One of the most frequently asked technical questions we get at VP involves the difference between Motor, Research and R+M/2 Octane Numbers. The next most frequently asked question is why some fuel companies represent their fuels with Motor Octane Numbers, while other companies use Research or R+M/2 Octane Numbers.

Too often, racers focus only on octane when evaluating the quality of a fuel. Octane is certainly important, but it¡¯s just one of several key fuel properties that should be considered when evaluating and selecting a fuel. It¡¯s entirely possible to generate more horsepower with a lower octane fuel if it¡¯s designed properly with respect to its other key properties. It¡¯s also possible for two fuels to have the same octane rating, but perform very differently due to their other key properties.

Monster Energy/Pro Circuit/Kawasaki’s Tyla Rattray had a big day on Saturday as his first child was born early in the morning and he earned his second overall win of the season in the late afternoon. Rattray finished 2-2 for the win at Moto X – 338 in Southwick, Mass, while his teammate and current 250 class points leader Christophe Pourcel finished fifth overall with moto finishes of 7-3. Dean Wilson was sixth after going 5-4. In the 450 class, Monster Energy Kawasaki’s Nick Wey finished sixth overall and in the WMX class Sara Price finished fourth overall.

The championship-winning Rockstar Makita Suzuki team and Roger DeCoster will be parting ways after the close of the 2010 Lucas Oil AMA Pro Motocross season.

Corona, Calif. - August 3, 2010 - The Rockstar Energy Suzuki Supercross and Motocross team is pleased to announce it will continue racing in 2011 with even stronger support from Rockstar Energy Drink and American Suzuki Motor Corporation, and with the addition of Yoshimura R&D of America.

With just one round remaining in the 2010 MX3-GP World Championship Spaniard Carlos Campano is extremely close to his maiden world title which will make him the first rider from his country to covet the exclusive FIM prize.

Jeff Fredette is a multitime International Six Days Enduro (ISDE) medalist and an AMA Grand National Cross Country, hare scrambles and enduro race winner.

Jeff Fredette is a multitime International Six Days Enduro (ISDE) medalist and an AMA Grand National Cross Country, hare scrambles and enduro race winner.