20th Century RACING'S
antique Flat Track Classes
monday august 7th
MOTORCYCLE RACERS MUST HAVE PROPER SAFELY GEAR INCLUDING LEATHERS, BOOTS, GLOVES & HELMET
RACERS MUST BE 16 YEARS OLD OR OLDER TO COMPETE
BOARD TRACK – TEENS THRU 1928
1. No brakes.
2. No gearbox or clutch (if running, transmission must be locked in one gear).
3. Rolling starts
4. Wheels & Tires: 28 x 2 1/4 ribbed racing tires on clincher rims or 28 x 3 tires on clincher rims or 21 x 3 Avon-style ribbon Speedmaster tires on 21 inch drop-center rims. Button tread or Non-Skid clincher tires can also be used.
5. Handlebars must drop below the horizontal plane of the motorcycle.
HAND SHIFT –1933 THRU 1951
1. No brakes and rigid frame.
2. Hand shift and foot clutch.
3. Linkert or Amal Carb
4. Motor must be under 57 Cubic Inches
VINTAGE TWINS THRU 1983
1. Rear brake required.
2. Twin shocks on XR750 and RS750.
3. 42mm forks are legal.
4. No larger than a wm5 rear wheel.
PRE 1980s "RUN WHAT YA BRUNG!"
1. Rear brake required
2. Must have proper safety gear including leather jacket, boots, gloves and full faced helmet
3. NO HEADLIGHTS
KID CLASS - 50cc MINI BIKE CLASS
1. Rear brake required
2. Pump fuel only
3. Must have parent or guardian sign racer consent form
3. Must wear have proper safety gear including full face helmet, gloves, goggles and boots.
vintage MOTORCYCLE & HOT ROD
Dirt DRag classes
Thursday, August 10th
SEAT BELTS ARE REQUIRED IN EVERY RACE CAR
EVERY HOT ROD RACER IS REQUIRED TO WEAR A HELMET
MOTORCYCLE RACERS MUST WEAR EYE PROTECTION, GLOVES, BOOTS & A HELMET
RACERS MUST BE 16 YEARS OLD OR OLDER TO COMPETE
MOTORCYCLE CLASSES
ANTIQUE – 1910 THRU 1935
1. Rear brakes required
2. Rigid frame
3. Belt drives are okay
4. Wheels & Tires: NO clincher rims, NO super knobby or paddle tires.
45 ci HAND SHIFT –1936 THRU 1951
1. must be in a rigid frame.
2. Hand shift and foot clutch.
3. No super knobby or paddle tires
61 ci HAND SHIFT –1936 THRU 1951
1. must be in a rigid frame.
2. Hand shift and foot clutch
3. No super knobby or paddle tires
VINTAGE PRE-1970 "RUN WHAT YA BRUNG" CLASS
1. Rear brakes required
2. Pump fuel only
3. No super knobby or paddle tires
HOT ROD CLASSES
PRE 1934 CLASS
1. Pump Fuel Only
2. No modern transmissions, disc brakes, alternators etc.
3. No Headlights or Fenders
4. Car body must be 1934 or older. Needs to resemble a 1940’s hot rod roadster, no rat rods or poorly built death traps.
5. Tires and Wheels should represent the 1950’s, skinny steel wheels, period mag wheels, NO WHITE WALL TIRES, NO AGGRESSIVE TREAD
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
PRE 1961 CLASS
1. Pump Fuel Only
2. No modern transmissions, disc brakes, alternators etc.
3. No Headlights
4. Pre-1961 traditional 1950’s style hot rods. Needs to resemble a 1950’s hot rod, no rat rods or poorly built death traps.
5. Tires and Wheels should represent the 1950’s, skinny steel wheels, period mag wheels, NO WHITE WALL TIRES, NO AGGRESSIVE TREAD
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
CUSTOM CLASS
1. Pump fuel only
2. No modern transmissions, disc brakes, alternators, etc.
3. No headlights
4. No white wall tires or knobby/paddle tires
5.4. Pre-1961 traditional 1950’s style hot rods. Needs to resemble a 1950’s custom hot rod, no rat rods or poorly built death traps.
