< G.L.A.S.S. - Great Lakes Antique Snowmobile Series


Glass Stock Class Twin Cylinder Rules 2016

Changes for 2016 indicated in red.

STOCK MEANS STOCK!

No changes allowed unless written in these rules, if it's not here it's not a legal modification!

 1  1980 or older twin cylinder 340cc or under fan cooled -NO REED MOTORS.
 2  Must have a single carb and a single exhaust."  2  Motor must have been offered in the chassis it is in.
 3  Clutch/secondary clutch original to the sled.
 4  Must be original carburetor.
 5  Exhaust original or stock replacement, No tuners or cutting of muffler.
 6  Motor must remain stock (No cutting or grinding of any parts)
 7  No aftermarket shocks, No alterations of any mounting points of shocks.
 8  Ski's must be original or stock replacement. No aftermarket, no ski skins or plastic skis.
 9  Must have snowflap
 10  Fuel tanks must be original to sled not to exceed 5 gallons.
 11  No hydralic brakes unless equipt by manufacturer.
 12  No front or rear suspension modifications of any kind.
 13   Studs must not protrude past the lowest part of the paddle by more than 3/8"
 14  Carbides no sharper than 60 degrees.
 15  No modifications to handlebars Handlebar extensions ONLY are now allowed
 16  Seats must be original or as close to original as possible. No late model (Ski-doo Rev, Yamaha RX1) seats allowed. No add on foam or pads.
 17  Scoring will be electronic.

***NOTE***
SLEDS MUST BE STOCK FROM MANUFACTURER, IF IT CAME WITH BOGIES THAT'S WHAT YOU CAN RUN NO SLIDES ETC