SOAR Race classes
Superbike:​​
 
1200cc Multi Cylinder Four Stroke
1400cc Twin Liquid Cooled Four Stroke
Unlimited Air Cooled (Twin deleted) Four Stroke
750cc Two Stroke
  

600 Extreme
 
600cc Multi Cylinders Four Stroke
890cc Liquid Cooled Twin Four Stroke
1350 cc Air Cooled Twin Four Stroke
Triumph 675 and 775 and MV Agusta F3 675 Triples and Kawasaki ZX636 are legal
Lost Era bikes up to 750cc
BOTT
 
Ltwt:   800cc Liquid Cooled Multi Valve
            1100cc Air Cooled OHV
            1400cc Pushrod
            Unlimited Four Stroke Single
Hvwt:  1400cc Liquid Cooled Multi Valve
1650cc Air Cooled OHV
            Unlimited Pushrod

Lost Era
 
All machines have to have a model year minimum 12 years older than the race date. Date is determined by model design for instance a 99 Yamaha R6 is same as a 00 model for the purposes of allowable machine
 
Light: 600cc Multi Maximum
            890cc Twin Maximum
            Unlimited Single
            250 GP Two Stroke
Hvwt: 750cc Multi Maximum
            1200cc Twin Maximum
            Unlimited Two Stroke

Rookie Cup
 
All Rookie Cup riders are restricted to the following machines:
 
600cc Multi Liquid Cooled Maximum with same exceptions as 600 Extreme
BOTT bikes (liquid cooled to 890cc air cooled unlimited)
Lost Era Bikes (up to 750cc)
All Vintage
  

Old Folks Club

OFC rider requirements
Riders must be over 40 years old at the time of the race in order to compete. Riders must be otherwise qualified/licensed by SOAR in order to compete. There will be a Pro and AM race and championship that will run at same time. OFC Riders are restricted to the following machines:
 
600cc Multi Liquid Cooled Maximum with same exceptions as 600 Extreme
BOTT bikes (liquid cooled to 890cc air cooled unlimited)
Lost Era Bikes (up to 750cc)
All Vintage
Formula Femme

Formula Femme rider requirements
Must be female otherwise qualified/licensed by SOAR in order to compete.

Formula Femme riders are restricted to the following machines:
 
600cc Multi Liquid Cooled Maximum with same exceptions as 600 Extreme
BOTT bikes (liquid cooled to 890cc air cooled unlimited)
Lost Era Bikes (up to 750cc)
All Vintage


Vintage
 
All machines have to have a model year minimum 20 years older than the race date.
 
Light: 550cc Multi Air Cooled Maximum
            750cc Twin Air Cooled Maximum
            400cc Multi Liquid Cooled Maximum
            650cc Twin Liquid Cooled Maximum
            Unlimited Single
            125cc GP Two Stroke
350cc Street Based Two Stroke Liquid Cooled
5 00cc Street Based Two Stroke Air Cooled
 
Hvwt: 1100cc Multi Air Cooled Maximum
            Unlimited Twin
            900cc Multi Liquid Cooled
            750cc GP Two Stroke Maximum
  

Open Sprint
 
Class open to all competition motorcycles from every class.

Any bike/rider entered must be able to consistently lap at no less than 125% of the pole sitters pace. This will be determined by review of timing system during practice and qualifying.
All machines competing must meet all race machine prep requirements.
  
NuSpeed
 
This is a class designed for the newest of the new riders to get their feet wet and compete with riders just like themselves.

The class will be restricted to a max 250cc four stroke motorcycle unless pre-approved by SOAR staff. 
Lightweight Superbike:
 
500cc Four stroke, liquid cooled multis
625cc Four stroke, liquid cooled twins
Unlimited singles
750cc Four stroke, air cooled, multis (Vintage eligible)
800cc Four stroke, air cooled, twins (Vintage eligible)
500cc Street based two stroke
125cc GP based two stroke
  
The following is a quick snapshot of current SOAR race classes.  Please refer to the official rulebook for full descriptions/requirements for each race class.
Note:  Supermoto, Lightweight Production and Formula Two Stroke are currently suspended classes.