2009 ANTIQUE MOTORCYCLE CLASSES
AMCA WAUSEON NATIONAL RACES
1-BT
BOARD TRACK – TEENS THRU 1928
1. No brakes.
2. No gearbox or clutch (if running, transmission must be locked in one gear).
3. Rolling start.
4. These motorcycles were raced originally with clincher rims and tires and late twenties drop center rims and tires. While safety is our major concern, please try to keep your tires and rims more styled to the period.
2-LW165
165cc LIGHTWEIGHT – 1948-1966
1. Rear brakes required – no front brakes.
2. Years of bikes are 1948-1966 Harley-Davidson.
3. 1948-1966 engines.
4. Stock frames from 1948-1966 hard tail or swing arm frame. Frame may be braced for extra support.
5. You must use stock cylinders 1948-1966, but may alter intake and exhaust ports.
6. Must run stock gas tank.
7. No reed valves intake.
8. You may change the head, carburetor and exhaust pipes.
9. You can change the wheels, handle bars, seat and front end if you wish.
3-BRKL250
BRAKELESS FOOT SHIFT 250cc THRU 1967
1. No brakes, no aftermarket swing arm frames.
2. 250cc short track and ½ mile machines.
3. Engines produced 1967 model year and before (examples: Triumph Cub, BSA C-15, Honda Hawk, Bultaco Metisse).
4. Aftermarket rigid frames such as cates and sonic weld may be used.
4-BRKL500
BRAKELESS FOOT SHIFT 500 OHV – 750 SV THRU 1967
1. No brakes and rigid frame.
2. Foot shift and hand clutch.
3. 750cc side valve, 500cc overhead valve.
5-V250
VINTAGE 250/360cc THRU 1981
1. Brakes required.
2. Air cooled engines singles or twins.
3. Two stoke or four stroke motors.
6-Pro600
VINTAGE 600cc PRO THRU 1980
1. Rear brake required.
2. All Honda Ascot’s are legal.
3. Must be a twin shock frame.
7-HS
HAND SHIFT –1936 THRU 1951
1. No brakes and rigid frame.
2. Hand shift and foot clutch.
8-ProSingles
80’s PRO SINGLES THRU 1989
1. Rear brake required.
2. Air cooled single.
3. Twin Shocks.
9-Vopen
VINTAGE OPEN AMATEUR THRU 1980
1. Rear brake required.
2. All Honda Ascot’s are legal.
3. Must be a twin shock frame.
10-ProTwins
VINTAGE OPEN TWINS-PRO THRU 1980
1. Rear brake required.
2. Twin shocks.
3. 42 mm forks are legal.
4. No larger than a wm5 rear wheel.
11-SPW
SPEEDWAY 500cc
1. No brakes.
2. Methanol fuel.
3. 19”or 22” rear wheel legal.
4. Single or 2-speed trans. legal.
5. Speedway or Long Track chassis legal.
