Vintage Snowmobile Racing Priest Lake
Rules and Regulations
General Rules Drivers
Must have tether attached when on sled.
Full face helmet required with goggles or face shield
Helmets to be worn while on snowmobile
Track run up stands required No lifting of sleds allowed
Upper body protection required (motocross style legal)
Knee and shin guards recommended
Neck braces recommended
High visible colors recommended for driver ORANGE requested
No alcohol in pits
​Gloves Raquired
Snowmobile General Rules
Any leaf spring sled 85 and older
Clutch cover required
Up to 1 inch depth lug depth
Clutches can be updated
Ski tips must be padded or Hoops
4 inch numbers on both side contrasting colors from sled
Hoods have to be on sleds
Traction devices allowed
Headlights taped or removed
Taillight recommended
Carbide ski runners allowed
Windshields can be removed
Brakes can be updated
Cleated Tracks allowed
Snow Flaps Required
Must be naturally aspirated
Must be snowmobile with 2 skis
No Sno-Scoots
Traction products can not be over 3/8 inch past track lugs
Stock Classes
Skis, gas tank, seat, and pipe must remain stock
Handlebars can be updated
Clutches can be updated
Air boxes can be removed
Original exhaust system
Carbs can be updated not to be larger than original size
Traction products and carbides allowed
Engine to remain stock
working taillight
Super Stock
Free Air sleds will run with liquids
Can update skis, gas tank, and seat
Internal mods allowed
No external mods to motor (intake concept to remain original)
Stock exhaust
Carbs can be updated
Clutches can be updated
Working taillight
Traction products and carbides allowed
Engine cylinders must match motor
Mod classes
Any 85 and older leaf spring sleds with 85 and older motors
Mufflers not required
Working taillight
Any sled and engine combo allowed not to be larger than cc class entered
Open Mod Class
Any 85 and older leaf spring sleds with 85 and older motors
Working taillight
Any sled and engine combo 85 and older
120 Stock Class Governor adjustment & gear change allowed
120/200 Mod Class Engine modifications up to 200cc allowed