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Old 12-07-2014, 01:29 PM   #7
rotorwrench
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Join Date: Jun 2010
Location: San Antonio, Texas
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Default Re: What Does This Overdrive Tranny Fit?

The arms are wrong for a Mercury. OEM Mercury arms are riveted on. I'd have to see the input shaft to see whether it is a 1 3/8"-10-spline or a 1"-10-spline. 1 3/8" could be Merc or F1. The Arms could have been changed. the Lock out switch is 50/51. The early ones were actuated by the lock out rod and the later ones by a ball bearing seated in a taper on the lock out rod.
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