To all USRMC Series and Dealers,
Please find the attached Technical Bulletin 2013-09, regarding the Modified Technical Regulations for the Mini Max Class. This new regulation will also be utilized by the Rotax Challenge of the Americas and the Florida Winter Tour in the 2014 season.
Technical Bulletin 2013-09
IMPLEMENTATION: January 1st, 2014
Modified Regulations – Squish Gap – Inlet System:
-Technical Regulations 2013 – Appendix for 125 Mini MAX – United States
1. Page 1, section 9.10.1 – Squish gap
Minimum 2,80 mm
To achieve the defined squish gap, a spacer (ROTAX part no.626 420, same shape as a cylinder base gasket) plus the different required base gaskets must be used. The squish gap must be measured with a certified slide gauge and by using a 3 mm tin wire. The crankshaft must be turned by hand slowly over TDC (top dead center) to squeeze the tin wire. Recommended 3 mm tin wire (ROTAX part no. 580 132). The squish gap must be measured on the left and right side in the direction of the piston pin. The average value of the two measurements counts.
The gap between the two reed petal stoppers must be of a minimum of 20.5 mm in any place between the two stoppers and must be evenly spaced to the center of the reed cage, as shown in the illustration. The stoppers must be of original curvature and shape.
3. Carburetor configuration
The specific configuration for the Mini-MAX class is:
- Only floats marked 3.6 gr or 5.2 gr are allowed. Must be used in matched pairs.
- Only idle jets stamped 30 or 60 are allowed.
- Only idle emulsion tubes stamped 30 or 60 are allowed.
- It is not mandatory that idle emulsion tube and idle jet show the same size.
Constant improvement is the focus of growing Rotax winter series
With all eyes of the global Rotax community on the Grand Finals at NOLA Motorsports Park, and so many racers tuning into our Trackside coverage here on eKartingNews.com, this is a perfect time for us to have a look at one of the Rotax programs that will highlight to so-called ‘off-season’ on North American karting. The Rotax Challenge of the Americas is a winter series on a continual rise, thanks to a perfect mix of heated competition and an enjoyable paddock atmosphere. The series offers direct Grand Finals tickets to its champions in DD2, DD2 Masters, Senior Max and Junior Max, and the class entry lists have been growing steadily, topping 125 drivers at last year’s opener. In 2014, the series will visit Tuscon and Phoenix before capping the three-weekend run at Simraceway in Sonoma, California. As part of our continuing support of the Rotax program, EKN’s Rob Howden sat down with Challenge of the Americas’ promoter Andy Seesemann to discuss the upcoming edition of the series. Continue reading
Eight round series from March to October to serve as official United States Rotax Max Challenge program for Southern California
ORANGE, CA (November 20, 2013) – Andy Seesemann is one of the early supporters of the Rotax Max Challenge here in the United States some 15 years ago. The promoter of the Rotax Challenge of the Americas and owner of Full Throttle Karting continues to promote the brand and Rotax races throughout the continent. Previously, Seesemann coordinated the southern California US Rotax Max Challenge program – Gatorz Karting Cup – which helped to groom many of the top Rotaxians today. Stepping away a few years ago, Seesemann as returned to help bolster what has become a struggling region for the Rotax program. With that, the So-Cal Rotax Challenge has been created. Continue reading
|HOTEL INFORMATION – Use Group Code G-FTKP Online or by Phone
MAXSpeed Offers 12 Month Warranty On All Rotax Engines Purchased This Year Rotax has made a great deal even better!
As the ONLY kart engine manufacturer in the world to offer a warranty on their engines, they’ve upped the ante and are now offering 12-Month warranties on all Rotax MAX engines purchased before December 31st, 2013. That’s twice the normal warranty on the most popular engine package in the sport!
To qualify for this extended warranty, just purchase any Rotax MAX engine package from an authorized US Rotax Service Center before the end of 2013. Then start using your Rotax engine package with confidence knowing you’re protected through the bulk of 2014.
For more information contact your favorite local authorized Rotax dealer.