STRUCTURE AND OPERATION 4. Mitsubishi 4M50 Connecting Rod Weight mark: “C” to “G” (with “G” as the maximum)
5. Mitsubishi 4M50 Piston • Each piston must be mated with a cylinder in the upper crankcase that has the same size mark as the piston. The pistons are marked with either “A” or “B”, where “B” stands for the larger and “A” for the smaller of the two available diameters. • The pistons have been made lightweight by use of a special aluminum alloy, as well as by the reduction of their height.
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