Stihl rolls out new 4-Mix technology

STIHL Inc., the Virginia Beach manufacturer of chain saws and outdoor power equipment, announced its latest technological achievement, a new mixture-lubricated 4-stroke engine known as the STIHL 4-Mix. The announcement was made at the 2001 Green Industry Expo in Tampa, Fla. on Nov. 12, 2001.

With this technology, STIHL will not only meet the Environmental Protection Agency (EPA) "phase two" emissions standards taking effect in 2005 and the regulations set forth by the California Air Regulation Board (CARB), but the company will also provide professional users with the ideal outdoor power equipment solution of the future, offering all the benefits of 2-stroke and 4-stroke engine technologies combined.

The 4-Mix lubrication runs on the standard 50:1 fuel-mix, thus eliminating the need for a separate oil chamber. The fewer number of parts affords the STIHL 4-Mix a more compact design and simpler, less frequent service investigations than a typical 4-stroke engine. And, given its unique construction, the STIHL 4-Mix engine weighs approximately six ounces more than the STIHL 2-stroke counterpart.

The first STIHL product to be manufactured with the STIHL 4-Mix engine will be the FS 110 grass trimmer, which will be released in California in Spring 2002 and will be available nationwide later that year. Powered by the new STIHL 4-Mix engine, the FS 110 will offer 17 percent more torque and 15 percent less vibration than the popular 2-stroke STIHL FS 85.

STIHL products are sold through independent servicing power equipment retailers from coast to coast. For more information, visit their Web site at

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