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170hp 200hp 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 175hp 200hp 270hp 260hp 170hp 230hp 185hp 175 200 270 260 170 230 185 hp
2-1/2" crank hole 153 teeth
1958: 10016 / 10017 / QD-19 / QDL-19
During this time period there were 2 different types of flywheel covers depending on which type of coupler the engine used
(Serial number 3488153 marked the first outboard of 1973)
Mercury Kiekhaefer Outboard Mark 78 43-26215 43-26214 Gear Set Forward Pinion Flame Arrestor 170hp 200hp 1981 1982 1983Item Description Mercury Part Number 43 26215 43 26214 Forward and pinion gear set, used on Mark 78 models. (and possibly others). NOTE: Two different sets of pinion and propeller gears were used on Mark 78 engines. Caution must be taken when replacement of these gears is made because of variation in the gear ratio. Please check serial numbers listed below befor any replacements are made. 14: 27 Ratio, Serial 1145479 to 1145537 incl. & 1145583 to
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