This range of engine models is designed for marine applications under Motorola from 1973 to 1978 and Westerbeke from 1963 to 2007, featuring diverse configurations. Included are six-cylinder variants such as the 108B and 108C, alongside several four-cylinder models like the 4-107, 4-154, and 4-230, offering displacements from 1.0L to 5.7L. Specialized models like the W70 series, including the W70G and W70, are specifically engineered for marine use, ranging from 91CI to 182CI and 1.5L to 3.0L in displacement. Part numbers Lester 7497 and 8803 serve as replacements for Clark M1992527, Motorola 10-223, 10-272, 8MR2022K, 8MR2048K, 8MR2048KA, Prestolite 110-223, 110-272, 110-512, and U.S. Marine 166500040.

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