Application of BIA TC-W Reference Oil to Air-Cooled Two-Cycle Engines 710731

This paper relates experiences of applying the BIA TC-W Reference Oil, designed for high-performance, water-cooled two-cycle outboard motors to high-performance, air-cooled two-cycle engines used in snowmobiles, all-terrain vehicles, outboard motors, motorcycles, lawn mowers, chain saws, and other equipment. Experience from field and laboratory tests is described. The performance of the reference oil is related to previous literature on two-cycle engine oils with respect to additive type and treatment level, base oil, bright stock, and fuel/lubricant ratio. The concepts of applying very-high-level amide type of ashless additive oil to air-cooled two-cycle engines and predilution in the oil formulation are discussed in detail.


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