Youth class
-Flak jacket and knee protection are recommended.
-A 250 enticer can be ran in youth class.
-Youth class must have a working red light on the back of the sled. (min 4in in width)
HR RULES
1973 and older, production line model with a single cylinder fan cooled motor.
No changes or modification allowed unless specified by these rules. If these rules do not specifically allow a change or modification, it is assumed that the change or modification is not allowed.
Engines:
- Engines not allowed in this class Sachs SA340SS, SA340C, SA400 or Hirth 194R
- Engines must have been offered in the Brand of sled you are running.
- Engines must remain stock, no grinding, porting, sandblasting, shaving on anything.
- Pistons can be stock or aftermarket replacement, no cutting skirts. (Max over bore .150)
- Carb must be original or other diaphragm carb with 2 1/4 inch bolt pattern (no aftermarket or billet carbs)
- Primary Clutch stock 1976 and older standard production. (must be brand specific) or 94 c dusters or Power Block allowed.
- Engine must have OEM point ignition. (no cdi)
- Must have stock fan and stock recoil. (must be brand specific)
- No fuel pumps allowed unless it was factory with the sled.
- None Ethanol gasoline and race gasoline only, NO E-85, Alcohol, Nitro Methane or any other fuel allowed.
- Exhaust and muffler must be stock or stock replacement. Head pipe may not exceed 2”OD. No tuned pipes.
- If the head pipe exceeds 2” the exhaust must be stock to year, make and model of sled and may not be altered.
Fuel Tank
- Fuel tanks must be mounted in stock location to year of sled and must not exceed 6.5 gal. Aftermarket or homemade tanks allowed.
Chassis:
- 1973 and older, no limited production or race chassis. NO jackshaft chassis. Chassis 1976 and older may be used as long
and it is the same material and dimensions as a 73 sled. Example: 1974 Arctic Lynx II is the same Chassis as a 1972 Cheetah.
- Bulkhead must be stock and unaltered. Reinforcement and bracing only.
(Maybe modified for 76 and older chain case only)
- 1976 and older chain cases and secondary clutch allowed. (must be brand specific)
- Skis must be original or stock replacement. NO Aluminum or unsafe skis! Any carbide allowed.
- You must run a hood and stock belly pan.
- 24” Leaf Spring minimum length.
- Ski spreaders allowed max 2.5” measured from center of spindle to center of ski.
- Any spindle allowed but must fit in stock unaltered bulk head.
- Numbers must be 8” and visible on both sides. (Should be black and white)
- Any seat may be used and any handle bars.
- Your brakes must be in working condition. (Will be checked)
- Brake may be moved from stock location and relocated.
(IE Extended Drive Shaft with disc) May use hydraulic brake setup off of newer sled.
- Snow flap must touch ice/snow with rider on machine.
- Must have a working tether cord and USE it. Must be mounted to the frame.
Suspension and track:
- Suspension may be 1976 and older stock production and can be reinforced only. No snow pro suspensions or “Z” Any 1976 and older is allowed as long as its not a limited production or factory race suspension. (ex. Yamaha suspension in a Polaris). May be shortened to fit chassis only. (Do your homework)
- 8in idler wheel max size
- Any track allowed, Must be a minimum of 15”wide, and must be stock length or longer of the model sled you are running.
- Max cleat or lug height of 3/4”
- No aluminum or titanium cleats and rubber tracks my not be modified.
- Track Studs can measure a maximum of 1⁄2” max past cleat or lug. Will be checked with a “Go No Go ‘gauges.
- Any drive shaft and drivers can be used.
No changes or modification allowed unless specified by these rules. If these rules do not
specifically allow a change or modification, it is assumed that the change or modification is not allowed.
HD RULES
1973 and older, production line model with a single cylinder fan cooled motor.
No changes or Modification allowed unless specified by these rules. If these rules do not specifically allow a change or modification, it is assumed that the change or modification is not allowed.
Engines:
- Engines must have been offered in the Brand of sled you are running!
- Engines must remain stock, no grinding, porting, sandblasting, shaving on anything.
- Pistons can be stock or aftermarket replacement, no cutting skirts. ( Max over bore .150)
- Carb must be original or other diaphragm carb with 2 5/16 inch bolt pattern (no aftermarket or billet carbs)
- Primary Clutch stock 1976 and older standard production. (must be brand specific) or 94 c dusters or Power Block allowed. No comet 100 or 102c
- Engine must have OEM point ignition (no cdi)
- Must have recoil.
- No fuel pumps allowed unless it was factory with the sled.
- None Ethanol gasoline and race gasoline only, NO E-85, Alcohol, Nitro Methane or any other fuel allowed.
- Exhaust and muffler must be stock or stock replacement. Head pipe may not exceed 2”OD. No tuners!
