Northern N.Y. Vintage Snowsled Racers NNYVSR.com

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		Northern NY 100 Mile Rules ----------------------- No membership is required this year. Release waivers will be available at the track. Classes: 1974 and older HR fan cooled, single cylinder stock 1974 and older HD fan cooled, single cylinder stock 1975 - 2000 fan cooled, single cylinder sport class 2000 and up - open class Relic Class - 1973 and older Boogie wheel only, Mid Mount              (no Polaris, Artic Cat, Yamaha or Yamaha engines) Powder Puff - 1974 and older single stock class rules Here are the rules for the 2012 100 mile single cylinder vintage sled races. Check to make sure that your sled meets these requirements.
		Rules and Regulations for 1974 and Older HR, HD and Powder-Puff Stock Classes: (scroll for more) SNOWMOBILE: 1. Must be production line model with a fan-cooled, single cylinder motor that was offered in 1974 or before - no free-airs of jack shaft chassis. DRIVERS: 1. Must be 14 years old or older, 1 or 2 man teams HR-HD class 12 and 13 year olds may race, but must team with an adult. 2. Powder Puff - up to 4 drivers. 3. One or two man teas HR, HD, and sport class. 4. Must have helmet and boots. NO sneakers, NO blue jeans. ENGINE REGULATIONS: 1. You may substitute any motor in your chassis if it was offered in that brand of sled in 1974 or before (ie: if it ever came with a Hirth, you can run any Hirth single.) 2. Clutch - Primary: original, Comet 94c Duster or Power Block only. Secondary must be original for make and model. 3. No decreasing of rotating mass. (ie: fan and shrouding must be in place.) 4. Carb - Original or other diaphragm type of 2-1/4" bolt pattern for HR class, 2-15/16" bolt pattern for HD class. If it came stock with a Mikuni, you may run the STOCK Mikuni. ie: 250 Polaris Colt. 5. Exhaust and Muffler - Original or stock replacement (must be a can muffler), it may be reinforced. No tuners. No cutting the muffler open or gutting. 6. Any internal modifications allowed, must retain original shrouding and fan, pump gas only, max. over bore .060". 7. Engine must use points style ignition, no CDIs. Winner of class may be torn down at end of day. CHASSIS REGULATIONS: 1. 1974 and older (no jack shaft chassis). If it came with cleats you may run with cleats or switch to rubber. If it came with a rubber track you may switch to cleats. Track should be in good condition for safety's sake. 2. Skis - Original or any other steel, leaf spring type ski. No ski skins. No aluminum. Spreaders, risers and carbides are allowed. No mini sled skis. 3. Snow flaps must touch ice/snow when rider is sitting. No snow flap - ALL CLASSES. 4. Fuel tanks - Original or may substitute a different tank. Not to exceed five gallons. 5. Hood - Need not be original. 6. Must have good operating brakes - mechanical brakes may be strengthened to improve safety. (IE - Stronger cable, bigger hand levers.) 7. 6 inch visible numbers on each side of hood. These numbers are use for lap counting purposes. If the numbers can not be read, you may now be counted!! Numbers given at registration. 8. Studs should measure 3/8 inch above track or as close as possible. Any combination of studs and cat claws are allowed. 9. If the manufacture didn't offer a single cylinder model (ever) contact Ed Stabb for guidance. (IE - John Deere.) No jack shaft. Rules and Regulations for 1975-2000 Single Cylinder Sport Class: 1. Must be production line snowmobile that came with a single cylinder engine. No free airs. Must be fan cooled. 2. CDI ignitions and any carbs may be used. 3. Must have original or can style muffler - no stingers. 4. Primary and secondary clutches must be stock for model. 5. All other rules same as HR and HD classes. 6. Trophies only - 40 sled limit. First come, first serve. Relic Class Rules: 1. 1973 and older mid mount bogie only. 2. No Yamaha or Yamaha powered sleds (IE Snojet). No Artic Cats. No Polaris. 3. Clutches- primary, original, or Comet Duster. Secondary- must be stock manufacturers 1973 or older. 4. Engine must match chassis. 5. Ski- original or stock replacement. 6. Race will be 60 miles (15 laps). 7. Must have an "R" on hood preceding race # (IE R29). 8. Must use original fuel tank. 9. Must follow all general safety rules and stock class restrictions. You May: 1. Change gear ratio. 2. Change clutch weight and springs. 3. Change seats, handle bars, running boards for driver comfort. 4. Drill tunnel to allow for raising or lowering of skid frame or boggie wheels. 5. Remove head and tail lights. 6. Win. You Must: 1. Have all original suspension parts in place. You may strengthen these parts, but not remove. 2. Have an operating tether switch. NO EXCEPTIONS. Must be working at all times. 3. Have a belt-clutch guard in good condition. 4. Conduct yourself in a sportsman's like manner. 5. Have a great time.