The EJSBA Board of Directors have decided to re-assess the rules that were sent out in JSN# 6. Here are the new rules. Ski Stock: The maximum capacity for two stroke engines is 1100 cc, but they must stay within the Power-Weight ratio decided in December 07: 1.52. This Power-Weight ratio is based on the HSR-Benelli S4 already admitted in the Stock class for 2006 & 2007. Note: this capacity of 1100 cc must be OEM, you can use only OEM pistons and the stroke must stay OEM. In the case of the new Ski produced by Zapata, the Power-Weight ratio must be 1.52 like any other Ski already homologated in the Ski Stock Class. Zapata must put his engine on a homologated Dyno to prove that this Ski is within the Power-Weight ratio restraints, this must happen in the presence of a member of the Board of Directors. The lowering of power or rising of weight must only be done by the manufacture. A production of 100 units is required to be homologated for the Stock Class. The same rules apply to the new HSR-Benelli S8 Pro Edition; the Power-Weight ratio must be 1.52 set by the manufacture. So far HSR arent prepared to change the Power-Weight ratio of the S8 Pro Edition. De facto this Ski will not be homologated in Stock Class. Ski Limited: No changes, only to the capacity of two strokes, which now raise up to 1100 cc. Note: the capacity is theoretical and cannot be reached by changing the sleeves or the stroke of the OEM engine. Hard Chrome cylinders or Nicasil cylinders must be kept to the original bore size of the OEM cylinder. The Zapata Ski will be admitted in the Limited Class with a maximum of 138 BHP as long as it reaches the required units (100) to be homologated in the Stock class. The HSR-Benelli 142 BHP version will be admitted into Limited Class, but because this Ski will not meet the Power to Weight ratio for Ski Stock Class, a production of 100 units is needed before it qualifies to race in Ski Limited. Ski GP: No changes, only that the cubic capacity rise-up to 1100 cc for two Strokes. The EJSBA Board of Directors understands that not everyone will agree with these rules. But we feel that the majority of riders will be satisfied with this outcome. See you at the 2008 European Championship.