- If the head pipe exceeds 2” the exhaust must be stock to year, make and model of sled and may not be altered.
Fuel Tank
- Fuel tanks must mounted in stock location and must not exceed 6.5 gal. Aftermarket and homemade tanks allowed.
Chassis:
- 1973 and older, no limited production or race chassis. NO jackshaft chassis. Chassis 1976 and older may be used
as long and it is the same material and dimensions as a 73 sled. Example: 1974 Arctic Lynx II is the same Chassis
as a 1972 Cheetah.
- Bulkhead must be stock and unaltered. Reinforcement and bracing only (May be modified for 76 and older chain case only)
- 1976 and older chain cases and secondary clutch allowed. (must be brand specific)
- Skis must be original or stock replacement. NO Aluminum or unsafe skis! Any carbide allowed.
- You must run a hood and STOCK belly pan.
- 24” Leaf Spring minimum length.
- Ski spreaders allowed max 2.5” measured from center of spindle to center of ski.
- Any spindle allowed but must fit in stock unaltered bulk head.
- Numbers must be 8” and visible on both sides (Should be black and white)
- Any seat may be used and any handle bars.
- Your brakes must be in working condition (Will be checked)
- Brake may be moved from stock location and relocated (IE Extended Drive Shaft with disc) May use hydraulic brake setup off of newer sled.
- Snow flap must touch ice/snow with rider on machine.
- Must have a working tether cord and USE it. Must be mounted to the frame.
Suspension and track:
- Suspension may be 1976 and older stock production and can be reinforced only. No snow pro suspensions or “Z”. Any 1976 and older suspension is allowed as long its not a limited production or factory race sled suspension (ex. Yamaha suspension in a Polaris). May be modified to fit chassis only. (Do your homework)
- 8in idler wheel max size
- Any track allowed, Must be a minimum of 15”wide, and must be stock length or longer of the model sled you are running.
- Max cleat or lug height of 3/4”
- No aluminum or titanium cleats and rubber tracks my not be modified.
- Track Studs can measure a maximum of 1⁄2” max past cleat or lug. Will be checked with a “Go No Go ‘gauges.
- Any drive shaft and drivers can be used.
No changes or modification allowed unless specified by these rules. If these rules do not
specifically allow a change or modification, it is assumed that the change or modification is not allowed.
77-83 250 Enticer
1977 to 1983, production line model with a single cylinder fan cooled 250 motor.
NO JACK SHAFT CHASSIS
No changes or modification allowed unless specified by these rules. If these rules do not specifically allow a change or modification, it is assumed that the change or modification is not allowed.
Engines:
- Engines must be stock in the model and year of sled you are running.
- Engines must remain stock, no grinding, porting, sandblasting, shaving on anything.
- Pistons can be stock or aftermarket unaltered replacement, no cutting skirts. (Max over bore 1 mm (.040)
- Stock carb or any aftermarket carb (aftermarket carb 34mm max)
- Any Primary Clutch
- Engine may have the OEM CDI or factory points (No modifications allowed)
- Must have stock, unaltered fan and stock recoil.
- None Ethanol gasoline and race gasoline only, NO E-85, Alcohol, Nitro Methane or any other fuel allowed.
- Head pipe and muffler must be stock, unaltered and in stock location
- You can update the spine crank to a 30mm taper crank
Fuel Tank:
- Fuel tanks must be stock and mounted in stock location, 250 Enticer can run 300 Enticer tank
Chassis:
- 1977 to 1983, Enticer 250-300 or 340 chassis.
- Bulkhead must be stock and unaltered. Reinforcement and bracing only.
- Chain, Chain Cases and secondary clutch must be stock and unaltered
- Skis must be original or stock replacement. NO Aluminum or unsafe SKIS! carbide allowed
- You must run a stock hood and belly pan. ( hood my be altered but not belly pan)
- 24” Leaf Spring minimum length.
- Max ski spread of 34” measured center to center of ski. Ski spread will be checked after race. Spindle must be stock and unaltered.
- Numbers must be 8” and visible on both sides. (Should be black and white)
- Any seat may be used and any handle bars.
- Your brakes must be in working condition. (Will be checked)
- Brake MAY BE MOVED from stock location, relocated and converted to hydraulic.
(IE Extended OEM Drive Shaft with disc) May use hydraulic brake setup off of newer sled.
- Snow flap must touch ice/snow with rider on machine.
- Must have a working tether cord and USE it. Must be mounted to the frame.
- Gearing my not be changed ET 250 GEARING ONLY
- Must have steel OEM belt guard
Suspension and track:
- Suspension must be stock and unaltered and mounted in stock location
- Track must be stock and unaltered (Upgrading clips will be allowed)
- Track Studs can measure a maximum of 1⁄2” max past lug. Will be checked with a “Go No Go ‘gauges.