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Vintage Snowcross Snowmobile Race Rules 2020


1. Competition activities

 

A. Security
I. A meeting of drivers is mandatory for all drivers and officers
II. Training for track officials for safety, especially how to use flags
III. Racetracks must be designed so that there is no danger to competitors or
spectators
IV. Flag rules are the same as in SML (Finnish motorsports assosiation)
B. Snowmobile Inspection
I. Before the races, check the sled's legality and racing equipment, the race
numbers must be clearly marked on the sled and insurance is compulsory.
C. Driving gear and driver
I. Helmet with fixed chin guard required
II. Chest / back protection required
III. Knee pads are recommended
IV. MotoCross boots or other stiff boots suitable for sledging are a must
V. Single or SML Hobby License Required


2. Categories
I. 1-Cylinder leafers. Snowmobiles with original leaf suspension or rubber loop
suspension (Ockelbo), roller and glide suspensions get trophies separately.
II. Multi-Cylinder leafers. Snowmobiles with original leaf suspension or rubber
loop suspension (Ockelbo), roller and glide suspensions get trophies separately.
III. Eighties, IFS, 1980-1990, fan cooled and liquid cooled separately
IV. Nineties, 1991-1999, under 500cc and over 500cc will get trophies separately
V. 00-05 sleds
The class of the sled is determined by the particular sled. Commercial launch
year of the model.


3. Technical rules
A. 1-Cylinder Leafers
I. The start is performed in the so-called At the 'Le Mans' exit, running,
starting and racing.
II. Max track lug height 32mm
III. Max ski stance 100cm
IV. The engine block must come from a snowmobile, no Honda CR 500 etc.
VI. Max cubic capacity of 400cc
VII. Snowmobile models published in 1980 and later must be fitted with an
original or 70's engine. The suspension must be original or original type of the
same era
VIII. You can change and tune the sled using parts of the era
IX. Brakes, drivetrain, shock absorbers and skis free, the look of the seat is
of the era.
X. The clutch must be adequately protected
XI. Emergency Stop required and working


B. Multi-Cylinder Rods
I. Max track lug height 32mm
II. Max ski stance 100cm
III. The engine block must come from a snowmobile
IV. Snowmobile models published in 1980 and later must be fitted with an
original or 70's engine. The suspension must be original or original type of the
same era
A. The sled may be modified and tuned with parts appropriate to the era

VI. Brakes, drivetrain, shock absorbers and skis free, the look of the seat is
of the era.
VII. The clutch must be properly protected
VIII. Emergency stop required and working

 

C. 80s snowmobiles
I. Max track lug height 32mm
II. The engine block must come from a snowmobile
III. The snowmobile engine must have been commercially first introduced in the
1980s or earlier. (for example 583 Rotax is allowed because of Mach 1 -89, but
643 is not.)
IV. You can change and tune the sled using parts of the era
V. Brakes, powertrain, shock absorbers and skis free, Seat appearance of the era
VI. The clutch must be properly protected
VII. Emergency stop required and working


D. 90s snowmobiles
I. Max track lug height 38mm
II. The engine block must come from a snowmobile
III. . The snowmobile engine must have been commercially first introduced in the


1990s or earlier
IV. You can change and tune the sled using parts of the era
V. Brakes, powertrain, shock absorbers and skis free, Seat appearance of the era
VI. The clutch must be properly protected
VII. Emergency stop required and working
E. 00-05 sleds
I. Legs ahead, standing driven forbidden (no REVs or other too modern
snowmobiles)
II. Max track lug height 44mm
III. The engine block must come from a snowmobile
IV. The engine may be newer if the same has been available 00-05
A. The sled may be modified and tuned with parts appropriate to the era
VI. Brakes, powertrain, shock absorbers and skis free, seat look of the era
VII. The clutch must be properly protected
VIII. Emergency stop required and working