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In small two-stroke engines, the oil may be pre-mixed with the gasoline or fuel, often in a rich gasoline: oil ratio of 25:1, 40:1 or 50:1, and burned in use along with the gasoline. Larger two-stroke engines used in boats and motorcycles may have a more economical oil injection system rather than oil pre-mixed into the gasoline.
First introduced in 1904, the Havoline motor oil brand was named by Havemeyer Oil Company of New York. In 1906 the Havoline Oil Company separated from the Havemeyer Oil Company. In May 1909, It was bought by the Indian Refining Company, and registered as an official product of the company but kept the logo. By 1910, the Indian Refining Company ...
The oil fails the test at a particular temperature if the oil is too viscous. The grade of the oil is that associated with the coldest temperature at which the oil passes the test. For example, if an oil passes at the specified temperatures for 10W and 5W, but fails at the 0W temperature, the oil is grade 5W. It cannot be labeled 0W or 10W.
Waste oil is oil containing not only breakdown products but also impurities from use. Some examples of waste oil are used oils such as hydraulic oil, transmission oil, brake fluids, motor oil, crankcase oil, gear box oil and synthetic oil. [53] Many of the same problems associated with natural petroleum exist with waste oil.
Most injuries are caused by inexperience using high-pressure equipment, improper use, inadequate training, negligence, exhaustion at the end of the shift, or equipment rupture. [ 5 ] [ 6 ] Paints, paint solvents, grease, and fuel oils (diesel, paraffin, and gasoline) are the substances that are injected the most frequently, but reports of ...
Three emergency room physicians break down the biggest fall hazards this time of year, plus how to avoid them. From walking on wet leaves to cleaning out gutters, 4 fall hazards and how to stay ...
The oil is contained in a reservoir that connects to a small oil pump in the engine, which needs to be periodically refilled. Oil injection pump on a Yamaha DX100 - just behind the carburettor (visible on the left) It is the primary component of two-stroke automatic lubrication system.
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