View single post by Al Postiglione
 Posted: Fri Feb 21st, 2020 03:29 am
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Al Postiglione

 

Joined: Wed Mar 22nd, 2017
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Mana: 
 I have received a number of questions regarding Tires in general and in particular, Clutches for the 4cycle classes. Below you will find updated specs and options that are legal for the 2020 EVK Promoter’s Cup Series Season.

Tires for all Single Engine Sidewinders (not counting “Straight Axle Sidewinders”) are to have a minimum durometer reading of 56.
Tires within this range include:
Bridgestone YKC, YLC,
Dunlop SL 1, 2, & 3
Hoosier R60A
MG Red
Vega Red
Maxis Red

Twin Engine Sidewinders are to have a minimum durometer reading of 48.

The only tires for the Over-60 Yamaha Limited class are:
Vintage Speed Tires (11/350/5 - 11/600/5)
Hoosier R80 (4.5/10/5 - 6.0/11/5 - 7.1/11/5)

The only clutches legal for the 4cycle classes are the Noram GE Series and the Premier Magnum.

•Junior Classes will be formed accordingly with participation.
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