXR750R (85-92)
Yamaha FZ750/FZR750R/FZR750RR (85-91)
Basic Proposed Rules
Same as Vintage Superbike with the following exceptions:
1) Stock stroke required. 2 mm overbore allowed.
2) Bike must use carbs or fuel injection, as fitted OEM. Carbs may be replaced with any style/size carbs. Fuel injection may be modified.
3) Suspension components may be replaced with the same style/configuration parts. (ie: conventional-style forks may be replaced with any other conventional-style forks, “upside down” forks replaced with any other USD forks, etc.)
4) No restrictions on wheel size/style. Carbon fiber wheels not allowed.
5) Carbon rotors not allowed. “Wave” or “petal” rotors not allowed. Perimeter rotors (ie: Buell-style) not allowed. No other restrictions on the number, size, or style of rotors allowed.
6) Any size/style/construction of conventionally mounted caliper is allowed. No radial mount calipers allowed. No perimeter (ie: Buell-style) calipers allowed.
7) No restrictions on tires. Slicks, DOT, or rains may be used.
8) Tire warmers may be used.
9) OEM gauge panel and/or gauges are not required
Committee Vote: Yes, 3-0. This proposed class brings another decade of Superbikes to AHRMA. We’ve had requests for many years to add this period of bikes to AHRMA racing, but we feel this proposal is conservative in its reach, adding just one class and not multiple classes, and focusing on what were the “top dog” racebikes of that time period in the U.S. In addition, the rules proposal specifies exact makes, models, and years of eligible bikes, avoiding the ambiguity we often see under the “like design” clause.
This class has proven very popular with other vintage racing organizations