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
KID CLASSES (AGES 5-14)
CLASSES ARE SPLIT INTO TWO AGE GROUPS, 14 years old and under & 9 years old and under
50cc Mini Bike Drags (50cc or under)
6 HP Go Kart Drags (6 hp or under)
1. Must have parent or guardian sign racer consent form
2. Mini Bike and GoKarts must be pre1970 or be handbuilt with quality for safety of racer.
3. No headlights
4. Must have visible race numbers on each side
5. Racer must wear helmet, goggles, jacket and gloves.
6. Pump Fuel Only
7. Seat Belts are required for Go Karts
8. 1/4 Midget cars are good!
EVERY HOT ROD RACER IS REQUIRED TO WEAR A HELMET
MOTORCYCLE RACERS MUST WEAR EYE PROTECTION, GLOVES, BOOTS & A HELMET
RACERS MUST BE 16 YEARS OLD OR OLDER TO COMPETE
MOTORCYCLE CLASSES
ANTIQUE – 1910 THRU 1935
1. Rear brakes required
2. Rigid frame
3. Belt drives are okay
4. Wheels & Tires: NO clincher rims, NO super knobby or paddle tires.
45 ci HAND SHIFT –1936 THRU 1951
1. must be in a rigid frame.
2. Hand shift and foot clutch.
3. No super knobby or paddle tires
61 ci HAND SHIFT –1936 THRU 1951
1. must be in a rigid frame.
2. Hand shift and foot clutch
3. No super knobby or paddle tires
VINTAGE PRE-1970 "RUN WHAT YA BRUNG" CLASS
1. Rear brakes required
2. Pump fuel only
3. No super knobby or paddle tires
HOT ROD CLASSES
PRE 1934 CLASS
1. Pump Fuel Only
2. No modern transmissions, disc brakes, alternators etc.
3. No Headlights or Fenders
4. Car body must be 1934 or older. Needs to resemble a 1940’s hot rod roadster, no rat rods or poorly built death traps.
5. Tires and Wheels should represent the 1950’s, skinny steel wheels, period mag wheels, NO WHITE WALL TIRES, NO AGGRESSIVE TREAD
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
PRE 1961 CLASS
1. Pump Fuel Only
2. No modern transmissions, disc brakes, alternators etc.
3. No Headlights
4. Pre-1961 traditional 1950’s style hot rods. Needs to resemble a 1950’s hot rod, no rat rods or poorly built death traps.
5. Tires and Wheels should represent the 1950’s, skinny steel wheels, period mag wheels, NO WHITE WALL TIRES, NO AGGRESSIVE TREAD
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
CUSTOM CLASS
1. Pump fuel only
2. No modern transmissions, disc brakes, alternators, etc.
3. No headlights
4. No white wall tires or knobby/paddle tires
5.4. Pre-1961 traditional 1950’s style hot rods. Needs to resemble a 1950’s custom hot rod, no rat rods or poorly built death traps.
6. Cars must have visible race numbers on each side
7. Period paint please. No vinyl graphics, stickers or emblems, etc. Cars can be shiny or old paint.
KID CLASSES (AGES 5-14)
CLASSES ARE SPLIT INTO TWO AGE GROUPS, 14 years old and under & 9 years old and under
50cc Mini Bike Drags (50cc or under)
6 HP Go Kart Drags (6 hp or under)
1. Must have parent or guardian sign racer consent form
2. Mini Bike and GoKarts must be pre1970 or be handbuilt with quality for safety of racer.
3. No headlights
4. Must have visible race numbers on each side
5. Racer must wear helmet, goggles, jacket and gloves.
6. Pump Fuel Only
7. Seat Belts are required for Go Karts
8. 1/4 Midget cars are good!
WWW.SPIRITOFSTURGIS.COM |
